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Database: PDB
Entry: 5XHE
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HEADER    TRANSCRIPTION                           20-APR-17   5XHE              
TITLE     CRYSTAL STRUCTURE ANALYSIS OF THE SECOND BROMODOMAIN OF BRD2          
TITLE    2 COVALENTLY LINKED TO B-MERCAPTOETHANOL                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 2;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: BROMODOMAIN (UNP RESIDUES 348-455);                        
COMPND   5 SYNONYM: O27.1.1,REALLY INTERESTING NEW GENE 3 PROTEIN;              
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: BRD2, KIAA9001, RING3;                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28A                                    
KEYWDS    BET FAMILY, BRD2, BROMODOMAIN, B-MERCAPTOETHANOL, CME, TRANSCRIPTION  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.PADMANABHAN,S.MATHUR,S.K.TRIPATHI,P.DESHMUKH                        
REVDAT   2   01-AUG-18 5XHE    1       JRNL                                     
REVDAT   1   06-SEP-17 5XHE    0                                                
JRNL        AUTH   S.MATHUR,P.DESHMUKH,S.TRIPATHI,P.MARIMUTHU,B.PADMANABHAN     
JRNL        TITL   INSIGHTS INTO THE CRYSTAL STRUCTURE OF BRD2-BD2 -            
JRNL        TITL 2 PHENANTHRIDINONE COMPLEX AND THEORETICAL STUDIES ON          
JRNL        TITL 3 PHENANTHRIDINONE ANALOGS.                                    
JRNL        REF    J. BIOMOL. STRUCT. DYN.       V.  36  2342 2018              
JRNL        REFN                   ESSN 1538-0254                               
JRNL        PMID   28696179                                                     
JRNL        DOI    10.1080/07391102.2017.1353441                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.TRIPATHI,S.MATHUR,P.DESHMUKH,R.MANJULA,B.PADMANABHAN       
REMARK   1  TITL   A NOVEL PHENANTHRIDIONONE BASED SCAFFOLD AS A POTENTIAL      
REMARK   1  TITL 2 INHIBITOR OF THE BRD2 BROMODOMAIN: CRYSTAL STRUCTURE OF THE  
REMARK   1  TITL 3 COMPLEX.                                                     
REMARK   1  REF    PLOS ONE                      V.  11 56344 2016              
REMARK   1  REFN                   ESSN 1932-6203                               
REMARK   1  PMID   27243809                                                     
REMARK   1  DOI    10.1371/JOURNAL.PONE.0156344                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0029                                      
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) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 22848                          
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) : 0.145                           
REMARK   3   R VALUE            (WORKING SET) : 0.144                           
REMARK   3   FREE R VALUE                     : 0.172                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1173                            
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) : 1.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.44                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1609                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.32                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2300                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 93                           
REMARK   3   BIN FREE R VALUE                    : 0.3010                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 935                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 149                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.33                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.21000                                              
REMARK   3    B22 (A**2) : -0.18000                                             
REMARK   3    B33 (A**2) : -0.03000                                             
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): 0.068         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.058         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.033         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.860         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.971                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.962                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1131 ; 0.008 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1536 ; 1.268 ; 1.967       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   142 ; 4.411 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    60 ;33.765 ;23.500       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   198 ;12.297 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     9 ;22.036 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   152 ; 0.083 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   898 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
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):  1129 ; 1.672 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    47 ;30.572 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1208 ;11.081 ; 5.000       
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 : BABINET MODEL WITH 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: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 5XHE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-APR-17.                  
REMARK 100 THE DEPOSITION ID IS D_1300003540.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-JUL-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : RRCAT INDUS-2                      
REMARK 200  BEAMLINE                       : PX-BL21                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.90                               
REMARK 200  MONOCHROMATOR                  : SI (III)                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : IMOSFLM, HKL                       
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.22                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24042                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 42.367                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.07900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.48                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.58300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.44                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG 2000, 5MM B-ME, 10% GLYCEROL,    
REMARK 280  50MM TRIS-CL, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE    
REMARK 280  293K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21                        
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,Y+1/2,-Z+1/2                                         
REMARK 290       4555   -X,-Y+1/2,Z+1/2                                         
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        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.22500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       35.93500            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       26.22500            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       35.93500            
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 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 685  LIES ON A SPECIAL POSITION.                          
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     MET A 344    CG   SD   CE                                        
REMARK 470     GLN A 345    CG   CD   OE1  NE2                                  
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 434   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 746        DISTANCE =  5.84 ANGSTROMS                       
REMARK 525    HOH A 747        DISTANCE =  6.87 ANGSTROMS                       
REMARK 525    HOH A 748        DISTANCE =  7.99 ANGSTROMS                       
REMARK 525    HOH A 749        DISTANCE =  8.19 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue PGE A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 504                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5XHK   RELATED DB: PDB                                   
DBREF  5XHE A  348   455  UNP    P25440   BRD2_HUMAN     348    455             
SEQADV 5XHE HIS A  343  UNP  P25440              EXPRESSION TAG                 
SEQADV 5XHE MET A  344  UNP  P25440              EXPRESSION TAG                 
SEQADV 5XHE GLN A  345  UNP  P25440              EXPRESSION TAG                 
SEQADV 5XHE ASP A  346  UNP  P25440              EXPRESSION TAG                 
SEQADV 5XHE PRO A  347  UNP  P25440              EXPRESSION TAG                 
SEQRES   1 A  113  HIS MET GLN ASP PRO GLU GLN LEU LYS HIS CYS ASN GLY          
SEQRES   2 A  113  ILE LEU LYS GLU LEU LEU SER LYS LYS HIS ALA ALA TYR          
SEQRES   3 A  113  ALA TRP PRO PHE TYR LYS PRO VAL ASP ALA SER ALA LEU          
SEQRES   4 A  113  GLY LEU HIS ASP TYR HIS ASP ILE ILE LYS HIS PRO MET          
SEQRES   5 A  113  ASP LEU SER THR VAL LYS ARG LYS MET GLU ASN ARG ASP          
SEQRES   6 A  113  TYR ARG ASP ALA GLN GLU PHE ALA ALA ASP VAL ARG LEU          
SEQRES   7 A  113  MET PHE SER ASN CME TYR LYS TYR ASN PRO PRO ASP HIS          
SEQRES   8 A  113  ASP VAL VAL ALA MET ALA ARG LYS LEU GLN ASP VAL PHE          
SEQRES   9 A  113  GLU PHE ARG TYR ALA LYS MET PRO ASP                          
MODRES 5XHE CME A  425  CYS  MODIFIED RESIDUE                                   
HET    CME  A 425      10                                                       
HET    PGE  A 501      10                                                       
HET    GOL  A 502       6                                                       
HET    GOL  A 503       6                                                       
HET    GOL  A 504       6                                                       
HETNAM     CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE                                 
HETNAM     PGE TRIETHYLENE GLYCOL                                               
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  CME    C5 H11 N O3 S2                                               
FORMUL   2  PGE    C6 H14 O4                                                    
FORMUL   3  GOL    3(C3 H8 O3)                                                  
FORMUL   6  HOH   *149(H2 O)                                                    
HELIX    1 AA1 GLN A  345  LEU A  361  1                                  17    
HELIX    2 AA2 SER A  362  LYS A  364  5                                   3    
HELIX    3 AA3 HIS A  365  TRP A  370  1                                   6    
HELIX    4 AA4 PRO A  371  TYR A  373  5                                   3    
HELIX    5 AA5 ASP A  377  GLY A  382  1                                   6    
HELIX    6 AA6 ASP A  385  ILE A  390  1                                   6    
HELIX    7 AA7 ASP A  395  ASN A  405  1                                  11    
HELIX    8 AA8 ASP A  410  ASN A  429  1                                  20    
HELIX    9 AA9 HIS A  433  ALA A  451  1                                  19    
LINK         C   ASN A 424                 N   CME A 425     1555   1555  1.33  
LINK         C   CME A 425                 N   TYR A 426     1555   1555  1.35  
SITE     1 AC1  5 TRP A 370  VAL A 435  MET A 438  GOL A 504                    
SITE     2 AC1  5 HOH A 607                                                     
SITE     1 AC2  6 TYR A 426  ARG A 440  GLN A 443  ASP A 444                    
SITE     2 AC2  6 GLU A 447  PHE A 448                                          
SITE     1 AC3  6 LYS A 402  ASP A 407  MET A 438  LYS A 441                    
SITE     2 AC3  6 HOH A 604  HOH A 611                                          
SITE     1 AC4  5 LEU A 383  CME A 425  ASN A 429  PGE A 501                    
SITE     2 AC4  5 HOH A 603                                                     
CRYST1   32.190   52.450   71.870  90.00  90.00  90.00 P 2 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      0.031066  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019066  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013914        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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