REMARK 4 - 999

Overview

REMARKs following the refinement remark consist of free text annotation, predefined boilerplate remarks, and token: value pair styled templates. PDB is beginning to organize the most often used remarks, and assign numbers and topics to them.

Presented here is the scheme being followed in the remark section of PDB files. The PDB expects to continue to adopt standard text or tables for certain remarks, as details are worked out.

Record Format and Details

* Non-standard remark annotations, or those with no clearly-defined topic or assigned remark number, appear with remark number 6 or greater, but less than remark number 100.

* Note that A, B, N, X, Y, and Z are used to represent variables in the following examples.

* As with all other remarks, the first line of each remark is empty and is used as a spacer.

REMARK 4, Format

Remark 4 is mandatory in entry if released after April 15, 1996.
In order to properly annotate the entries, REMARK 4 will now refer to the format as described in Contents Guide version 2.2.

Template

REMARK   4
REMARK   4 XXXX COMPLIES WITH FORMAT V. 2.2, 16-DEC-1996


XXXX refers to the ID code of the entry.
N.M refers to the version number.
DD-MMM-YYYY refers to the release date of that version of the format. DD is a number 01 through 31, MMM is a 3 letter abbreviation for the month, and YYYY is the year.

Example

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REMARK   4
REMARK   4 1ABC COMPLIES WITH FORMAT V. 2.1, 25-OCT-1996

REMARK 5, Warning

Remark 5 repeats information presented on the CAVEAT record, which warns of severe errors in an entry. It also presents depositors' remarks of a cautionary nature, such as noting regions of poorly defined density.

Template

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REMARK   5
REMARK   5 WARNING
REMARK   5 XXXX: FREE TEXT GOES HERE.

XXXX refers to the ID code of the entry.

Example

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REMARK   5
REMARK   5 WARNING
REMARK   5 1ABC: THE CRYSTAL TRANSFORMATION IS IN ERROR BUT IS
REMARK   5 UNCORRECTABLE AT THIS TIME.

REMARK 6 - 99, not assigned

Non-standard remark annotations, or those with no clearly defined topic or assigned remark number appear with remark number 6 or greater, but less than remark number 100.

REMARK 100 - 199, Nucleic acids

These remarks are used in nucleic acid structures processed by the Nucleic Acid Database.

Template

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REMARK 100
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY THE NUCLEIC ACID DATABASE
REMARK 100 ON DD-MMM-YYYY.
REMARK 100 THE NDB ID CODE IS NNNNNN.

For modified residues

Remark 101 is mandatory if substituted nucleic acid residues exit.

Template

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REMARK 101
REMARK 101 RESIDUE   X Y   N HAS XXX    BONDED TO AB.
REMARK 101 RESIDUE   X Y   N HAS XXX    BONDED TO AB.

X is the modified residue name, Y is the chain identifier, N is the sequence number, XXX is the name of the modifier, A is the atom name and B the sequence number of the atom carrying the modifier.

Example

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REMARK 101
REMARK 101 RESIDUE   G A   4 HAS CH3    BONDED TO O6.
REMARK 101 RESIDUE   G B  16 HAS CH3    BONDED TO O6.

For base mispairings

Remark 102 is mandatory if mispaired bases exist and Watson-Crick H-bonding is present.

Template

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REMARK 102
REMARK 102 BASES   A B  NN AND   X Y  ZZ ARE MISPAIRED.
REMARK 102 BASES   A B  NN AND   X Y  ZZ ARE MISPAIRED.
REMARK 102 ALL OTHER HYDROGEN BONDS BETWEEN BASE PAIRS IN THIS ENTRY
REMARK 102 FOLLOW THE CONVENTIONAL WATSON-CRICK HYDROGEN BONDING
REMARK 102 PATTERN AND THEY HAVE NOT BEEN PRESENTED ON *CONECT*
REMARK 102 RECORDS IN THIS ENTRY.

A is the residue name, B the chain identifier, and NN the sequence number of first base, X is the residue name, Y the chain id, and ZZ the sequence number of the second base.

Example

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REMARK 102
REMARK 102 BASES   G A   4 AND   A B  21 ARE MISPAIRED.
REMARK 102 BASES   A A   9 AND   G B  16 ARE MISPAIRED.
REMARK 102 ALL OTHER HYDROGEN BONDS BETWEEN BASE PAIRS IN THIS ENTRY
REMARK 102 FOLLOW THE CONVENTIONAL WATSON-CRICK HYDROGEN BONDING
REMARK 102 PATTERN AND THEY HAVE NOT BEEN PRESENTED ON *CONECT*
REMARK 102 RECORDS IN THIS ENTRY.

For structures containing inosine

Inosine is treated like a standard residue, however, entries containing inosine also include remarks 103 and 104.

Remark 103 is mandatory if non-Watson-Crick H-bonding is present for specific interactions.

Template

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REMARK 103
REMARK 103 THERE ARE NON-WATSON-CRICK HYDROGEN BONDS BETWEEN THE
REMARK 103 FOLLOWING ATOMS:
REMARK 103  AB   I X   N   AND  AB   Z X  NN
REMARK 103  AB   I X   N   AND  AB   Z X  NN
REMARK 103 ALL OTHER HYDROGEN BONDS BETWEEN BASE PAIRS IN THIS ENTRY
REMARK 103 FOLLOW THE CONVENTIONAL WATSON-CRICK HYDROGEN BONDING
REMARK 103 PATTERN AND THEY HAVE NOT BEEN PRESENTED ON *CONECT*
REMARK 103 RECORDS IN THIS ENTRY.

AB is the atom name, I the residue name inosine, X the chain identifier, and N the sequence number of inosine, and AB is the atom name, Z the residue name, X the chain identifier, and NN the sequence number of the base which is paired with inosine.

Remark 104 is mandatory if inosine exists.

Template

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REMARK 104
REMARK 104 RESIDUE I X   N IS INOSINE.
REMARK 104 RESIDUE I X   N IS INOSINE.

X is the chain identifier and N the sequence number.

Example

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REMARK 103
REMARK 103 THERE ARE NON-WATSON-CRICK HYDROGEN BONDS BETWEEN THE
REMARK 103 FOLLOWING ATOMS:
REMARK 103  N1   I A   1   AND  N3   C B  16
REMARK 103  O6   I A   1   AND  N4   C B  16
REMARK 103  N1   I A   3   AND  N3   C B  14
REMARK 103  O6   I A   3   AND  N4   C B  14
REMARK 103 ALL OTHER HYDROGEN BONDS BETWEEN BASE PAIRS IN THIS ENTRY
REMARK 103 FOLLOW THE CONVENTIONAL WATSON-CRICK HYDROGEN BONDING
REMARK 103 PATTERN AND THEY HAVE NOT BEEN PRESENTED ON CONECT
REMARK 103 RECORDS IN THIS ENTRY.
REMARK 104
REMARK 104 RESIDUE I A   1 IS INOSINE.
REMARK 104 RESIDUE I A   3 IS INOSINE.

For nucleic acid entries

Remark 105 is mandatory if nucleic acids exist in an entry.

Template

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REMARK 105
REMARK 105 THE PROTEIN DATA BANK HAS ADOPTED THE SACCHARIDE CHEMISTS
REMARK 105 NOMENCLATURE FOR ATOMS OF THE DEOXYRIBOSE/RIBOSE MOIETY
REMARK 105 RATHER THAN THAT OF THE NUCLEOSIDE CHEMISTS.  THE RING
REMARK 105 OXYGEN ATOM IS LABELLED O4* INSTEAD OF O1*.

For non-mismatched structures

Remark 106 is mandatory if hydrogen bonding is Watson-Crick.

Template

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REMARK 106
REMARK 106 THE HYDROGEN BONDS BETWEEN BASE PAIRS IN THIS ENTRY FOLLOW
REMARK 106 THE CONVENTIONAL WATSON-CRICK HYDROGEN BONDING PATTERN.
REMARK 106 THEY HAVE NOT BEEN PRESENTED ON *CONECT* RECORDS IN THIS
REMARK 106 ENTRY.

REMARK 200-250, Experimental Details

Remarks in this range present the data collection details for the data which resulted in the refinement statistics of REMARK 3. They provide information on the structure determination experiment, which may have been done by diffraction, NMR, theoretical modelling, or some other technique.
The "NULL" value will be used if the data for a token is not supplied by the depositor.

REMARK 200, X-ray Diffraction Experimental Details

To be used for single crystal, fiber, or polycrystalline X-ray diffraction experiments.
Remark 200 is mandatory if x-ray.

Template

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REMARK 200
REMARK 200 EXPERIMENTAL DETAILS
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION
REMARK 200  DATE OF DATA COLLECTION        :
REMARK 200  TEMPERATURE           (KELVIN) :
REMARK 200  PH                             :
REMARK 200  NUMBER OF CRYSTALS USED        :
REMARK 200
REMARK 200  SYNCHROTRON              (Y/N) :
REMARK 200  RADIATION SOURCE               :
REMARK 200  BEAMLINE                       :
REMARK 200  X-RAY GENERATOR MODEL          :
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) :
REMARK 200  WAVELENGTH OR RANGE        (A) :
REMARK 200  MONOCHROMATOR                  :
REMARK 200  OPTICS                         :
REMARK 200
REMARK 200  DETECTOR TYPE                  :
REMARK 200  DETECTOR MANUFACTURER          :
REMARK 200  INTENSITY-INTEGRATION SOFTWARE :
REMARK 200  DATA SCALING SOFTWARE          :
REMARK 200
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   :
REMARK 200  RESOLUTION RANGE HIGH      (A) :
REMARK 200  RESOLUTION RANGE LOW       (A) :
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) :
REMARK 200
REMARK 200 OVERALL.
REMARK 200  COMPLETENESS FOR RANGE     (%) :
REMARK 200  DATA REDUNDANCY                :
REMARK 200  R MERGE                    (I) :
REMARK 200  R SYM                      (I) :
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  :
REMARK 200
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) :
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) :
REMARK 200  COMPLETENESS FOR SHELL     (%) :
REMARK 200  DATA REDUNDANCY IN SHELL       :
REMARK 200  R MERGE FOR SHELL          (I) :
REMARK 200  R SYM FOR SHELL            (I) :
REMARK 200  <I/SIGMA(I)> FOR SHELL         :
REMARK 200
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE:
REMARK 200 SOFTWARE USED:
REMARK 200 STARTING MODEL:
REMARK 200
REMARK 200 REMARK:

Remark 205, Fiber Diffraction, Fiber Sample Experiment Details

Remark 205 is mandatory if fiber diffraction - non-crystalline sample.

Template

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REMARK 205
REMARK 205 THESE COORDINATES WERE GENERATED FROM FIBER DIFFRACTION
REMARK 205 DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1
REMARK 205 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES OF THESE
REMARK 205 RECORDS ARE MEANINGLESS.

Remarks 210 and 215, NMR Experiment Details

Remark 210 is mandatory if NMR.

Template

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REMARK 210
REMARK 210 EXPERIMENTAL DETAILS
REMARK 210  EXPERIMENT TYPE                : NMR
REMARK 210  TEMPERATURE           (KELVIN) :
REMARK 210  PH                             :
REMARK 210
REMARK 210  NMR EXPERIMENTS CONDUCTED      :
REMARK 210  SPECTROMETER FIELD STRENGTH    :
REMARK 210  SPECTROMETER MODEL             :
REMARK 210  SPECTROMETER MANUFACTURER      :
REMARK 210
REMARK 210  STRUCTURE DETERMINATION.
REMARK 210   SOFTWARE USED                 :
REMARK 210   METHOD USED                   :
REMARK 210
REMARK 210 CONFORMERS, NUMBER CALCULATED   :
REMARK 210 CONFORMERS, NUMBER SUBMITTED    :
REMARK 210 CONFORMERS, SELECTION CRITERIA  :
REMARK 210
REMARK 210 REMARK:

Remark 215 is mandatory if NMR

Template

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REMARK 215
REMARK 215 NMR STUDY
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON
REMARK 215 THESE RECORDS ARE MEANINGLESS.


New in vs. 2.2: Because we have received our first structure solved by solid state NMR, we have added a new standard remark, number 217, which will appear in all solid state NMR entries.
REMARK 217
REMARK 217 SOLID STATE NMR STUDY
REMARK 217 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLID
REMARK 217 STATE NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT
REMARK 217 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON
REMARK 217 THESE RECORDS ARE MEANINGLESS.

Remarks 220 and 225, Theoretical Modelling Experiment Details

Remark 220 is mandatory if theoretical model.

Template

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REMARK 220
REMARK 220 EXPERIMENTAL DETAILS
REMARK 220  EXPERIMENT TYPE                : THEORETICAL MODELLING
REMARK 220
REMARK 220 REMARK:

Remark 225 is mandatory if theoretical model.

Template

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REMARK 225
REMARK 225 THEORETICAL MODEL
REMARK 225 THE COORDINATES IN THIS ENTRY REPRESENT A MODEL STRUCTURE.
REMARK 225 PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND
REMARK 225 SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE
REMARK 225 RECORDS ARE MEANINGLESS.

Remark 230, Neutron Diffraction Experiment Details

Remark 230 is mandatory if neutron diffraction study.

Template

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REMARK 230
REMARK 230 EXPERIMENTAL DETAILS
REMARK 230  EXPERIMENT TYPE                : NEUTRON DIFFRACTION
REMARK 230  DATE OF DATA COLLECTION        :
REMARK 230  TEMPERATURE           (KELVIN) :
REMARK 230  PH                             :
REMARK 230  NUMBER OF CRYSTALS USED        :
REMARK 230
REMARK 230  NEUTRON SOURCE                 :
REMARK 230  BEAMLINE                       :
REMARK 230  WAVELENGTH OR RANGE        (A) :
REMARK 230  MONOCHROMATOR                  :
REMARK 230  OPTICS                         :
REMARK 230
REMARK 230  DETECTOR TYPE                  :
REMARK 230  DETECTOR MANUFACTURER          :
REMARK 230  INTENSITY-INTEGRATION SOFTWARE :
REMARK 230  DATA SCALING SOFTWARE          :
REMARK 230
REMARK 230  NUMBER OF UNIQUE REFLECTIONS   :
REMARK 230  RESOLUTION RANGE HIGH      (A) :
REMARK 230  RESOLUTION RANGE LOW       (A) :
REMARK 230  REJECTION CRITERIA  (SIGMA(I)) :
REMARK 230
REMARK 230 OVERALL.
REMARK 230  COMPLETENESS FOR RANGE     (%) :
REMARK 230  DATA REDUNDANCY                :
REMARK 230  R MERGE                    (I) :
REMARK 230  R SYM                      (I) :
REMARK 230  <I/SIGMA(I)> FOR THE DATA SET  :
REMARK 230
REMARK 230 IN THE HIGHEST RESOLUTION SHELL.
REMARK 230  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) :
REMARK 230  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) :
REMARK 230  COMPLETENESS FOR SHELL     (%) :
REMARK 230  DATA REDUNDANCY IN SHELL       :
REMARK 230  R MERGE FOR SHELL          (I) :
REMARK 230  R SYM FOR SHELL            (I) :
REMARK 230  <I/SIGMA(I)> FOR SHELL         :
REMARK 230
REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE:
REMARK 230 SOFTWARE USED :
REMARK 230 STARTING MODEL:
REMARK 230
REMARK 230 REMARK:

Remark 240, Electron Diffraction Experiment Details

Remark 240 is mandatory if electron diffraction study.

Template

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REMARK 240
REMARK 240 EXPERIMENTAL DETAILS
REMARK 240  EXPERIMENT TYPE                : ELECTRON DIFFRACTION
REMARK 240  DATE OF DATA COLLECTION        :
REMARK 240
REMARK 240 REMARK:

Remark 250, Other Type of Experiment Details

Remark specific to other kinds of studies, not listed above.
Remark 250 is mandatory if other than x-ray, NMR, theoretical model, neutron, or electron study.

Template

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REMARK 250
REMARK 250 EXPERIMENTAL DETAILS
REMARK 250  EXPERIMENT TYPE                :
REMARK 250  DATE OF DATA COLLECTION        :
REMARK 250
REMARK 250 REMARK:

REMARK 280, Crystal

Remark 280 presents information on the crystal. The solvent content and Matthews coefficient are provided for protein and polypeptide crystals. Crystallization conditions are free text.
Remark 280 is mandatory if single crystal study.

Template

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REMARK 280
REMARK 280 CRYSTAL
REMARK 280 SOLVENT CONTENT, VS   (%):
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA):
REMARK 280
REMARK 280 CRYSTALLIZATION CONDITIONS: FREE TEXT GOES HERE.

REMARK 285, CRYST1

Remark 285 presents information on the unit cell.

Template

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REMARK 285
REMARK 285 CRYST1
REMARK 285 FREE TEXT GOES HERE.

Example

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REMARK 285
REMARK 285 CRYST1
REMARK 285 TEXT TO EXPLAIN UNUSUAL UNIT-CELL DATA:  THE DATA WAS
REMARK 285 COLLECTED ON TWO-DIMENSIONAL CRYSTALS AND HENCE THE
REMARK 285 C-AXIS REPEAT DOES NOT CORRESPOND TO A REAL REPEAT, BUT
REMARK 285 INSTEAD REFERS TO THE SAMPLING THAT IS USED TO DESCRIBE
REMARK 285 THE CONTINUOUS TRANSFORM.  THE C VALUE OF 100.9 IS
REMARK 285 THEREFORE THE VALUE WHICH SHOULD BE USED IN
REMARK 285 INTERPRETING THE MEANING OF THE L INDEX.

REMARK 290, Crystallographic Symmetry

Remark 290 is mandatory for crystalline studies. The remark is generated by PDB.

Template

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REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21
REMARK 290
REMARK 290      SYMOP   SYMMETRY
REMARK 290     NNNMMM   OPERATOR
REMARK 290       1555   X,Y,Z
REMARK 290       2555   1/2-X,-Y,1/2+Z
REMARK 290       3555   -X,1/2+Y,1/2-Z
REMARK 290       4555   1/2+X,1/2-Y,-Z
REMARK 290
REMARK 290     WHERE NNN -> OPERATOR NUMBER
REMARK 290           MMM -> TRANSLATION VECTOR
REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY
REMARK 290 RELATED MOLECULES.
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       36.30027
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       59.50256
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       46.45545
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       59.50256
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       36.30027
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       46.45545
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000
REMARK 290
REMARK 290 REMARK:

Example

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REMARK 290
REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21
REMARK 290
REMARK 290      SYMOP   SYMMETRY
REMARK 290     NNNMMM   OPERATOR
REMARK 290       1555   X,Y,Z
REMARK 290       2555   1/2-X,-Y,1/2+Z
REMARK 290       3555   -X,1/2+Y,1/2-Z
REMARK 290       4555   1/2+X,1/2-Y,-Z
REMARK 290
REMARK 290     WHERE NNN -> OPERATOR NUMBER
REMARK 290           MMM -> TRANSLATION VECTOR
REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY
REMARK 290 RELATED MOLECULES.
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       36.30027
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       59.50256
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       46.45545
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       59.50256
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       36.30027
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       46.45545
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000
REMARK 290
REMARK 290 REMARK: NULL

REMARK 295, Non-Crystallographic Symmetry

Description of non-crystallographic symmetry. Mandatory when MTRIX records are present.

Template

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REMARK 295
REMARK 295 NON-CRYSTALLOGRAPHIC SYMMETRY
REMARK 295 THE TRANSFORMATIONS PRESENTED ON THE MTRIX RECORDS BELOW
REMARK 295 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG ATOMS
REMARK 295 IN THIS ENTRY.  APPLYING THE APPROPRIATE MTRIX
REMARK 295 TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL YIELD
REMARK 295 APPROXIMATE COORDINATES FOR THE RESIDUES LISTED SECOND.
REMARK 295 CHAIN IDENTIFIERS GIVEN AS "?" REFER TO CHAINS FOR WHICH
REMARK 295 ATOMS ARE NOT FOUND IN THIS ENTRY.
REMARK 295
REMARK 295               APPLIED TO          TRANSFORMED TO
REMARK 295   TRANSFORM CHAIN  RESIDUES       CHAIN  RESIDUES     RMSD
REMARK 295     SSS       ?    ? .. ?           ?    ? .. ?       ?
REMARK 295
REMARK 295    WHERE SSS -> COLUMNS 8-10 OF MTRIX RECORDS
REMARK 295
REMARK 295 REMARK:

Example

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REMARK 295
REMARK 295 NON-CRYSTALLOGRAPHIC SYMMETRY
REMARK 295 THE TRANSFORMATIONS PRESENTED ON THE MTRIX RECORDS BELOW
REMARK 295 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG ATOMS
REMARK 295 IN THIS ENTRY.  APPLYING THE APPROPRIATE MTRIX
REMARK 295 TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL YIELD
REMARK 295 APPROXIMATE COORDINATES FOR THE RESIDUES LISTED SECOND.
REMARK 295 CHAIN IDENTIFIERS GIVEN AS "?" REFER TO CHAINS FOR WHICH
REMARK 295 ATOMS ARE NOT FOUND IN THIS ENTRY.
REMARK 295
REMARK 295               APPLIED TO          TRANSFORMED TO
REMARK 295   TRANSFORM CHAIN  RESIDUES       CHAIN  RESIDUES     RMSD
REMARK 295     SSS
REMARK 295    M  1       A    1 .. 374         C    1 .. 374     0.010
REMARK 295    M  2       B    1 .. 374         D    1 .. 374     0.010
REMARK 295
REMARK 295    WHERE SSS -> COLUMNS 8-10 OF MTRIX RECORDS
REMARK 295
REMARK 295 REMARK:

REMARK 300, Biomolecule

Description of the biologically functional molecule (biomolecule) in free text.
Remark 300 is mandatory if Remark 350 is provided.

Template

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REMARK 300
REMARK 300 BIOMOLECULE
REMARK 300 FREE TEXT DESCRIPTION OF THE BIOLOGICALLY FUNCTIONAL
REMARK 300 MOLECULE.

Example

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REMARK 300
REMARK 300 BIOMOLECULE
REMARK 300 THE CATALYTIC SUBUNIT OF LIVER ALCOHOL DEHYDROGENASE FROM
REMARK 300 EQUUS CABALLUS IS A HOMO DIMER.

REMARK 350, Generating the Biomolecule

Remark 350 presents all transformations, both crystallographic and non-crystallographic, needed to generate the biomolecule. These transformations operate on the coordinates in the entry.
Remark 350 is mandatory if Remark 300 is provided.

Template

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REMARK 350
REMARK 350 GENERATING THE BIOMOLECULE
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.
REMARK 350
REMARK 350 APPLY THE FOLLOWING TO CHAINS: ?, ?...
REMARK 350   BIOMT1   N  N.NNNNNN  N.NNNNNN  N.NNNNNN        N.NNNNN
REMARK 350   BIOMT2   N  N.NNNNNN  N.NNNNNN  N.NNNNNN        N.NNNNN
REMARK 350   BIOMT3   N  N.NNNNNN  N.NNNNNN  N.NNNNNN        N.NNNNN

Example

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REMARK 350
REMARK 350 GENERATING THE BIOMOLECULE
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.
REMARK 350
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000       60.00000
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000     -120.00000
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000
REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, F
REMARK 350   BIOMT1   3  1.000000  0.000000  0.000000        0.00000
REMARK 350   BIOMT2   3  0.000000 -1.000000  0.000000       60.00000
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000
REMARK 350   BIOMT1   4 -1.000000  0.000000  0.000000        0.00000
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000     -120.00000
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000

REMARK 350
REMARK 350 GENERATING THE BIOMOLECULE
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.
REMARK 350
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G, H
REMARK 350 APPLY THE FOLLOWING TO CHAINS: I, J, K, L
REMARK 350   BIOMT1   1 -0.500000 -0.865983  0.000000        0.00000
REMARK 350   BIOMT2   1  0.866068 -0.500000  0.000000        0.00000
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000

REMARK 375, Special Position

Remark 375 specifies atoms that are known to lie in particular locations, related by the symmetry elements, at which objects may be placed if and only if they possess symmetry which coincides with that of the cell.

Template

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REMARK 375
REMARK 375 SPECIAL POSITION
REMARK 375 FREE TEXT GOES HERE.

Example

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REMARK 375
REMARK 375 SPECIAL POSITION
REMARK 375      HOH   301  LIES ON A SPECIAL POSITION.
REMARK 375      HOH    77  LIES ON A SPECIAL POSITION.

REMARK 375
REMARK 375 SPECIAL POSITION
REMARK 375 MG   MO4 A  10  LIES ON A SPECIAL POSITION.
REMARK 375      HOH A  13  LIES ON A SPECIAL POSITION.
REMARK 375      HOH A  28  LIES ON A SPECIAL POSITION.
REMARK 375      HOH A  36  LIES ON A SPECIAL POSITION.

REMARK 400, Compound

Further details on the macromolecular contents of the entry.

Template

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REMARK 400
REMARK 400 COMPOUND
REMARK 400 FREE TEXT GOES HERE.

REMARK 450, Source

Further details on the biological source of the macromolecular contents of the entry.

Template

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REMARK 450
REMARK 450 SOURCE
REMARK 450 FREE TEXT GOES HERE.

REMARK 460, Non-IUPAC Names

Remark 460 is mandatory when IUPAC-IUB rules are not strictly followed in naming side-chain atoms.

Template

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REMARK 460
REMARK 460 NON-IUPAC
REMARK 460 BY REQUEST OF THE DEPOSITOR, THE PROTEIN DATA BANK HAS NOT
REMARK 460 APPLIED THE IUPAC-IUB RECOMMENDATIONS REGARDING THE
REMARK 460 DESIGNATION OF BRANCHES 1 AND 2 OF SIDE-CHAIN ATOMS IN
REMARK 460 RESIDUES ARG, ASP, GLU, LEU, PHE, TYR, AND VAL TO THIS
REMARK 460 ENTRY.

REMARK 470, Missing Atom

Non-hydrogen atoms of standard residues which are missing from the coordinates are listed. Missing HETATMS are not listed here.

Template

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REMARK 470
REMARK 470 MISSING ATOM
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;
REMARK 470 I=INSERTION CODE):
REMARK 470   M RES CSSEQI  ATOMS

Example

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REMARK 470
REMARK 470 MISSING ATOM
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;
REMARK 470 I=INSERTION CODE):
REMARK 470   M RES CSSEQI  ATOMS
REMARK 470     ARG A 412    CG   CD   NE   CZ   NH1  NH2
REMARK 470     ARG A 456    CG   CD   NE   CZ   NH1  NH2
REMARK 470     GLU A 486    CG   CD   OE1  OE2
REMARK 470     GLU A 547    CG   CD   OE1  OE2
REMARK 470     GLU A 548    CG   CD   OE1  OE2
REMARK 470     LYS A 606    CG   CD   CE   NZ
REMARK 470     ARG B 456    CG   CD   NE   CZ   NH1  NH2
REMARK 470     ASP B 484    CG   OD1  OD2
REMARK 470     GLN B 485    CG   CD   OE1  NE2
REMARK 470     GLU B 486    CG   CD   OE1  OE2
REMARK 470     ARG B 490    CG   CD   NE   CZ   NH1  NH2
REMARK 470     GLU B 522    CG   CD   OE1  OE2
REMARK 470     ARG B 576    CG   CD   NE   CZ   NH1  NH2
REMARK 470     ASP B 599    CG   OD1  OD2

REMARK 500, Geometry and Stereochemistry

Further details on the stereochemistry of the structure. This remark is generated by PDB, but may also be provided by the depositor. Additional subtopics may be added as needed.

Template

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REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC:
REMARK 500
REMARK 500 FREE TEXT GOES HERE.

Example, close contacts (changed in vs. 2.2)

In response to recommendations from several depositors, we have updated our program which checks for close contacts. Because these are reported in remark 500, PDB has changed the free text field of REMARK 500 when it refers to close contacts.

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REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC: CLOSE CONTACTS
REMARK 500
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  SOME OF THESE MAY BE ATOMS
REMARK 500 LOCATED ON SPECIAL POSITIONS IN THE CELL.
REMARK 500
REMARK 500 DISTANCE CUTOFF: 2.2 ANGSTROMS
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS
REMARK 500
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE
REMARK 500   CB   LEU D    68  -  CE   LYS E    76     1656     2.10
REMARK 500   CB   THR D   173  -  O    HOH    1151     4455     1.73
REMARK 500   O    HOH    1151  -  CB   THR D   173     4566     1.73
REMARK 500   CZ   ARG D    64  -  O    HOH    1422     3656     1.75

REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT
REMARK 500
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.
REMARK 500
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE
REMARK 500   O    HOH     761  -  O    ARG      17              1.89
REMARK 500   O    HOH     806  -  N    ARG      88              1.46

Example, non-CIS, non-trans

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REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS
REMARK 500
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.
REMARK 500                                 MODEL     OMEGA
REMARK 500 VAL A  123    GLN A  124          0       221.48
REMARK 500 VAL B  123    GLN B  124          0       222.43

Example, chiral centers

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REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC: CHIRAL CENTERS
REMARK 500
REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL
REMARK 500 CENTER(S) (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).
REMARK 500
REMARK 500 STANDARD TABLE:
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,6X,A12)
REMARK 500
REMARK 500  M RES CSSEQI
REMARK 500  0 GLU     1       ALPHA-CARBON
REMARK 500  0 GLU     1       SIDE-CHAIN
REMARK 500  0 GLU     1       ALPHA-CARBON

Example, covalent bond angles

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REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES
REMARK 500
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE
REMARK 500 THAN 4*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).
REMARK 500
REMARK 500 STANDARD TABLE:
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(2X,A4,17X,F5.1)
REMARK 500
REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991
REMARK 500
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3
REMARK 500  0 ASP     3   C-1 -  N   -  CA  ANGL. DEV. =  21.7 DEGREES

Example, torsion angles

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REMARK 500
REMARK 500 GEOMETRY AND STEREOCHEMISTRY
REMARK 500 SUBTOPIC: TORSION ANGLES
REMARK 500
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).
REMARK 500
REMARK 500 STANDARD TABLE:
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)
REMARK 500
REMARK 500  M RES CSSEQI        PSI       PHI
REMARK 500  0 VAL    26     -174.85   -134.80
REMARK 500  0 MET    61       46.11   -176.53

REMARK 525, Solvent

Remarks specific to the solvent molecules of the entry.

Template

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REMARK 525
REMARK 525 SOLVENT
REMARK 525 FREE TEXT GOES HERE.

Example

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REMARK 525
REMARK 525 SOLVENT
REMARK 525 MANY OF THE WATER MOLECULES APPEAR TO BE ASSOCIATED WITH
REMARK 525 A SYMMETRY-RELATED MOLECULE.

REMARK 525
REMARK 525 SOLVENT
REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED
REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE
REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL
REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE
REMARK 525 NUMBER; I=INSERTION CODE):
REMARK 525
REMARK 525  M RES CSSEQI
REMARK 525  0 HOH    561      DISTANCE =  5.07 ANGSTROMS
REMARK 525  0 HOH    791      DISTANCE =  5.08 ANGSTROMS

REMARK 550, SEGID

Description of the segment identifiers used in ATOM/HETATM.

Template

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REMARK 550
REMARK 550 SEGID
REMARK 550 FREE TEXT GOES HERE.

Example

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REMARK 550
REMARK 550 SEGID
REMARK 550 RESIDUES 1-55, SEGID VH1 ARE THE HEAVY CHAIN, VARIABLE
REMARK 550 REGION 1.  RESIDUES 56-100, SEGID VH2 ARE THE HEAVY CHAIN,
REMARK 550 VARIABLE REGION 2,AND RESIDUES 101-150., SEGID VH3 ARE THE
REMARK 550 HEAVY CHAIN.

REMARK 600, Heterogen

Further details on the heterogens in the entry.

Template

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REMARK 600
REMARK 600 HETEROGEN
REMARK 600 FREE TEXT GOES HERE.

Example

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REMARK 600
REMARK 600 HETEROGEN
REMARK 600 HET GROUP TRIVIAL NAME: PHOSPHOTYROSINE
REMARK 600 EMPIRICAL FORMULA     : C9 O6 N P
REMARK 600
REMARK 600                O
REMARK 600               /                           _
REMARK 600          O = C           C = C           O
REMARK 600               \         /     \         /   _
REMARK 600                C - C - C       C - O - P - O
REMARK 600               /         \\   //        \\
REMARK 600              N           C - C           O
REMARK 600
REMARK 600
REMARK 600 NUMBER OF ATOMS IN GROUP: 17 (EXCLUDING HYDROGENS)

REMARK 650, Helix

Further details on the helix contents of the entry.

Template

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REMARK 650
REMARK 650 HELIX
REMARK 650 FREE TEXT GOES HERE.

Example

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REMARK 650
REMARK 650 HELIX
REMARK 650 DETERMINATION METHOD: KDSSP
REMARK 650 THE MAJOR DOMAINS ARE: "N" FOR N-TERMINAL DOMAIN, "B" FOR
REMARK 650 BETA-BARREL DOMAIN, AND "C" FOR C-TERMINAL DOMAIN. "F"
REMARK 650 REFERS TO THE ACTIVE SITE FLAP.  ALPHA HELICES ARE NAMED
REMARK 650 WITH TWO CHARACTERS, THE FIRST REFERRING TO THE DOMAIN
REMARK 650 IN WHICH THEY OCCUR.

REMARK 700, Sheet

Further details on the sheet contents of the structure. Several standard templates are included here.

Template

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REMARK 700
REMARK 700 SHEET
REMARK 700 FREE TEXT GOES HERE.

REMARK 700
REMARK 700 SHEET
REMARK 700 DETERMINATION METHOD:
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED.  IN
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,
REMARK 700 TWO SHEETS ARE DEFINED.  STRANDS N1, N2, N3 AND N4 OF SHEET
REMARK 700 XXX AND XXX ARE IDENTICAL.

REMARK 700
REMARK 700 SHEET
REMARK 700 DETERMINATION METHOD:
REMARK 700 THE SHEET PRESENTED AS XXX ON SHEET RECORDS BELOW IS
REMARK 700 ACTUALLY AN N-STRANDED BETA-BARREL.  THIS IS
REMARK 700 REPRESENTED BY A N+1-STRANDED SHEET IN WHICH THE FIRST AND
REMARK 700 LAST STRANDS ARE IDENTICAL.

REMARK 700
REMARK 700 SHEET
REMARK 700 DETERMINATION METHOD:
REMARK 700 THERE ARE SEVERAL BIFURCATED SHEETS IN THIS STRUCTURE.
REMARK 700 EACH IS REPRESENTED BY TWO SHEETS WHICH HAVE ONE OR MORE
REMARK 700 IDENTICAL STRANDS.
REMARK 700 SHEETS XXX AND XXX REPRESENT ONE BIFURCATED SHEET.
REMARK 700 SHEETS XXX AND XXX REPRESENT ONE BIFURCATED SHEET.

N1, N2, N3 and N4 represent strand numbers, and XXX represents sheet identifiers.

When the remark for several bifurcated sheets is used, its last line is repeated for the appropriate number of bifurcated sheets, as shown in the last template above.

Example

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REMARK 700
REMARK 700 SHEET
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED.  IN
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,
REMARK 700 TWO SHEETS are defined.  STRANDS 3, 4, AND 5
REMARK 700 OF SHEET *B2A* AND *B2B* ARE IDENTICAL.  STRANDS 3, 4, AND
REMARK 700 5 OF SHEET *B2C* AND *B2D* ARE IDENTICAL.

REMARK 700
REMARK 700 SHEET
REMARK 700 STRANDS 1 TO 4 OF THE BETA-SHEET HAVE GREEK-KEY TOPOLOGY.
REMARK 700 THE SHEET FORMS A FIVE-STRANDED BETA-BARREL WITH BULGES IN
REMARK 700 STRANDS 3 AND 5.  IN ORDER TO REPRESENT THIS FEATURE IN THE
REMARK 700 SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.

REMARK 700
REMARK 700 SHEET
REMARK 700 THE SHEET PRESENTED AS S5 ON SHEET RECORDS BELOW IS
REMARK 700 ACTUALLY A 6-STRANDED BETA-BARREL.  THIS IS
REMARK 700 REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND
REMARK 700 LAST STRANDS ARE IDENTICAL.

REMARK 750, Turn

Further details on the turns.

Template

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REMARK 750
REMARK 750 TURN
REMARK 750 FREE TEXT GOES HERE.

Example

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REMARK 750
REMARK 750 TURN
REMARK 750  TURN_ID: T4, TYPE I (ONE OR MORE OF THE PHI, PSI ANGLES
REMARK 750  DEVIATE BY MORE THAN PLUS,MINUS 45 DEGREES FROM THE IDEAL
REMARK 750  VALUES USED BY WILMOT & THORNTON(1989)).
REMARK 750
REMARK 750  TURN_ID: T10, TYPE I (ONE OR MORE OF THE PHI, PSI ANGLES
REMARK 750  DEVIATE BY MORE THAN PLUS,MINUS 45 DEGREES FROM THE IDEAL
REMARK 750  VALUES USED BY WILMOT & THORNTON(1989)).
REMARK 750
REMARK 750  TURN_ID: T16, TYPE VIII (ONE OR MORE OF THE PHI, PSI
REMARK 750  ANGLES DEVIATE BY MORE THAN PLUS,MINUS 45 DEGREES FROM
REMARK 750  THE IDEAL VALUES USED BY WILMOT & THORNTON(1989)).

REMARK 800, Site

Further details on the site contents of the entry.
Remark 800 is mandatory if site records exist.

Template

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REMARK 800
REMARK 800 SITE
REMARK 800 SITE_IDENTIFIER: FREE TEXT GOES HERE.
REMARK 800 SITE_DESCRIPTION: FREE TEXT GOES HERE.

Example

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REMARK 800
REMARK 800 SITE
REMARK 800 SITE_IDENTIFIER: RCA
REMARK 800 SITE_DESCRIPTION: DESIGNATED RECOGNITION REGION IN PRIMARY
REMARK 800 REFERENCE.  PROPOSED TO AFFECT SUBSTRATE SPECIFICITY.
REMARK 800
REMARK 800 SITE_IDENTIFIER: RCB
REMARK 800 SITE_DESCRIPTION: DESIGNATED RECOGNITION REGION IN PRIMARY
REMARK 800  REFERENCE.  PROPOSED TO AFFECT SUBSTRATE SPECIFICITY.

REMARK 850, Revisions to Deposited Coordinates, Before Release

Template

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REMARK 850
REMARK 850 CORRECTION BEFORE RELEASE
REMARK 850 ORIGINAL DEPOSITION REVISED PRIOR TO RELEASE
REMARK 850 DATE REVISED: DD-MMM-YYYY  TRACKING NUMBER: T?

DD is a number 01 through 31, MMM is a 3 letter abbreviation for the month, and YYYY is the year.

Example

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REMARK 850
REMARK 850 CORRECTION BEFORE RELEASE
REMARK 850 ORIGINAL DEPOSITION REVISED PRIOR TO RELEASE
REMARK 850 DATE REVISED: 13-FEB-1996  TRACKING NUMBER: T7770
REMARK 850 DATE REVISED: 10-APR-1996  TRACKING NUMBER: T8125

REMARK 860, Correction, After Release

Further details on corrections that have been made to the PDB entry, as referred to in the REVDAT record.

Template

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REMARK 860
REMARK 860 CORRECTION AFTER RELEASE
REMARK 860 FREE TEXT GOES HERE.

Example

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REMARK 860
REMARK 860 CORRECTION
REMARK 860 CORRECT RESIDUE IDENTIFICATION ON SITE RECORDS.  ADD
REMARK 860 RESIDUE TO SITE RECORDS.  15-JUL-81.
REMARK 860
REMARK 860 CORRECT DATES IN REMARKS 7 AND 16. 15-JAN-82.
REMARK 860
REMARK 860 CORRECT ATOM NAME FOR ATOM 6 FROM CG2 TO CG1.  07-MAR-83.
REMARK 860
REMARK 860 CHANGE RESIDUE 122 FROM ASN TO ASP.  ADD REFERENCE.
REMARK 860  12-MAY-83.
REMARK 860
REMARK 860 INSERT REVDAT RECORDS. 30-SEP-83.
REMARK 860
REMARK 860 CORRECT CODEN FOR REFERENCE 1.  27-OCT-83.

REMARK 900, Related Entries

This remark gives ID codes of PDB files related to the entry. These may include coordinate entries deposited as a related set, the structure factor or NMR restraint file related to the entry, or the file containing the biologically functional molecule ("biomolecule") generated by the PDB from symmetry records.

Template

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REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 FREE TEXT GOES HERE.

Example

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REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 THE BIOMOLECULE RELATED TO THIS ENTRY HAS BEEN GENERATED
REMARK 900 AND IS AVAILABLE AS PDB FILE BIO1ABC.PDB

REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 THE STRUCTURE FACTORS FOR THIS EXPERIMENT ARE AVAILABLE AS
REMARK 900 PDB FILE R1ABCSF.ENT

REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 THE LIST OF EXPERIMENTAL RESTRAINTS IS AVAILABLE AS PDB
REMARK 900 FILE 1ABC.MR

REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 THE BIOMOLECULE IS AVAILABLE AS PDB FILE BIO1ABC.PDB

REMARK 999 Sequence

Further details on the sequence.

For cases where there are gaps in the structure as reflected in missing ATOM records missing N-terminus and C-terminus residues are delineated in REMARK 999 records, whereas internal structural gaps are represented in SEQADV records. Several cases must be considered when evaluating these REMARK 999 records:

1. The missing N-terminus atoms are not found in the ATOM record as they represent precursor sequence and are not found in the mature protein.
2. The missing N-terminus residues were not found in the density map. Although PDB will attempt to flag these as SEQADV records, we cannot guarantee that they will always be handled uniformly. The primary reason for this inconsistency is that in a number of cases, neither PDB nor the depositors, are certain where chains start and end.

Template

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REMARK 999
REMARK 999 SEQUENCE
REMARK 999 FREE TEXT GOES HERE.

Example

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REMARK 999
REMARK 999 SEQUENCE
REMARK 999 1ARL       SWS     P00730       1 -   110 NOT IN ATOMS LIST
REMARK 999 1ARL       SWS     P00730     418 -   419 NOT IN ATOMS LIST
REMARK 999
REMARK 999  REFERENCE
REMARK 999   REFERENCE: PETRA, ET AL., (1971) BIOCHEMISTRY 10, PP
REMARK 999   4023-4025.
REMARK 999
REMARK 999   SHOHAM, G., NECHUSHTAI, R., STEPPUN, J.,NELSON, H.,
REMARK 999   NELSON N., UNPUBLISHED RESULTS.
REMARK 999
REMARK 999   LE HUEROU,I., GUILLOTEAU P., TOULLEC, R., PUIGSERVER, A.,
REMARK 999   WICKER,C., (1991) BIOCHEMICAL, BIOPHYSICAL RESEARCH
REMARK 999   COMM., 175, PP 110 - 116.
REMARK 999
REMARK 999 THE SEQUENCE USED IS THAT PROVIDED BY THE CDNA, WHICH
REMARK 999 CORRECTS SEVERAL ASP/ASN AND GLU/GLN MISASSIGNMENTS.

REMARK 999
REMARK 999 SEQUENCE
REMARK 999 MET A    1  - MET A    1  - MISSING FROM SWS    P10599
REMARK 999 1CQG  B    SWS     P27695       1 -    57 NOT IN ATOMS LIST
REMARK 999 1CQG  B    SWS     P27695      71 -   317 NOT IN ATOMS LIST
REMARK 999
REMARK 999 THR AT POSITION 74 WAS FOUND BY WOLMAN ET AL., JOURNAL OF
REMARK 999 BIOCHEMISTRY 263, 15506 (1988).