HEADER    HISTONE                                 18-MAR-98   1A7W              
TITLE     CRYSTAL STRUCTURE OF THE HISTONE HMFB FROM METHANOTHERMUS FERVIDUS    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HISTONE HMFB;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: METHANOTHERMUS FERVIDUS;                        
SOURCE   3 ORGANISM_TAXID: 2180;                                                
SOURCE   4 GENE: HMFB;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_GENE: HMFB                                         
KEYWDS    HISTONE                                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.DECANNIERE,K.SANDMAN,J.N.REEVE,U.HEINEMANN                          
REVDAT   5   03-APR-24 1A7W    1       REMARK                                   
REVDAT   4   07-FEB-24 1A7W    1       REMARK LINK                              
REVDAT   3   13-JUL-11 1A7W    1       VERSN                                    
REVDAT   2   24-FEB-09 1A7W    1       VERSN                                    
REVDAT   1   23-MAR-99 1A7W    0                                                
JRNL        AUTH   K.DECANNIERE,A.M.BABU,K.SANDMAN,J.N.REEVE,U.HEINEMANN        
JRNL        TITL   CRYSTAL STRUCTURES OF RECOMBINANT HISTONES HMFA AND HMFB     
JRNL        TITL 2 FROM THE HYPERTHERMOPHILIC ARCHAEON METHANOTHERMUS FERVIDUS. 
JRNL        REF    J.MOL.BIOL.                   V. 303    35 2000              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11021968                                                     
JRNL        DOI    10.1006/JMBI.2000.4104                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   K.DECANNIERE,K.SANDMAN,J.N.REEVE,U.HEINEMANN                 
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY CHARACTERIZATION OF    
REMARK   1  TITL 2 THE METHANOTHERMUS FERVIDUS HISTONES HMFA AND HMFB           
REMARK   1  REF    PROTEINS                      V.  24   269 1996              
REMARK   1  REFN                   ISSN 0887-3585                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   M.R.STARICH,K.SANDMAN,J.N.REEVE,M.F.SUMMERS                  
REMARK   1  TITL   NMR STRUCTURE OF HMFB FROM THE HYPERTHERMOPHILE,             
REMARK   1  TITL 2 METHANOTHERMUS FERVIDUS, CONFIRMS THAT THIS ARCHAEAL PROTEIN 
REMARK   1  TITL 3 IS A HISTONE                                                 
REMARK   1  REF    J.MOL.BIOL.                   V. 255   187 1996              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 10797                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : AFTER RIGID BODY REFINEMENT     
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.200                           
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 520                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 527                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 46                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.87                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.34                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.39800                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 1.39800                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : -2.69000                                             
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.022 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.039 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.047 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.024 ; 0.030               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.161 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.178 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.300 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : 0.300 ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : 0.300 ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : 0.000 ; 15.000              
REMARK   3    PLANAR                    (DEGREES) : 3.900 ; 7.000               
REMARK   3    STAGGERED                 (DEGREES) : 17.700; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 4.500 ; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.932 ; 2.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.676 ; 3.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.426 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.241 ; 3.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: RIGID BODY WITH AMORE, SIMULATED          
REMARK   3  ANNEALING WITH X-PLOR, REFINEMENT WITH REFMAC. ESD FROM LUZZATI     
REMARK   3  PLOT (A) : 0.25                                                     
REMARK   4                                                                      
REMARK   4 1A7W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170503.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : FEB-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : NULL                               
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 RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FOIL                            
REMARK 200  OPTICS                         : SUPPER NI-COATED MIRROR SYSTEM     
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 300 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, SCALA              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6152                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.100                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.9                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : 0.05300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.19600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.19600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PARTIALLY REFINED ORTHORHOMBIC HMFA                  
REMARK 200                                                                      
REMARK 200 REMARK: ORTHOROMBIC HMFA STRUCTURE WILL BE SUBMITTED SOON            
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   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        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       15.65000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.79000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       15.65000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       30.79000            
REMARK 290   SMTRY3   4  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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 3620 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 7480 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -95.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     LYS A    69                                                      
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 6*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(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  23   CB  -  CG  -  OD1 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    ARG A  37   NE  -  CZ  -  NH1 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    ASP A  38   CB  -  CG  -  OD2 ANGL. DEV. =  -8.0 DEGREES          
REMARK 500    ARG A  48   CD  -  NE  -  CZ  ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ARG A  66   CD  -  NE  -  CZ  ANGL. DEV. =  12.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 101  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  34   OE2                                                    
REMARK 620 2 ASP A  38   OD2 112.7                                              
REMARK 620 3 HIS A  49   ND1  91.4 128.9                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 101                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 102                  
DBREF  1A7W A    1    69  UNP    P19267   HMFB_METFE       1     69             
SEQRES   1 A   69  MET GLU LEU PRO ILE ALA PRO ILE GLY ARG ILE ILE LYS          
SEQRES   2 A   69  ASP ALA GLY ALA GLU ARG VAL SER ASP ASP ALA ARG ILE          
SEQRES   3 A   69  THR LEU ALA LYS ILE LEU GLU GLU MET GLY ARG ASP ILE          
SEQRES   4 A   69  ALA SER GLU ALA ILE LYS LEU ALA ARG HIS ALA GLY ARG          
SEQRES   5 A   69  LYS THR ILE LYS ALA GLU ASP ILE GLU LEU ALA VAL ARG          
SEQRES   6 A   69  ARG PHE LYS LYS                                              
HET     ZN  A 101       1                                                       
HET     CL  A 102       1                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      CL CHLORIDE ION                                                     
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   CL    CL 1-                                                        
FORMUL   4  HOH   *46(H2 O)                                                     
HELIX    1   1 ILE A    5  ASP A   14  1                                  10    
HELIX    2   2 ASP A   22  ALA A   50  1                                  29    
HELIX    3   3 ALA A   57  ARG A   66  1                                  10    
LINK         OE2 GLU A  34                ZN    ZN A 101     1555   1555  2.02  
LINK         OD2 ASP A  38                ZN    ZN A 101     1555   1555  2.02  
LINK         ND1 HIS A  49                ZN    ZN A 101     4456   1555  2.10  
SITE     1 AC1  4 GLU A  34  ASP A  38  HIS A  49   CL A 102                    
SITE     1 AC2  3 ASP A  38   ZN A 101  HOH A 155                               
CRYST1   31.300   61.580   39.650  90.00  90.00  90.00 P 21 21 2     4          
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      0.031949  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016239  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.025221        0.00000