HEADER    PROTEIN BINDING/INHIBITOR               20-MAR-12   4E96              
TITLE     CRYSTAL STRUCTURE OF THE FIRST BROMODOMAIN OF HUMAN BRD4 IN COMPLEX   
TITLE    2 WITH THE INHIBITOR PFI-1                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 4;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 44-168;                                       
COMPND   5 SYNONYM: PROTEIN HUNK1;                                              
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: BRD4, HUNK1;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)-R3;                              
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4                               
KEYWDS    BROMODOMAIN, CAP, HUNK1, MCAP, MITOTIC CHROMOSOME ASSOCIATED PROTEIN, 
KEYWDS   2 JQ1, BETSOFF1, STRUCTURAL GENOMICS CONSORTIUM, SGC, CELL CYCLE,      
KEYWDS   3 PROTEIN BINDING-INHIBITOR COMPLEX                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.FILIPPAKOPOULOS,S.PICAUD,I.FELLETAR,O.FEDOROV,F.VON DELFT,          
AUTHOR   2 C.H.ARROWSMITH,A.M.EDWARDS,J.WEIGELT,P.FISH,M.BUNNAGE,D.OWEN,        
AUTHOR   3 S.KNAPP,A.COOK,STRUCTURAL GENOMICS CONSORTIUM (SGC)                  
REVDAT   5   13-SEP-23 4E96    1       REMARK SEQADV                            
REVDAT   4   27-FEB-13 4E96    1       JRNL                                     
REVDAT   3   14-NOV-12 4E96    1       JRNL                                     
REVDAT   2   25-APR-12 4E96    1       AUTHOR                                   
REVDAT   1   18-APR-12 4E96    0                                                
JRNL        AUTH   P.V.FISH,P.FILIPPAKOPOULOS,G.BISH,P.E.BRENNAN,M.E.BUNNAGE,   
JRNL        AUTH 2 A.S.COOK,O.FEDEROV,B.S.GERSTENBERGER,H.JONES,S.KNAPP,        
JRNL        AUTH 3 B.MARSDEN,K.NOCKA,D.R.OWEN,M.PHILPOTT,S.PICAUD,M.J.PRIMIANO, 
JRNL        AUTH 4 M.J.RALPH,N.SCIAMMETTA,J.D.TRZUPEK                           
JRNL        TITL   IDENTIFICATION OF A CHEMICAL PROBE FOR BROMO AND EXTRA       
JRNL        TITL 2 C-TERMINAL BROMODOMAIN INHIBITION THROUGH OPTIMIZATION OF A  
JRNL        TITL 3 FRAGMENT-DERIVED HIT.                                        
JRNL        REF    J.MED.CHEM.                   V.  55  9831 2012              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   23095041                                                     
JRNL        DOI    10.1021/JM3010515                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.92 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    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.92                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 23.35                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 10125                          
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 + TEST SET) : 0.216                           
REMARK   3   R VALUE            (WORKING SET) : 0.213                           
REMARK   3   FREE R VALUE                     : 0.286                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 489                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.92                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.97                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 665                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.07                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3800                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 45                           
REMARK   3   BIN FREE R VALUE                    : 0.4360                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1020                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 33                                      
REMARK   3   SOLVENT ATOMS            : 60                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 26.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.79                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.00000                                              
REMARK   3    B22 (A**2) : -2.10000                                             
REMARK   3    B33 (A**2) : -1.90000                                             
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.196         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.192         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.148         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.240         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.946                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.926                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1107 ; 0.016 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):   745 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1513 ; 1.512 ; 1.997       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  1827 ; 0.991 ; 3.002       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   126 ; 5.849 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    52 ;35.106 ;26.154       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   185 ;15.524 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     2 ;15.075 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   161 ; 0.079 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1195 ; 0.008 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   193 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   644 ; 4.251 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   241 ; 1.421 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1061 ; 5.556 ; 5.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   463 ; 8.435 ; 8.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   452 ; 9.941 ;11.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS                   
REMARK   3  U VALUES: REFINED INDIVIDUALLY                                      
REMARK   4                                                                      
REMARK   4 4E96 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000071326.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-MAY-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
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 FR-E SUPERBRIGHT            
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.16                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10412                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.910                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 23.355                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 4.600                              
REMARK 200  R MERGE                    (I) : 0.11000                            
REMARK 200  R SYM                      (I) : 0.11000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.8000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.81900                            
REMARK 200  R SYM FOR SHELL            (I) : 0.81900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 0.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.1.4                                          
REMARK 200 STARTING MODEL: PDB ENTRY 2OSS                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.44                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M NA(MALONATE) 0.1M BTPROP PH 8.5     
REMARK 280  20% PEG3350 10% ETGLY, VAPOR DIFFUSION, SITTING DROP,               
REMARK 280  TEMPERATURE 277K                                                    
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   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       17.35500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       39.12500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.35500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       39.12500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       17.35500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       23.35500            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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     THR A   166                                                      
REMARK 465     GLU A   167                                                      
REMARK 465     GLU A   168                                                      
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     SER A  42    OG                                                  
REMARK 470     ARG A  68    CD   NE   CZ   NH1  NH2                             
REMARK 470     LYS A  72    CG   CD   CE   NZ                                   
REMARK 470     LYS A 141    CD   CE   NZ                                        
REMARK 470     LYS A 155    CD   CE   NZ                                        
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    ASN A  52      100.00   -161.04                                   
REMARK 500    LEU A  94       63.97   -117.32                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0NS A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 204                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2OSS   RELATED DB: PDB                                   
DBREF  4E96 A   44   168  UNP    O60885   BRD4_HUMAN      44    168             
SEQADV 4E96 SER A   42  UNP  O60885              EXPRESSION TAG                 
SEQADV 4E96 MET A   43  UNP  O60885              EXPRESSION TAG                 
SEQRES   1 A  127  SER MET ASN PRO PRO PRO PRO GLU THR SER ASN PRO ASN          
SEQRES   2 A  127  LYS PRO LYS ARG GLN THR ASN GLN LEU GLN TYR LEU LEU          
SEQRES   3 A  127  ARG VAL VAL LEU LYS THR LEU TRP LYS HIS GLN PHE ALA          
SEQRES   4 A  127  TRP PRO PHE GLN GLN PRO VAL ASP ALA VAL LYS LEU ASN          
SEQRES   5 A  127  LEU PRO ASP TYR TYR LYS ILE ILE LYS THR PRO MET ASP          
SEQRES   6 A  127  MET GLY THR ILE LYS LYS ARG LEU GLU ASN ASN TYR TYR          
SEQRES   7 A  127  TRP ASN ALA GLN GLU CYS ILE GLN ASP PHE ASN THR MET          
SEQRES   8 A  127  PHE THR ASN CYS TYR ILE TYR ASN LYS PRO GLY ASP ASP          
SEQRES   9 A  127  ILE VAL LEU MET ALA GLU ALA LEU GLU LYS LEU PHE LEU          
SEQRES  10 A  127  GLN LYS ILE ASN GLU LEU PRO THR GLU GLU                      
HET    0NS  A 201      24                                                       
HET     NA  A 202       1                                                       
HET    DMS  A 203       4                                                       
HET    EDO  A 204       4                                                       
HETNAM     0NS 2-METHOXY-N-(3-METHYL-2-OXO-1,2,3,4-                             
HETNAM   2 0NS  TETRAHYDROQUINAZOLIN-6-YL)BENZENESULFONAMIDE                    
HETNAM      NA SODIUM ION                                                       
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   2  0NS    C16 H17 N3 O4 S                                              
FORMUL   3   NA    NA 1+                                                        
FORMUL   4  DMS    C2 H6 O S                                                    
FORMUL   5  EDO    C2 H6 O2                                                     
FORMUL   6  HOH   *60(H2 O)                                                     
HELIX    1   1 THR A   60  VAL A   69  1                                  10    
HELIX    2   2 VAL A   69  HIS A   77  1                                   9    
HELIX    3   3 ALA A   80  GLN A   84  5                                   5    
HELIX    4   4 ASP A   96  ILE A  101  1                                   6    
HELIX    5   5 ASP A  106  ASN A  116  1                                  11    
HELIX    6   6 ASN A  121  ASN A  140  1                                  20    
HELIX    7   7 ASP A  144  GLU A  163  1                                  20    
SITE     1 AC1 10 TRP A  81  VAL A  87  ASP A  96  LYS A  99                    
SITE     2 AC1 10 ASN A 140  ILE A 146  MET A 149  HOH A 308                    
SITE     3 AC1 10 HOH A 313  HOH A 328                                          
SITE     1 AC2  2 LYS A 102  HOH A 314                                          
SITE     1 AC3  3 PRO A  86  LYS A 112  HOH A 325                               
SITE     1 AC4  5 ILE A 100  ILE A 101  LYS A 102  THR A 103                    
SITE     2 AC4  5 ASN A 135                                                     
CRYST1   34.710   46.710   78.250  90.00  90.00  90.00 P 21 21 21    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      0.028810  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021409  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012780        0.00000