HEADER    TRANSCRIPTION                           01-MAR-16   5IID              
TITLE     CRYSTAL STRUCTURE OF THE FIFTH BROMODOMAIN OF HUMAN POLYBROMO (PB1) IN
TITLE    2 COMPLEX WITH 2-(3,4-DIHYDROXYPHENYL)-5-HYDROXY-4H-CHROMEN-4-ONE      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN POLYBROMO-1;                                       
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: HPB1,BRG1-ASSOCIATED FACTOR 180,BAF180,POLYBROMO-1D;        
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: PBRM1, BAF180, PB1;                                            
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: R3;                                       
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4                               
KEYWDS    BROMODOMAIN, COMPLEX, SMALL MOLECULE, STRUCTURAL GENOMICS CONSORTIUM, 
KEYWDS   2 SGC, TRANSCRIPTION                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.FILIPPAKOPOULOS,S.PICAUD,I.FELLETAR,F.VON DELFT,A.M.EDWARDS,        
AUTHOR   2 C.H.ARROWSMITH,C.BOUNTRA,S.KNAPP                                     
REVDAT   5   10-JAN-24 5IID    1       REMARK                                   
REVDAT   4   24-JAN-18 5IID    1       SOURCE                                   
REVDAT   3   26-OCT-16 5IID    1       JRNL                                     
REVDAT   2   12-OCT-16 5IID    1       JRNL                                     
REVDAT   1   29-JUN-16 5IID    0                                                
JRNL        AUTH   V.MYRIANTHOPOULOS,N.GABORIAUD-KOLAR,C.TALLANT,M.L.HALL,      
JRNL        AUTH 2 S.GRIGORIOU,P.M.BROWNLEE,O.FEDOROV,C.ROGERS,D.HEIDENREICH,   
JRNL        AUTH 3 M.WANIOR,N.DROSOS,N.MEXIA,P.SAVITSKY,T.BAGRATUNI,            
JRNL        AUTH 4 E.KASTRITIS,E.TERPOS,P.FILIPPAKOPOULOS,S.MULLER,             
JRNL        AUTH 5 A.L.SKALTSOUNIS,J.A.DOWNS,S.KNAPP,E.MIKROS                   
JRNL        TITL   DISCOVERY AND OPTIMIZATION OF A SELECTIVE LIGAND FOR THE     
JRNL        TITL 2 SWITCH/SUCROSE NONFERMENTING-RELATED BROMODOMAINS OF         
JRNL        TITL 3 POLYBROMO PROTEIN-1 BY THE USE OF VIRTUAL SCREENING AND      
JRNL        TITL 4 HYDRATION ANALYSIS.                                          
JRNL        REF    J.MED.CHEM.                   V.  59  8787 2016              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   27617704                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.6B00355                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 12658                          
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) : 0.221                           
REMARK   3   R VALUE            (WORKING SET) : 0.218                           
REMARK   3   FREE R VALUE                     : 0.282                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 659                             
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) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.46                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 778                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 92.18                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3450                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 24                           
REMARK   3   BIN FREE R VALUE                    : 0.6090                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1894                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 40                                      
REMARK   3   SOLVENT ATOMS            : 49                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.29                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.34000                                              
REMARK   3    B22 (A**2) : 2.50000                                              
REMARK   3    B33 (A**2) : -2.84000                                             
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): 0.345         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.273         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.216         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 18.795        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.944                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.923                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1972 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1364 ; 0.004 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2658 ; 1.471 ; 2.010       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3298 ; 1.167 ; 3.001       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   228 ; 5.378 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    96 ;34.064 ;23.958       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   374 ;16.609 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    16 ;16.185 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   282 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2146 ; 0.007 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   384 ; 0.003 ; 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   NCS TYPE: LOCAL                                                    
REMARK   3   NUMBER OF DIFFERENT NCS PAIRS  : 1                                 
REMARK   3  GROUP  CHAIN1    RANGE     CHAIN2     RANGE    COUNT RMS  WEIGHT    
REMARK   3    1     A   652    766       B   652    766    4275 0.130 0.050     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
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   653        A   766                          
REMARK   3    ORIGIN FOR THE GROUP (A):   4.4459  33.1689  22.3153              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0885 T22:   0.0892                                     
REMARK   3      T33:   0.0857 T12:  -0.0125                                     
REMARK   3      T13:  -0.0166 T23:   0.0286                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0030 L22:   0.6722                                     
REMARK   3      L33:   3.3241 L12:  -0.4633                                     
REMARK   3      L13:   1.3320 L23:  -0.7504                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0230 S12:  -0.0283 S13:   0.0676                       
REMARK   3      S21:   0.0477 S22:  -0.0811 S23:   0.0461                       
REMARK   3      S31:   0.2781 S32:  -0.0201 S33:   0.0581                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B   652        B   765                          
REMARK   3    ORIGIN FOR THE GROUP (A):  15.8777  55.9246  20.3843              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1004 T22:   0.1438                                     
REMARK   3      T33:   0.0819 T12:  -0.0296                                     
REMARK   3      T13:   0.0108 T23:   0.0021                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4639 L22:   0.9158                                     
REMARK   3      L33:   2.2243 L12:  -0.2739                                     
REMARK   3      L13:  -0.6463 L23:   0.2514                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0619 S12:  -0.1447 S13:  -0.0431                       
REMARK   3      S21:  -0.0785 S22:  -0.0528 S23:  -0.0870                       
REMARK   3      S31:  -0.3092 S32:   0.1066 S33:  -0.0091                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
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 ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : WITH TLS ADDED                                 
REMARK   4                                                                      
REMARK   4 5IID COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-MAR-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000218882.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-JUL-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) : 1.52                               
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   : 13364                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 18.632                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 4.600                              
REMARK 200  R MERGE                    (I) : 0.10400                            
REMARK 200  R SYM                      (I) : 0.10400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.53                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.78400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.000                              
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: ENSEMBLE OF                                          
REMARK 200  3MB4,3DAI,3HMH,2GRC,2OSS,2OUO,3D7C,3DWY                             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.85                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.20M NA2SO4 0.1M BTPROP PH 8.5 20.0%    
REMARK 280  PEG 3350 10.0% 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       20.75000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       69.74000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.20000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       69.74000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.75000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.20000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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     SER A   643                                                      
REMARK 465     MET A   644                                                      
REMARK 465     SER A   645                                                      
REMARK 465     GLY A   646                                                      
REMARK 465     ILE A   647                                                      
REMARK 465     SER A   648                                                      
REMARK 465     PRO A   649                                                      
REMARK 465     LYS A   650                                                      
REMARK 465     LYS A   651                                                      
REMARK 465     SER B   643                                                      
REMARK 465     MET B   644                                                      
REMARK 465     SER B   645                                                      
REMARK 465     GLY B   646                                                      
REMARK 465     ILE B   647                                                      
REMARK 465     SER B   648                                                      
REMARK 465     PRO B   649                                                      
REMARK 465     LYS B   650                                                      
REMARK 465     LYS B   651                                                      
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     LYS A 702    CG   CD   CE   NZ                                   
REMARK 470     LYS A 708    CD   CE   NZ                                        
REMARK 470     LYS A 754    CE   NZ                                             
REMARK 470     LYS B 675    CE   NZ                                             
REMARK 470     LYS B 702    CG   CD   CE   NZ                                   
REMARK 470     LYS B 717    CE   NZ                                             
REMARK 470     LYS B 747    NZ                                                  
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    CYS B 736   CA  -  CB  -  SG  ANGL. DEV. =   7.2 DEGREES          
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 6BK A 801                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 6BK B 801                 
DBREF  5IID A  645   766  UNP    Q86U86   PB1_HUMAN      645    766             
DBREF  5IID B  645   766  UNP    Q86U86   PB1_HUMAN      645    766             
SEQADV 5IID SER A  643  UNP  Q86U86              EXPRESSION TAG                 
SEQADV 5IID MET A  644  UNP  Q86U86              EXPRESSION TAG                 
SEQADV 5IID SER B  643  UNP  Q86U86              EXPRESSION TAG                 
SEQADV 5IID MET B  644  UNP  Q86U86              EXPRESSION TAG                 
SEQRES   1 A  124  SER MET SER GLY ILE SER PRO LYS LYS SER LYS TYR MET          
SEQRES   2 A  124  THR PRO MET GLN GLN LYS LEU ASN GLU VAL TYR GLU ALA          
SEQRES   3 A  124  VAL LYS ASN TYR THR ASP LYS ARG GLY ARG ARG LEU SER          
SEQRES   4 A  124  ALA ILE PHE LEU ARG LEU PRO SER ARG SER GLU LEU PRO          
SEQRES   5 A  124  ASP TYR TYR LEU THR ILE LYS LYS PRO MET ASP MET GLU          
SEQRES   6 A  124  LYS ILE ARG SER HIS MET MET ALA ASN LYS TYR GLN ASP          
SEQRES   7 A  124  ILE ASP SER MET VAL GLU ASP PHE VAL MET MET PHE ASN          
SEQRES   8 A  124  ASN ALA CYS THR TYR ASN GLU PRO GLU SER LEU ILE TYR          
SEQRES   9 A  124  LYS ASP ALA LEU VAL LEU HIS LYS VAL LEU LEU GLU THR          
SEQRES  10 A  124  ARG ARG ASP LEU GLU GLY ASP                                  
SEQRES   1 B  124  SER MET SER GLY ILE SER PRO LYS LYS SER LYS TYR MET          
SEQRES   2 B  124  THR PRO MET GLN GLN LYS LEU ASN GLU VAL TYR GLU ALA          
SEQRES   3 B  124  VAL LYS ASN TYR THR ASP LYS ARG GLY ARG ARG LEU SER          
SEQRES   4 B  124  ALA ILE PHE LEU ARG LEU PRO SER ARG SER GLU LEU PRO          
SEQRES   5 B  124  ASP TYR TYR LEU THR ILE LYS LYS PRO MET ASP MET GLU          
SEQRES   6 B  124  LYS ILE ARG SER HIS MET MET ALA ASN LYS TYR GLN ASP          
SEQRES   7 B  124  ILE ASP SER MET VAL GLU ASP PHE VAL MET MET PHE ASN          
SEQRES   8 B  124  ASN ALA CYS THR TYR ASN GLU PRO GLU SER LEU ILE TYR          
SEQRES   9 B  124  LYS ASP ALA LEU VAL LEU HIS LYS VAL LEU LEU GLU THR          
SEQRES  10 B  124  ARG ARG ASP LEU GLU GLY ASP                                  
HET    6BK  A 801      20                                                       
HET    6BK  B 801      20                                                       
HETNAM     6BK 2-(3,4-DIHYDROXYPHENYL)-5-HYDROXY-4H-1-BENZOPYRAN-4-ONE          
FORMUL   3  6BK    2(C15 H10 O5)                                                
FORMUL   5  HOH   *49(H2 O)                                                     
HELIX    1 AA1 THR A  656  TYR A  672  1                                  17    
HELIX    2 AA2 ARG A  679  LEU A  685  5                                   7    
HELIX    3 AA3 LEU A  693  ILE A  700  1                                   8    
HELIX    4 AA4 ASP A  705  ALA A  715  1                                  11    
HELIX    5 AA5 ASP A  720  ASN A  739  1                                  20    
HELIX    6 AA6 SER A  743  LEU A  763  1                                  21    
HELIX    7 AA7 THR B  656  TYR B  672  1                                  17    
HELIX    8 AA8 SER B  681  LEU B  685  5                                   5    
HELIX    9 AA9 LEU B  693  ILE B  700  1                                   8    
HELIX   10 AB1 ASP B  705  ALA B  715  1                                  11    
HELIX   11 AB2 ASP B  720  ASN B  739  1                                  20    
HELIX   12 AB3 SER B  743  LEU B  763  1                                  21    
SITE     1 AC1 10 ILE A 683  LEU A 687  PRO A 688  TYR A 696                    
SITE     2 AC1 10 MET A 704  ALA A 735  ASN A 739  ILE A 745                    
SITE     3 AC1 10 HOH A 901  LEU B 744                                          
SITE     1 AC2 11 LEU A 744  ILE B 683  PHE B 684  TYR B 696                    
SITE     2 AC2 11 MET B 704  MET B 731  ALA B 735  ASN B 739                    
SITE     3 AC2 11 ILE B 745  HOH B 903  HOH B 909                               
CRYST1   41.500   56.400  139.480  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.024096  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017730  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007169        0.00000