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Database: PDB
Entry: 2B1Z
LinkDB: 2B1Z
Original site: 2B1Z 
HEADER    HORMONE/GROWTH FACTOR RECEPTOR          16-SEP-05   2B1Z              
TITLE     HUMAN ESTROGEN RECEPTOR ALPHA LIGAND-BINDING DOMAIN IN COMPLEX WITH   
TITLE    2 17METHYL-17ALPHA-DIHYDROEQUILENIN AND A GLUCOC INTERACTING PROTEIN 1 
TITLE    3 NR BOX II PEPTIDE                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ESTROGEN RECEPTOR;                                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: LIGAND BINDING DOMAIN;                                     
COMPND   5 SYNONYM: ER, ESTRADIOL RECEPTOR, ER-ALPHA;                           
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: NUCLEAR RECEPTOR COACTIVATOR 2;                            
COMPND  10 CHAIN: C, D;                                                         
COMPND  11 FRAGMENT: RESIDUES 686 - 698;                                        
COMPND  12 SYNONYM: NCOA-2, TRANSCRIPTIONAL INTERMEDIARY FACTOR 2;              
COMPND  13 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: ESR1, ESR, NR3A1;                                              
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: MCSG7 (PET12-DERIVATIVE);                 
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 SYNTHETIC: YES;                                                      
SOURCE  13 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HUMANS.             
KEYWDS    ESTROGEN RECEPTOR, LBD, GRIP PEPTIDE, HORMONE-GROWTH FACTOR RECEPTOR  
KEYWDS   2 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.S.RAJAN,R.W.HSIEH,S.K.SHARMA,G.L.GREENE                             
REVDAT   7   23-AUG-23 2B1Z    1       REMARK                                   
REVDAT   6   20-OCT-21 2B1Z    1       REMARK SEQADV                            
REVDAT   5   24-JUL-19 2B1Z    1       REMARK LINK                              
REVDAT   4   13-JUL-11 2B1Z    1       VERSN                                    
REVDAT   3   24-FEB-09 2B1Z    1       VERSN                                    
REVDAT   2   22-JUL-08 2B1Z    1       JRNL                                     
REVDAT   1   19-SEP-06 2B1Z    0                                                
JRNL        AUTH   R.W.HSIEH,S.S.RAJAN,S.K.SHARMA,G.L.GREENE                    
JRNL        TITL   MOLECULAR CHARACTERIZATION OF A B-RING UNSATURATED ESTROGEN: 
JRNL        TITL 2 IMPLICATIONS FOR CONJUGATED EQUINE ESTROGEN COMPONENTS OF    
JRNL        TITL 3 PREMARIN.                                                    
JRNL        REF    STEROIDS                      V.  73    59 2008              
JRNL        REFN                   ISSN 0039-128X                               
JRNL        PMID   17949766                                                     
JRNL        DOI    10.1016/J.STEROIDS.2007.08.014                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.78 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
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) : 1.78                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 45694                          
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) : 0.206                           
REMARK   3   R VALUE            (WORKING SET) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.238                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2441                            
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) : 1.78                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.83                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3412                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.11                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2560                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 154                          
REMARK   3   BIN FREE R VALUE                    : 0.3290                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3944                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 42                                      
REMARK   3   SOLVENT ATOMS            : 110                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.84                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : -0.05000                                             
REMARK   3    B33 (A**2) : 0.02000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.04000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.140         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.130         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.091         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.801         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.932                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4094 ; 0.005 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5527 ; 0.951 ; 2.002       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   483 ; 4.249 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   171 ;34.915 ;23.977       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   768 ;14.681 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    23 ;21.439 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   647 ; 0.071 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2897 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2096 ; 0.216 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2843 ; 0.318 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   313 ; 0.158 ; 0.500       
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):    41 ; 0.236 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     6 ; 0.168 ; 0.500       
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):  2516 ; 1.549 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3944 ; 2.212 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1785 ; 3.773 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1583 ; 5.375 ; 4.500       
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 : 2                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A    305       A     548      4                      
REMARK   3           1     B    305       B     547      4                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   MEDIUM POSITIONAL  1    A    (A):   1871 ;  0.47 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    A (A**2):   1871 ;  1.83 ;  2.00           
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 2                                  
REMARK   3     CHAIN NAMES                    : C                               
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     C    688       C     695      4                      
REMARK   3           1     C    688       C     695      4                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   MEDIUM POSITIONAL  2    C    (A):     71 ;  0.00 ;  0.50           
REMARK   3   MEDIUM THERMAL     2    C (A**2):     71 ;  0.00 ;  2.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
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   305        A   548                          
REMARK   3    ORIGIN FOR THE GROUP (A):  12.6382   0.3518  -1.8583              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0630 T22:  -0.0793                                     
REMARK   3      T33:  -0.0574 T12:   0.0050                                     
REMARK   3      T13:   0.0143 T23:   0.0084                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0784 L22:   1.0544                                     
REMARK   3      L33:   1.9787 L12:  -0.0687                                     
REMARK   3      L13:   0.3681 L23:  -0.1697                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0276 S12:   0.0368 S13:  -0.0377                       
REMARK   3      S21:  -0.1191 S22:   0.0027 S23:   0.0235                       
REMARK   3      S31:   0.0009 S32:  -0.0069 S33:   0.0248                       
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   305        B   547                          
REMARK   3    ORIGIN FOR THE GROUP (A):   4.4579  -0.5736  22.2392              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0548 T22:  -0.0835                                     
REMARK   3      T33:  -0.0810 T12:  -0.0052                                     
REMARK   3      T13:  -0.0044 T23:  -0.0080                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.7056 L22:   0.8682                                     
REMARK   3      L33:   1.3301 L12:   0.2009                                     
REMARK   3      L13:  -0.8141 L23:  -0.2218                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0618 S12:  -0.1508 S13:   0.0588                       
REMARK   3      S21:   0.0720 S22:  -0.0326 S23:   0.0530                       
REMARK   3      S31:  -0.0586 S32:   0.1037 S33:  -0.0293                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   C   688        C   695                          
REMARK   3    ORIGIN FOR THE GROUP (A):   8.2234 -16.7487 -10.6555              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1631 T22:  -0.0305                                     
REMARK   3      T33:   0.0003 T12:  -0.0218                                     
REMARK   3      T13:  -0.0095 T23:  -0.0528                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  19.0064 L22:   9.7896                                     
REMARK   3      L33:   1.2667 L12:   0.9885                                     
REMARK   3      L13:   4.2556 L23:   1.9695                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0864 S12:   0.0286 S13:  -0.8820                       
REMARK   3      S21:  -0.2719 S22:   0.0249 S23:   0.0660                       
REMARK   3      S31:   0.9651 S32:   0.1139 S33:  -0.1114                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D   688        D   696                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -5.5938  16.2190  27.2495              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1833 T22:  -0.0404                                     
REMARK   3      T33:   0.1310 T12:  -0.0237                                     
REMARK   3      T13:   0.1003 T23:  -0.0789                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   8.6043 L22:   5.7422                                     
REMARK   3      L33:   3.7283 L12:  -4.8675                                     
REMARK   3      L13:   0.2591 L23:  -2.7583                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0556 S12:  -0.1975 S13:   0.6396                       
REMARK   3      S21:   0.1759 S22:  -0.3193 S23:   0.2504                       
REMARK   3      S31:  -0.2457 S32:  -0.6391 S33:   0.2637                       
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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2B1Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034575.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-AUG-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 77.0                               
REMARK 200  PH                             : 8.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : SI 111                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48202                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.780                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.6                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.05100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.5140                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.84                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.40200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.139                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: XTALVIEW                                              
REMARK 200 STARTING MODEL: PDB ENTRY 1ZKY                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.50                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       41.89950            
REMARK 290   SMTRY3   2  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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6870 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19540 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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     ILE A   298                                                      
REMARK 465     LYS A   299                                                      
REMARK 465     ARG A   300                                                      
REMARK 465     SER A   301                                                      
REMARK 465     LYS A   302                                                      
REMARK 465     LYS A   303                                                      
REMARK 465     ASN A   304                                                      
REMARK 465     LEU A   462                                                      
REMARK 465     SER A   463                                                      
REMARK 465     SER A   464                                                      
REMARK 465     THR A   465                                                      
REMARK 465     LEU A   466                                                      
REMARK 465     LYS A   467                                                      
REMARK 465     SER A   468                                                      
REMARK 465     LEU A   469                                                      
REMARK 465     GLU A   470                                                      
REMARK 465     LEU A   549                                                      
REMARK 465     HIS A   550                                                      
REMARK 465     ALA A   551                                                      
REMARK 465     PRO A   552                                                      
REMARK 465     THR A   553                                                      
REMARK 465     SER A   554                                                      
REMARK 465     ILE B   298                                                      
REMARK 465     LYS B   299                                                      
REMARK 465     ARG B   300                                                      
REMARK 465     SER B   301                                                      
REMARK 465     LYS B   302                                                      
REMARK 465     LYS B   303                                                      
REMARK 465     ASN B   304                                                      
REMARK 465     SER B   463                                                      
REMARK 465     SER B   464                                                      
REMARK 465     THR B   465                                                      
REMARK 465     LEU B   466                                                      
REMARK 465     GLU B   471                                                      
REMARK 465     ARG B   548                                                      
REMARK 465     LEU B   549                                                      
REMARK 465     HIS B   550                                                      
REMARK 465     ALA B   551                                                      
REMARK 465     PRO B   552                                                      
REMARK 465     THR B   553                                                      
REMARK 465     SER B   554                                                      
REMARK 465     LYS C   686                                                      
REMARK 465     HIS C   687                                                      
REMARK 465     ASP C   696                                                      
REMARK 465     SER C   697                                                      
REMARK 465     SER C   698                                                      
REMARK 465     LYS D   686                                                      
REMARK 465     HIS D   687                                                      
REMARK 465     SER D   697                                                      
REMARK 465     SER D   698                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LEU A 306      -37.35   -153.01                                   
REMARK 500    GLU B 330       30.64    -98.92                                   
REMARK 500    PRO B 333        3.25    -69.65                                   
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 17M A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 17M B 202                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2B1V   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2B23   RELATED DB: PDB                                   
DBREF  2B1Z A  298   554  UNP    P03372   ESR1_HUMAN     298    554             
DBREF  2B1Z B  298   554  UNP    P03372   ESR1_HUMAN     298    554             
DBREF  2B1Z C  686   698  UNP    Q15596   NCOA2_HUMAN    686    698             
DBREF  2B1Z D  686   698  UNP    Q15596   NCOA2_HUMAN    686    698             
SEQADV 2B1Z CME A  381  UNP  P03372    CYS   381 MODIFIED RESIDUE               
SEQADV 2B1Z CME A  417  UNP  P03372    CYS   417 MODIFIED RESIDUE               
SEQADV 2B1Z CME A  530  UNP  P03372    CYS   530 MODIFIED RESIDUE               
SEQADV 2B1Z SER A  537  UNP  P03372    TYR   537 ENGINEERED MUTATION            
SEQADV 2B1Z CME B  381  UNP  P03372    CYS   381 MODIFIED RESIDUE               
SEQADV 2B1Z CME B  417  UNP  P03372    CYS   417 MODIFIED RESIDUE               
SEQADV 2B1Z CME B  530  UNP  P03372    CYS   530 MODIFIED RESIDUE               
SEQADV 2B1Z SER B  537  UNP  P03372    TYR   537 ENGINEERED MUTATION            
SEQRES   1 A  257  ILE LYS ARG SER LYS LYS ASN SER LEU ALA LEU SER LEU          
SEQRES   2 A  257  THR ALA ASP GLN MET VAL SER ALA LEU LEU ASP ALA GLU          
SEQRES   3 A  257  PRO PRO ILE LEU TYR SER GLU TYR ASP PRO THR ARG PRO          
SEQRES   4 A  257  PHE SER GLU ALA SER MET MET GLY LEU LEU THR ASN LEU          
SEQRES   5 A  257  ALA ASP ARG GLU LEU VAL HIS MET ILE ASN TRP ALA LYS          
SEQRES   6 A  257  ARG VAL PRO GLY PHE VAL ASP LEU THR LEU HIS ASP GLN          
SEQRES   7 A  257  VAL HIS LEU LEU GLU CME ALA TRP LEU GLU ILE LEU MET          
SEQRES   8 A  257  ILE GLY LEU VAL TRP ARG SER MET GLU HIS PRO GLY LYS          
SEQRES   9 A  257  LEU LEU PHE ALA PRO ASN LEU LEU LEU ASP ARG ASN GLN          
SEQRES  10 A  257  GLY LYS CME VAL GLU GLY MET VAL GLU ILE PHE ASP MET          
SEQRES  11 A  257  LEU LEU ALA THR SER SER ARG PHE ARG MET MET ASN LEU          
SEQRES  12 A  257  GLN GLY GLU GLU PHE VAL CYS LEU LYS SER ILE ILE LEU          
SEQRES  13 A  257  LEU ASN SER GLY VAL TYR THR PHE LEU SER SER THR LEU          
SEQRES  14 A  257  LYS SER LEU GLU GLU LYS ASP HIS ILE HIS ARG VAL LEU          
SEQRES  15 A  257  ASP LYS ILE THR ASP THR LEU ILE HIS LEU MET ALA LYS          
SEQRES  16 A  257  ALA GLY LEU THR LEU GLN GLN GLN HIS GLN ARG LEU ALA          
SEQRES  17 A  257  GLN LEU LEU LEU ILE LEU SER HIS ILE ARG HIS MET SER          
SEQRES  18 A  257  ASN LYS GLY MET GLU HIS LEU TYR SER MET LYS CME LYS          
SEQRES  19 A  257  ASN VAL VAL PRO LEU SER ASP LEU LEU LEU GLU MET LEU          
SEQRES  20 A  257  ASP ALA HIS ARG LEU HIS ALA PRO THR SER                      
SEQRES   1 B  257  ILE LYS ARG SER LYS LYS ASN SER LEU ALA LEU SER LEU          
SEQRES   2 B  257  THR ALA ASP GLN MET VAL SER ALA LEU LEU ASP ALA GLU          
SEQRES   3 B  257  PRO PRO ILE LEU TYR SER GLU TYR ASP PRO THR ARG PRO          
SEQRES   4 B  257  PHE SER GLU ALA SER MET MET GLY LEU LEU THR ASN LEU          
SEQRES   5 B  257  ALA ASP ARG GLU LEU VAL HIS MET ILE ASN TRP ALA LYS          
SEQRES   6 B  257  ARG VAL PRO GLY PHE VAL ASP LEU THR LEU HIS ASP GLN          
SEQRES   7 B  257  VAL HIS LEU LEU GLU CME ALA TRP LEU GLU ILE LEU MET          
SEQRES   8 B  257  ILE GLY LEU VAL TRP ARG SER MET GLU HIS PRO GLY LYS          
SEQRES   9 B  257  LEU LEU PHE ALA PRO ASN LEU LEU LEU ASP ARG ASN GLN          
SEQRES  10 B  257  GLY LYS CME VAL GLU GLY MET VAL GLU ILE PHE ASP MET          
SEQRES  11 B  257  LEU LEU ALA THR SER SER ARG PHE ARG MET MET ASN LEU          
SEQRES  12 B  257  GLN GLY GLU GLU PHE VAL CYS LEU LYS SER ILE ILE LEU          
SEQRES  13 B  257  LEU ASN SER GLY VAL TYR THR PHE LEU SER SER THR LEU          
SEQRES  14 B  257  LYS SER LEU GLU GLU LYS ASP HIS ILE HIS ARG VAL LEU          
SEQRES  15 B  257  ASP LYS ILE THR ASP THR LEU ILE HIS LEU MET ALA LYS          
SEQRES  16 B  257  ALA GLY LEU THR LEU GLN GLN GLN HIS GLN ARG LEU ALA          
SEQRES  17 B  257  GLN LEU LEU LEU ILE LEU SER HIS ILE ARG HIS MET SER          
SEQRES  18 B  257  ASN LYS GLY MET GLU HIS LEU TYR SER MET LYS CME LYS          
SEQRES  19 B  257  ASN VAL VAL PRO LEU SER ASP LEU LEU LEU GLU MET LEU          
SEQRES  20 B  257  ASP ALA HIS ARG LEU HIS ALA PRO THR SER                      
SEQRES   1 C   13  LYS HIS LYS ILE LEU HIS ARG LEU LEU GLN ASP SER SER          
SEQRES   1 D   13  LYS HIS LYS ILE LEU HIS ARG LEU LEU GLN ASP SER SER          
MODRES 2B1Z CME A  381  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 2B1Z CME A  417  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 2B1Z CME A  530  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 2B1Z CME B  381  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 2B1Z CME B  417  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 2B1Z CME B  530  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
HET    CME  A 381      16                                                       
HET    CME  A 417      10                                                       
HET    CME  A 530      10                                                       
HET    CME  B 381      16                                                       
HET    CME  B 417      10                                                       
HET    CME  B 530      10                                                       
HET    17M  A 201      21                                                       
HET    17M  B 202      21                                                       
HETNAM     CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE                                 
HETNAM     17M 17-METHYL-17-ALPHA-DIHYDROEQUILENIN                              
FORMUL   1  CME    6(C5 H11 N O3 S2)                                            
FORMUL   5  17M    2(C19 H22 O2)                                                
FORMUL   7  HOH   *110(H2 O)                                                    
HELIX    1   1 LEU A  306  LEU A  310  5                                   5    
HELIX    2   2 THR A  311  ALA A  322  1                                  12    
HELIX    3   3 SER A  338  ARG A  363  1                                  26    
HELIX    4   4 GLY A  366  LEU A  370  5                                   5    
HELIX    5   5 THR A  371  SER A  395  1                                  25    
HELIX    6   6 ASN A  413  VAL A  418  5                                   6    
HELIX    7   7 GLY A  420  ASN A  439  1                                  20    
HELIX    8   8 GLN A  441  SER A  456  1                                  16    
HELIX    9   9 GLU A  471  ALA A  493  1                                  23    
HELIX   10  10 THR A  496  ASN A  532  1                                  37    
HELIX   11  11 SER A  537  ALA A  546  1                                  10    
HELIX   12  12 HIS A  547  ARG A  548  5                                   2    
HELIX   13  13 SER B  305  LEU B  310  5                                   6    
HELIX   14  14 THR B  311  ALA B  322  1                                  12    
HELIX   15  15 SER B  338  LYS B  362  1                                  25    
HELIX   16  16 THR B  371  SER B  395  1                                  25    
HELIX   17  17 ARG B  412  LYS B  416  1                                   5    
HELIX   18  18 GLY B  420  ASN B  439  1                                  20    
HELIX   19  19 GLN B  441  SER B  456  1                                  16    
HELIX   20  20 GLY B  457  PHE B  461  5                                   5    
HELIX   21  21 LYS B  472  ALA B  493  1                                  22    
HELIX   22  22 THR B  496  LYS B  531  1                                  36    
HELIX   23  23 SER B  537  ALA B  546  1                                  10    
HELIX   24  24 LYS C  688  GLN C  695  1                                   8    
HELIX   25  25 LYS D  688  ASP D  696  1                                   9    
SHEET    1   A 2 LYS A 401  ALA A 405  0                                        
SHEET    2   A 2 LEU A 408  ASP A 411 -1  O  LEU A 410   N  LEU A 402           
SHEET    1   B 2 LYS B 401  ALA B 405  0                                        
SHEET    2   B 2 LEU B 408  ASP B 411 -1  O  LEU B 410   N  LEU B 402           
LINK         C   GLU A 380                 N   CME A 381     1555   1555  1.33  
LINK         C   CME A 381                 N   ALA A 382     1555   1555  1.33  
LINK         C   LYS A 416                 N   CME A 417     1555   1555  1.33  
LINK         C   CME A 417                 N   VAL A 418     1555   1555  1.33  
LINK         C   LYS A 529                 N   CME A 530     1555   1555  1.33  
LINK         C   CME A 530                 N   LYS A 531     1555   1555  1.33  
LINK         C   GLU B 380                 N   CME B 381     1555   1555  1.33  
LINK         C   CME B 381                 N   ALA B 382     1555   1555  1.33  
LINK         C   LYS B 416                 N   CME B 417     1555   1555  1.33  
LINK         C   CME B 417                 N   VAL B 418     1555   1555  1.33  
LINK         C   LYS B 529                 N   CME B 530     1555   1555  1.33  
LINK         C   CME B 530                 N   LYS B 531     1555   1555  1.33  
SITE     1 AC1  8 HOH A   8  GLU A 353  LEU A 387  ARG A 394                    
SITE     2 AC1  8 PHE A 404  MET A 421  HIS A 524  LEU A 525                    
SITE     1 AC2  7 HOH B  42  GLU B 353  LEU B 387  ARG B 394                    
SITE     2 AC2  7 MET B 421  HIS B 524  LEU B 525                               
CRYST1   55.923   83.799   58.523  90.00 108.94  90.00 P 1 21 1      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      0.017882  0.000000  0.006137        0.00000                         
SCALE2      0.000000  0.011933  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018065        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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