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Database: PDB
Entry: 1KNE
LinkDB: 1KNE
Original site: 1KNE 
HEADER    STRUCTURAL PROTEIN                      18-DEC-01   1KNE              
TITLE     CHROMO DOMAIN OF HP1 COMPLEXED WITH HISTONE H3 TAIL CONTAINING        
TITLE    2 TRIMETHYLLYSINE 9                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HETEROCHROMATIN PROTEIN 1;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 17-76;                                            
COMPND   5 SYNONYM: HP1, NONHISTONE CHROMOSOMAL PROTEIN C1A9 ANTIGEN;           
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: TRIMETHYLATED HISTONE H3;                                  
COMPND  10 CHAIN: P;                                                            
COMPND  11 FRAGMENT: RESIDUES 1-16;                                             
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER;                        
SOURCE   3 ORGANISM_COMMON: FRUIT FLY;                                          
SOURCE   4 ORGANISM_TAXID: 7227;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS;                            
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET11A;                                   
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 SYNTHETIC: YES;                                                      
SOURCE  12 OTHER_DETAILS: SYNTHETIC PEPTIDE CORRESPONDING TO RESIDUES 1-16 OF   
SOURCE  13 HISTONE H3. K9 TRIMETHYLATED. P16Y MUTATION                          
KEYWDS    CHROMO, HP1, HISTONE, TRIMETHYLLYSINE, METHYLLYSINE, H3, CHROMATIN,   
KEYWDS   2 STRUCTURAL PROTEIN                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.A.JACOBS,S.KHORASANIZADEH                                           
REVDAT   4   27-OCT-21 1KNE    1       SEQADV LINK                              
REVDAT   3   24-FEB-09 1KNE    1       VERSN                                    
REVDAT   2   18-OCT-05 1KNE    1       TITLE  JRNL   REMARK MODRES              
REVDAT   2 2                   1       MASTER                                   
REVDAT   1   20-MAR-02 1KNE    0                                                
JRNL        AUTH   S.A.JACOBS,S.KHORASANIZADEH                                  
JRNL        TITL   STRUCTURE OF HP1 CHROMODOMAIN BOUND TO A LYSINE 9-METHYLATED 
JRNL        TITL 2 HISTONE H3 TAIL.                                             
JRNL        REF    SCIENCE                       V. 295  2080 2002              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   11859155                                                     
JRNL        DOI    10.1126/SCIENCE.1069473                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.62                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 4071                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.246                           
REMARK   3   FREE R VALUE                     : 0.267                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.200                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 415                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.013                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 564                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3320                       
REMARK   3   BIN FREE R VALUE                    : 0.3650                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.60                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 67                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.045                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 500                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 71                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 30.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.38000                                              
REMARK   3    B22 (A**2) : -1.46000                                             
REMARK   3    B33 (A**2) : -0.92000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.32                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.34                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.41                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.40                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.770                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.690 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.780 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.480 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.880 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1KNE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JAN-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015140.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-OCT-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.1                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : BRUKER SMART 6000                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, TRUNCATE                    
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (TRUNCATE)                    
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 4071                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 9.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.08300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 47.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.29700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 15.10                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, MES, PH 6.1, VAPOR     
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 283K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       37.97350            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       37.97350            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       16.87250            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       38.47150            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       16.87250            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       38.47150            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       37.97350            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       16.87250            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       38.47150            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       37.97350            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       16.87250            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       38.47150            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
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 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1040 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 4060 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -5.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     8                                                      
REMARK 465     LYS A     9                                                      
REMARK 465     LYS A    10                                                      
REMARK 465     HIS A    11                                                      
REMARK 465     HIS A    12                                                      
REMARK 465     HIS A    13                                                      
REMARK 465     HIS A    14                                                      
REMARK 465     HIS A    15                                                      
REMARK 465     HIS A    16                                                      
REMARK 465     ALA A    17                                                      
REMARK 465     GLU A    18                                                      
REMARK 465     GLU A    19                                                      
REMARK 465     GLU A    20                                                      
REMARK 465     GLU A    21                                                      
REMARK 465     GLU A    22                                                      
REMARK 465     LYS A    75                                                      
REMARK 465     ASP A    76                                                      
REMARK 465     ALA P     1                                                      
REMARK 465     ARG P     2                                                      
REMARK 465     THR P     3                                                      
REMARK 465     LYS P     4                                                      
REMARK 465     THR P    11                                                      
REMARK 465     GLY P    12                                                      
REMARK 465     GLY P    13                                                      
REMARK 465     LYS P    14                                                      
REMARK 465     ALA P    15                                                      
REMARK 465     TYR P    16                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ASN A   59   CG   OD1  ND2                                       
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.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
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   O    HOH A   125     O    HOH A   125     3555     2.04            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    CYS A  63       68.82   -155.17                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1KNA   RELATED DB: PDB                                   
DBREF  1KNE A    8    76  UNP    P05205   HP1_DROME       17     76             
DBREF  1KNE P    1    16  UNP    P02299   H3_DROME         1     16             
SEQADV 1KNE MET A    8  UNP  P05205            8 ENGINEERED MUTATION            
SEQADV 1KNE LYS A    9  UNP  P05205            9 ENGINEERED MUTATION            
SEQADV 1KNE LYS A   10  UNP  P05205           10 ENGINEERED MUTATION            
SEQADV 1KNE HIS A   11  UNP  P05205           11 EXPRESSION TAG                 
SEQADV 1KNE HIS A   12  UNP  P05205           12 EXPRESSION TAG                 
SEQADV 1KNE HIS A   13  UNP  P05205           13 EXPRESSION TAG                 
SEQADV 1KNE HIS A   14  UNP  P05205           14 EXPRESSION TAG                 
SEQADV 1KNE HIS A   15  UNP  P05205           15 EXPRESSION TAG                 
SEQADV 1KNE HIS A   16  UNP  P05205           16 EXPRESSION TAG                 
SEQADV 1KNE MET A   38  UNP  P05205    LYS    38 ENGINEERED MUTATION            
SEQADV 1KNE M3L P    9  UNP  P02299    LYS     9 MODIFIED RESIDUE               
SEQADV 1KNE TYR P   16  UNP  P02299    PRO    16 ENGINEERED MUTATION            
SEQRES   1 A   69  MET LYS LYS HIS HIS HIS HIS HIS HIS ALA GLU GLU GLU          
SEQRES   2 A   69  GLU GLU GLU TYR ALA VAL GLU LYS ILE ILE ASP ARG ARG          
SEQRES   3 A   69  VAL ARG LYS GLY MET VAL GLU TYR TYR LEU LYS TRP LYS          
SEQRES   4 A   69  GLY TYR PRO GLU THR GLU ASN THR TRP GLU PRO GLU ASN          
SEQRES   5 A   69  ASN LEU ASP CYS GLN ASP LEU ILE GLN GLN TYR GLU ALA          
SEQRES   6 A   69  SER ARG LYS ASP                                              
SEQRES   1 P   16  ALA ARG THR LYS GLN THR ALA ARG M3L SER THR GLY GLY          
SEQRES   2 P   16  LYS ALA TYR                                                  
MODRES 1KNE M3L P    9  LYS  N-TRIMETHYLLYSINE                                  
HET    M3L  P   9      12                                                       
HETNAM     M3L N-TRIMETHYLLYSINE                                                
FORMUL   2  M3L    C9 H21 N2 O2 1+                                              
FORMUL   3  HOH   *71(H2 O)                                                     
HELIX    1   1 PRO A   49  ASN A   53  5                                   5    
HELIX    2   2 CYS A   63  GLU A   71  1                                   9    
SHEET    1   A 5 THR A  54  PRO A  57  0                                        
SHEET    2   A 5 MET A  38  TRP A  45 -1  N  TYR A  41   O  GLU A  56           
SHEET    3   A 5 TYR A  24  ARG A  35 -1  N  ARG A  33   O  GLU A  40           
SHEET    4   A 5 THR P   6  ALA P   7 -1  O  ALA P   7   N  TYR A  24           
SHEET    5   A 5 LEU A  61  ASP A  62 -1  N  ASP A  62   O  THR P   6           
LINK         C   ARG P   8                 N   M3L P   9     1555   1555  1.33  
LINK         C   M3L P   9                 N   SER P  10     1555   1555  1.33  
CRYST1   33.745   76.943   75.947  90.00  90.00  90.00 C 2 2 21      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.029634 -0.000001 -0.000001        0.00000                         
SCALE2      0.000000  0.012997  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013167        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system