HEADER    PROTEIN BINDING/INHIBITOR               28-SEP-12   4HBX              
TITLE     CRYSTAL STRUCTURE OF THE FIRST BROMODOMAIN OF HUMAN BRD4 IN COMPLEX   
TITLE    2 WITH A QUINAZOLIN LIGAND                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 4;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PROTEIN HUNK1;                                              
COMPND   5 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: 562;                                        
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, PROTEIN BINDING-INHIBITOR COMPLEX,     
KEYWDS   2 MITOTIC CHROMOSOME ASSOCIATED PROTEIN, CELL CYCLE, STRUCTURAL        
KEYWDS   3 GENOMICS CONSORTIUM, SGC                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.FILIPPAKOPOULOS,S.PICAUD,J.QI,I.FELLETAR,F.VON DELFT,C.BOUNTRA,     
AUTHOR   2 C.H.ARROWSMITH,A.EDWARDS,P.V.FISH,M.E.BUNNAGE,A.S.COOK,D.R.OWEN,     
AUTHOR   3 S.KNAPP,STRUCTURAL GENOMICS CONSORTIUM (SGC)                         
REVDAT   4   20-SEP-23 4HBX    1       REMARK SEQADV                            
REVDAT   3   12-DEC-12 4HBX    1       JRNL                                     
REVDAT   2   14-NOV-12 4HBX    1       JRNL                                     
REVDAT   1   31-OCT-12 4HBX    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.    1.62 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) : 1.62                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.91                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 16895                          
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) : 0.179                           
REMARK   3   R VALUE            (WORKING SET) : 0.178                           
REMARK   3   FREE R VALUE                     : 0.210                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 854                             
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) : 1.62                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.66                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1061                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.38                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4880                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 53                           
REMARK   3   BIN FREE R VALUE                    : 0.5310                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1061                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 157                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.96                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.34000                                              
REMARK   3    B22 (A**2) : 0.22000                                              
REMARK   3    B33 (A**2) : -0.56000                                             
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): 0.099         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.097         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.059         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.221         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.963                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.955                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1144 ; 0.015 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):   795 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1566 ; 1.594 ; 1.995       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  1966 ; 0.981 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   136 ; 5.570 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    55 ;33.730 ;26.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   209 ;13.517 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     3 ;19.923 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   165 ; 0.095 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1279 ; 0.009 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   208 ; 0.001 ; 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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    42        A   168                          
REMARK   3    ORIGIN FOR THE GROUP (A):  60.9189   4.8122  10.4196              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0639 T22:   0.0475                                     
REMARK   3      T33:   0.0504 T12:   0.0051                                     
REMARK   3      T13:  -0.0053 T23:   0.0137                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2742 L22:   0.4396                                     
REMARK   3      L33:   0.8499 L12:   0.0355                                     
REMARK   3      L13:  -0.2612 L23:  -0.5357                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0499 S12:  -0.0092 S13:  -0.0228                       
REMARK   3      S21:   0.0444 S22:  -0.0216 S23:  -0.0214                       
REMARK   3      S31:  -0.0221 S32:   0.0525 S33:   0.0715                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
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: WITH TLS ADDED                                            
REMARK   4                                                                      
REMARK   4 4HBX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-OCT-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000075273.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
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) : 1.5418                             
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 3.3.20                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16951                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.620                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 37.910                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 4.400                              
REMARK 200  R MERGE                    (I) : 0.06800                            
REMARK 200  R SYM                      (I) : 0.06800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.62                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.71                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.57200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.57200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.3.0                                          
REMARK 200 STARTING MODEL: 2OSS                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M KSCN, 0.1M BTPROP PH 7.5, 20%       
REMARK 280  PEG3350, 10% ETGLY, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE      
REMARK 280  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       21.74000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       30.51500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.18500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       30.51500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.74000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       24.18500            
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    TRP A  75   CE2   TRP A  75   CD2     0.078                       
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 14X A 201                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4HBY   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4HBW   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4HBV   RELATED DB: PDB                                   
DBREF  4HBX A   42   168  UNP    O60885   BRD4_HUMAN      42    168             
SEQADV 4HBX MET A   43  UNP  O60885    THR    43 CONFLICT                       
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    14X  A 201      20                                                       
HETNAM     14X 3-METHYL-6-(PYRROLIDIN-1-YLSULFONYL)-3,4-                        
HETNAM   2 14X  DIHYDROQUINAZOLIN-2(1H)-ONE                                     
FORMUL   2  14X    C13 H17 N3 O3 S                                              
FORMUL   3  HOH   *157(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  ASN A  162  1                                  19    
SITE     1 AC1 11 SER A  51  LYS A  57  TRP A  81  PRO A  82                    
SITE     2 AC1 11 VAL A  87  LEU A  92  ASN A 116  ASN A 140                    
SITE     3 AC1 11 MET A 149  HOH A 301  HOH A 347                               
CRYST1   43.480   48.370   61.030  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      0.022999  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.020674  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016385        0.00000