PDB Short entry for 1AKF
HEADER    TRANSCRIPTION REGULATION                16-MAY-97   1AKF              
TITLE     HOMOLOGOUS-EXTENSION-BASED MODEL OF HUMAN ESTROGEN RECEPTOR           
TITLE    2 WITH BOUND ESTRADIOL, THEORETICAL MODEL                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ESTROGEN RECEPTOR;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: LIGAND-BINDING DOMAIN;                                     
COMPND   5 SYNONYM: HER-LBD;                                                    
COMPND   6 OTHER_DETAILS: HUMAN ESTROGEN RECEPTOR WITH BOUND ESTRADIOL          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGAN: UTERUS, BREAST, BRAIN;                                        
SOURCE   5 CELLULAR_LOCATION: CYTOSOL AND NUCLEUS                               
KEYWDS    TRANSCRIPTION REGULATION, STEROID RECEPTOR, NUCLEAR HORMONE           
KEYWDS   2 RECEPTOR, ALPHA-DOMAIN STRUCTURE, EUKARYOTIC TRANSCRIPTION           
KEYWDS   3 FACTOR                                                               
EXPDTA    THEORETICAL MODEL                                                     
AUTHOR    G.J.MAALOUF,W.XU,T.F.SMITH,S.C.MOHR                                   
REVDAT   2   01-APR-03 1AKF    1       JRNL                                     
REVDAT   1   15-APR-98 1AKF    0                                                
JRNL        AUTH   G.J.MAALOUF,W.XU,T.F.SMITH,S.C.MOHR                          
JRNL        TITL   HOMOLOGY MODEL FOR THE LIGAND-BINDING DOMAIN OF              
JRNL        TITL 2 THE HUMAN ESTROGEN RECEPTOR.                                 
JRNL        REF    J.BIOMOL.STRUCT.DYN.          V.  15   841 1998              
JRNL        REFN   ASTM JBSDD6  US ISSN 0739-1102                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   G.M.ANSTEAD,K.E.CARLSON,J.A.KATZENELLENBOGEN                 
REMARK   1  TITL   THE ESTRADIOL PHARMACOPHORE: LIGAND                          
REMARK   1  TITL 2 STRUCTURE-ESTROGEN RECEPTOR BINDING AFFINITY                 
REMARK   1  TITL 3 RELATIONSHIPS AND A MODEL FOR THE RECEPTOR BINDING           
REMARK   1  TITL 4 SITE                                                         
REMARK   1  REF    STEROIDS                      V.  62   268 1997              
REMARK   1  REFN   ASTM STEDAM  US ISSN 0039-128X                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   K.EKENA,K.E.WEIS,J.A.KATZENELLENBOGEN,                       
REMARK   1  AUTH 2 B.S.KATZENELLENBOGEN                                         
REMARK   1  TITL   DIFFERENT RESIDUES OF THE HUMAN ESTROGEN RECEPTOR            
REMARK   1  TITL 2 ARE INVOLVED IN THE RECOGNITION OF STRUCTURALLY              
REMARK   1  TITL 3 DIVERSE ESTROGENS AND ANTIESTROGENS                          
REMARK   1  REF    J.BIOL.CHEM.                  V. 272  5069 1997              
REMARK   1  REFN   ASTM JBCHA3  US ISSN 0021-9258                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   K.EKENA,K.E.WEIS,J.A.KATZENELLENBOGEN,                       
REMARK   1  AUTH 2 B.S.KATZENELLENBOGEN                                         
REMARK   1  TITL   IDENTIFICATION OF AMINO ACIDS IN THE HORMONE                 
REMARK   1  TITL 2 BINDING DOMAIN OF THE HUMAN ESTROGEN RECEPTOR                
REMARK   1  TITL 3 IMPORTANT IN ESTROGEN BINDING                                
REMARK   1  REF    J.BIOL.CHEM.                  V. 271 20053 1996              
REMARK   1  REFN   ASTM JBCHA3  US ISSN 0021-9258                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   J.M.WURTZ,W.BOURGUET,J.P.RENAUD,V.VIVAT,P.CHAMBON,           
REMARK   1  AUTH 2 D.MORAS,H.GRONEMEYER                                         
REMARK   1  TITL   A CANONICAL STRUCTURE FOR THE LIGAND-BINDING                 
REMARK   1  TITL 2 DOMAIN OF NUCLEAR RECEPTORS                                  
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   3    87 1996              
REMARK   1  REFN   ASTM NSBIEW  US ISSN 1072-8368                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   J.M.WURTZ,W.BOURGUET,J.P.RENAUD,V.VIVAT,P.CHAMBON,           
REMARK   1  AUTH 2 D.MORAS,H.GRONEMEYER                                         
REMARK   1  TITL   ERRATUM. A CANONICAL STRUCTURE FOR THE                       
REMARK   1  TITL 2 LIGAND-BINDING DOMAIN OF NUCLEAR RECEPTORS                   
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   3   206 1996              
REMARK   1  REFN   ASTM NSBIEW  US ISSN 1072-8368                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   D.A.SEIELSTAD,K.E.CARLSON,P.J.KUSHNER,G.L.GREENE,            
REMARK   1  AUTH 2 J.A.KATZENELLENBOGEN                                         
REMARK   1  TITL   ANALYSIS OF THE STRUCTURAL CORE OF THE HUMAN                 
REMARK   1  TITL 2 ESTROGEN RECEPTOR LIGAND BINDING DOMAIN BY                   
REMARK   1  TITL 3 SELECTIVE PROTEOLYSIS/MASS SPECTROMETRIC ANALYSIS            
REMARK   1  REF    BIOCHEMISTRY                  V.  34 12605 1995              
REMARK   1  REFN   ASTM BICHAW  US ISSN 0006-2960                               
REMARK   1 REFERENCE 7                                                          
REMARK   1  AUTH   R.L.WAGNER,J.W.APRILETTI,M.E.MCGRATH,B.L.WEST,               
REMARK   1  AUTH 2 J.D.BAXTER,R.J.FLETTERICK                                    
REMARK   1  TITL   A STRUCTURAL ROLE FOR HORMONE IN THE THYROID                 
REMARK   1  TITL 2 HORMONE RECEPTOR                                             
REMARK   1  REF    NATURE                        V. 378   690 1995              
REMARK   1  REFN   ASTM NATUAS  UK ISSN 0028-0836                               
REMARK   1 REFERENCE 8                                                          
REMARK   1  AUTH   J.P.RENAUD,N.ROCHEL,M.RUFF,V.VIVAT,P.CHAMBON,                
REMARK   1  AUTH 2 H.GRONEMEYER,D.MORAS                                         
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE RAR-GAMMA LIGAND-BINDING            
REMARK   1  TITL 2 DOMAIN BOUND TO ALL-TRANS RETINOIC ACID                      
REMARK   1  REF    NATURE                        V. 378   681 1995              
REMARK   1  REFN   ASTM NATUAS  UK ISSN 0028-0836                               
REMARK   1 REFERENCE 9                                                          
REMARK   1  AUTH   W.BOURGUET,M.RUFF,P.CHAMBON,H.GRONEMEYER,D.MORAS             
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE LIGAND-BINDING DOMAIN OF            
REMARK   1  TITL 2 THE HUMAN NUCLEAR RECEPTOR RXR-ALPHA                         
REMARK   1  REF    NATURE                        V. 375   377 1995              
REMARK   1  REFN   ASTM NATUAS  UK ISSN 0028-0836                               
REMARK   1 REFERENCE 10                                                         
REMARK   1  AUTH   L.TORA,A.MULLICK,D.METZGER,M.PONGLIKITMONGKOL,               
REMARK   1  AUTH 2 I.PARK,P.CHAMBON                                             
REMARK   1  TITL   THE CLONED HUMAN OESTROGEN RECEPTOR CONTAINS A               
REMARK   1  TITL 2 MUTATION WHICH ALTERS ITS HORMONE BINDING                    
REMARK   1  TITL 3 PROPERTIES                                                   
REMARK   1  REF    EMBO J.                       V.   8  1981 1989              
REMARK   1  REFN   ASTM EMJODG  UK ISSN 0261-4189                               
REMARK   1 REFERENCE 11                                                         
REMARK   1  AUTH   G.L.GREENE,P.GILNA,M.WATERFIELD,A.BAKER,Y.HORT,              
REMARK   1  AUTH 2 J.SHINE                                                      
REMARK   1  TITL   SEQUENCE AND EXPRESSION OF HUMAN ESTROGEN RECEPTOR           
REMARK   1  TITL 2 COMPLEMENTARY DNA                                            
REMARK   1  REF    SCIENCE                       V. 231  1150 1986              
REMARK   1  REFN   ASTM SCIEAS  US ISSN 0036-8075                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFINEMENT DETAILS ARE GIVEN IN THE       
REMARK   3  JRNL REFERENCE ABOVE.                                               
REMARK   4                                                                      
REMARK   4 1AKF COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998                       
REMARK   6                                                                      
REMARK   6 WITH THE EXCEPTION OF RESIDUES 494 - 502 AND THE OMEGA LOOP          
REMARK   6 (RESIDUES 335 - 342), NO SPECIAL EFFORT HAS BEEN MADE TO             
REMARK   6 OPTIMIZE LOOP GEOMETRY.  CONSEQUENTLY THE LOOPS MUST BE              
REMARK   6 CONSIDERED FIRST APPROXIMATIONS TO THE TRUE STRUCTURE.               
REMARK   7                                                                      
REMARK   7 LIGAND DOCKED USING 9 CONSTRAINTS: A-RING HYDROXYL OF E2             
REMARK   7 DONATES H-BOND TO E397, ACCEPTS ONE FROM R394; D-RING                
REMARK   7 HYDROXYL OF E2 ACCEPTS H-BOND FROM Y526 VIA A BRIDGING               
REMARK   7 WATER MOLECULE; C-11-BETA POSITION IS 12A FROM C-ALPHA OF            
REMARK   7 A350; C-3 IS 5A FROM C-ALPHA OF W393; C-15 IS 6A FROM                
REMARK   7 C-ALPHA OF F425; C-16 IS 8A FROM C-ALPHA OF L525 AND 6A              
REMARK   7 FROM C-ALPHA OF M528; C-18 IS 3A FROM C-ALPHA OF G521.               
REMARK 220                                                                      
REMARK 220 EXPERIMENTAL DETAILS                                                 
REMARK 220  EXPERIMENT TYPE                : THEORETICAL MODELLING              
REMARK 220                                                                      
REMARK 220 REMARK: NULL                                                         
REMARK 225                                                                      
REMARK 225 THEORETICAL MODEL                                                    
REMARK 225 THE COORDINATES IN THIS ENTRY REPRESENT A MODEL STRUCTURE.           
REMARK 225 PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND                
REMARK 225 SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE                   
REMARK 225 RECORDS ARE MEANINGLESS.                                             
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   309                                                      
REMARK 465     LEU A   310                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3)                  
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991                                
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS A 398   NE2   HIS A 398   CD2   -0.075                        
REMARK 500    HIS A 476   NE2   HIS A 476   CD2   -0.074                        
REMARK 500    HIS A 488   NE2   HIS A 488   CD2   -0.074                        
REMARK 500    HIS A 516   NE2   HIS A 516   CD2   -0.075                        
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  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ILE A 326      131.74     71.57                                   
REMARK 500    LEU A 327      -53.22     69.30                                   
REMARK 500    SER A 338      -70.87     58.67                                   
REMARK 500    MET A 343     -105.77     51.23                                   
REMARK 500    LEU A 372      -58.46     76.62                                   
REMARK 500    LEU A 466      149.04     70.22                                   
REMARK 500    VAL A 533     -113.42     65.73                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 ALA A  405    PRO A  406                  145.97                     
REMARK 500 GLU A  419    GLY A  420                  146.08                     
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED            
REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE                 
REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL                 
REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE          
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH  1000        DISTANCE = 22.24 ANGSTROMS                       
REMARK 525    HOH  1075        DISTANCE = 31.11 ANGSTROMS                       
REMARK 525    HOH  1079        DISTANCE = 30.56 ANGSTROMS                       
REMARK 525    HOH  1109        DISTANCE = 16.41 ANGSTROMS                       
REMARK 525    HOH  1110        DISTANCE = 25.11 ANGSTROMS                       
REMARK 525    HOH  1118        DISTANCE = 29.61 ANGSTROMS                       
REMARK 525    HOH  1119        DISTANCE = 19.82 ANGSTROMS                       
REMARK 525    HOH  1123        DISTANCE = 31.11 ANGSTROMS                       
REMARK 525    HOH  1141        DISTANCE = 23.24 ANGSTROMS                       
REMARK 525    HOH  1150        DISTANCE = 26.09 ANGSTROMS                       
REMARK 525    HOH  1152        DISTANCE = 26.90 ANGSTROMS                       
REMARK 525    HOH  1166        DISTANCE = 25.13 ANGSTROMS                       
REMARK 525    HOH  1180        DISTANCE = 18.76 ANGSTROMS                       
REMARK 525    HOH  1186        DISTANCE = 29.28 ANGSTROMS                       
REMARK 525    HOH  1228        DISTANCE = 17.21 ANGSTROMS                       
REMARK 525    HOH  1270        DISTANCE = 24.12 ANGSTROMS                       
REMARK 525    HOH  1318        DISTANCE = 23.70 ANGSTROMS                       
REMARK 525    HOH  1341        DISTANCE = 19.61 ANGSTROMS                       
REMARK 525    HOH  1353        DISTANCE = 18.15 ANGSTROMS                       
REMARK 525    HOH  1368        DISTANCE = 25.90 ANGSTROMS                       
REMARK 525    HOH  1388        DISTANCE = 18.17 ANGSTROMS                       
REMARK 525    HOH  1422        DISTANCE = 11.45 ANGSTROMS                       
REMARK 525    HOH  1436        DISTANCE = 21.95 ANGSTROMS                       
REMARK 525    HOH  1443        DISTANCE = 23.25 ANGSTROMS                       
REMARK 525    HOH  1477        DISTANCE = 18.81 ANGSTROMS                       
REMARK 525    HOH  1498        DISTANCE = 22.31 ANGSTROMS                       
REMARK 525    HOH  1508        DISTANCE = 20.80 ANGSTROMS                       
REMARK 525    HOH  1527        DISTANCE = 25.28 ANGSTROMS                       
REMARK 525    HOH  1541        DISTANCE = 26.92 ANGSTROMS                       
REMARK 525    HOH  1557        DISTANCE = 22.14 ANGSTROMS                       
REMARK 525    HOH  1561        DISTANCE = 27.83 ANGSTROMS                       
REMARK 525    HOH  1567        DISTANCE = 25.24 ANGSTROMS                       
REMARK 525    HOH  1573        DISTANCE = 27.99 ANGSTROMS                       
REMARK 525    HOH  1579        DISTANCE = 21.34 ANGSTROMS                       
REMARK 525    HOH  1608        DISTANCE = 17.65 ANGSTROMS                       
REMARK 525    HOH  1618        DISTANCE = 27.98 ANGSTROMS                       
REMARK 525    HOH  1677        DISTANCE = 17.75 ANGSTROMS                       
REMARK 525    HOH  1690        DISTANCE = 20.00 ANGSTROMS                       
REMARK 525    HOH  1691        DISTANCE = 19.87 ANGSTROMS                       
REMARK 525    HOH  1704        DISTANCE = 16.70 ANGSTROMS                       
REMARK 525    HOH  1817        DISTANCE = 13.63 ANGSTROMS                       
REMARK 525    HOH  1826        DISTANCE = 10.45 ANGSTROMS                       
REMARK 525    HOH  2044        DISTANCE = 10.15 ANGSTROMS                       
REMARK 525    HOH  2156        DISTANCE = 14.76 ANGSTROMS                       
REMARK 525    HOH  2192        DISTANCE = 16.14 ANGSTROMS                       
REMARK 525    HOH  2205        DISTANCE = 18.41 ANGSTROMS                       
REMARK 525    HOH  2228        DISTANCE = 10.87 ANGSTROMS                       
REMARK 525    HOH  2281        DISTANCE = 14.97 ANGSTROMS                       
REMARK 525    HOH  2302        DISTANCE = 22.52 ANGSTROMS                       
REMARK 525    HOH  2325        DISTANCE = 22.78 ANGSTROMS                       
REMARK 525    HOH  2326        DISTANCE = 25.42 ANGSTROMS                       
REMARK 525    HOH  2406        DISTANCE = 14.95 ANGSTROMS                       
REMARK 525    HOH  2438        DISTANCE = 12.83 ANGSTROMS                       
REMARK 525    HOH  2442        DISTANCE =  7.44 ANGSTROMS                       
REMARK 525    HOH  2470        DISTANCE = 13.99 ANGSTROMS                       
REMARK 525    HOH  2498        DISTANCE =  8.76 ANGSTROMS                       
REMARK 525    HOH  2506        DISTANCE = 17.25 ANGSTROMS                       
REMARK 525    HOH  2571        DISTANCE = 13.95 ANGSTROMS                       
REMARK 525    HOH  2603        DISTANCE = 11.46 ANGSTROMS                       
REMARK 525    HOH  2692        DISTANCE = 17.00 ANGSTROMS                       
REMARK 525    HOH  2714        DISTANCE = 12.35 ANGSTROMS                       
REMARK 525    HOH  2785        DISTANCE = 18.40 ANGSTROMS                       
REMARK 525    HOH  2817        DISTANCE = 21.41 ANGSTROMS                       
REMARK 525    HOH  2853        DISTANCE = 16.41 ANGSTROMS                       
REMARK 525    HOH  2920        DISTANCE = 32.87 ANGSTROMS                       
REMARK 525    HOH  2922        DISTANCE = 32.55 ANGSTROMS                       
REMARK 525    HOH  2946        DISTANCE = 25.48 ANGSTROMS                       
REMARK 525    HOH  2954        DISTANCE = 23.61 ANGSTROMS                       
REMARK 525    HOH  2971        DISTANCE = 29.14 ANGSTROMS                       
REMARK 525    HOH  3009        DISTANCE = 22.56 ANGSTROMS                       
REMARK 525    HOH  3022        DISTANCE = 20.17 ANGSTROMS                       
REMARK 525    HOH  3027        DISTANCE = 14.17 ANGSTROMS                       
REMARK 525    HOH  3039        DISTANCE = 21.04 ANGSTROMS                       
REMARK 525    HOH  3078        DISTANCE = 14.78 ANGSTROMS                       
REMARK 525    HOH  3094        DISTANCE = 19.09 ANGSTROMS                       
REMARK 525    HOH  3105        DISTANCE = 17.93 ANGSTROMS                       
REMARK 525    HOH  3118        DISTANCE = 16.80 ANGSTROMS                       
REMARK 525    HOH  3131        DISTANCE = 22.73 ANGSTROMS                       
REMARK 525    HOH  3169        DISTANCE = 27.31 ANGSTROMS                       
REMARK 525    HOH  3181        DISTANCE = 25.18 ANGSTROMS                       
REMARK 525    HOH  3201        DISTANCE = 25.01 ANGSTROMS                       
REMARK 525    HOH  3204        DISTANCE = 20.57 ANGSTROMS                       
REMARK 525    HOH  3234        DISTANCE = 21.73 ANGSTROMS                       
REMARK 525    HOH  3239        DISTANCE = 23.41 ANGSTROMS                       
REMARK 525    HOH  3243        DISTANCE = 16.69 ANGSTROMS                       
REMARK 525    HOH  3250        DISTANCE = 23.18 ANGSTROMS                       
REMARK 525    HOH  3256        DISTANCE = 22.68 ANGSTROMS                       
REMARK 525    HOH  3277        DISTANCE = 21.42 ANGSTROMS                       
REMARK 525    HOH  3329        DISTANCE = 20.81 ANGSTROMS                       
REMARK 525    HOH  3364        DISTANCE = 23.63 ANGSTROMS                       
REMARK 525    HOH  3403        DISTANCE = 27.36 ANGSTROMS                       
REMARK 525    HOH  3410        DISTANCE = 31.11 ANGSTROMS                       
REMARK 525    HOH  3425        DISTANCE = 25.85 ANGSTROMS                       
REMARK 525    HOH  3436        DISTANCE = 25.50 ANGSTROMS                       
REMARK 525    HOH  3455        DISTANCE = 22.80 ANGSTROMS                       
REMARK 525    HOH  3489        DISTANCE = 28.09 ANGSTROMS                       
REMARK 525    HOH  3493        DISTANCE = 26.23 ANGSTROMS                       
REMARK 525    HOH  3584        DISTANCE = 24.47 ANGSTROMS                       
REMARK 525    HOH  3602        DISTANCE = 22.13 ANGSTROMS                       
REMARK 525    HOH  3610        DISTANCE = 24.20 ANGSTROMS                       
REMARK 525    HOH  3618        DISTANCE = 22.12 ANGSTROMS                       
REMARK 525    HOH  3735        DISTANCE = 12.06 ANGSTROMS                       
REMARK 525    HOH  3743        DISTANCE = 23.92 ANGSTROMS                       
REMARK 525    HOH  3766        DISTANCE = 17.17 ANGSTROMS                       
REMARK 525    HOH  3777        DISTANCE = 18.61 ANGSTROMS                       
REMARK 525    HOH  3791        DISTANCE = 17.27 ANGSTROMS                       
REMARK 525    HOH  3805        DISTANCE = 18.20 ANGSTROMS                       
REMARK 525    HOH  3823        DISTANCE = 11.01 ANGSTROMS                       
REMARK 525    HOH  3863        DISTANCE = 14.54 ANGSTROMS                       
REMARK 525    HOH  3930        DISTANCE = 11.08 ANGSTROMS                       
REMARK 525    HOH  3936        DISTANCE = 13.09 ANGSTROMS                       
REMARK 525    HOH  4035        DISTANCE = 22.26 ANGSTROMS                       
REMARK 525    HOH  4059        DISTANCE = 21.97 ANGSTROMS                       
REMARK 525    HOH  4060        DISTANCE = 18.34 ANGSTROMS                       
REMARK 525    HOH  4073        DISTANCE = 23.83 ANGSTROMS                       
REMARK 525    HOH  4088        DISTANCE = 18.59 ANGSTROMS                       
REMARK 525    HOH  4170        DISTANCE = 16.12 ANGSTROMS                       
REMARK 525    HOH  4636        DISTANCE = 16.98 ANGSTROMS                       
REMARK 525    HOH  4660        DISTANCE = 18.52 ANGSTROMS                       
REMARK 525    HOH  4674        DISTANCE = 18.67 ANGSTROMS                       
REMARK 525    HOH  4685        DISTANCE = 17.67 ANGSTROMS                       
REMARK 525    HOH  4698        DISTANCE = 19.72 ANGSTROMS                       
REMARK 525    HOH  4739        DISTANCE = 13.62 ANGSTROMS                       
REMARK 525    HOH  4792        DISTANCE = 17.73 ANGSTROMS                       
REMARK 525    HOH  4825        DISTANCE = 17.11 ANGSTROMS                       
REMARK 525    HOH  4834        DISTANCE = 14.21 ANGSTROMS                       
REMARK 525    HOH  5422        DISTANCE = 23.43 ANGSTROMS                       
REMARK 525    HOH  5438        DISTANCE = 23.12 ANGSTROMS                       
REMARK 525    HOH  5451        DISTANCE = 26.75 ANGSTROMS                       
REMARK 525    HOH  5473        DISTANCE = 18.47 ANGSTROMS                       
REMARK 525    HOH  5488        DISTANCE = 16.79 ANGSTROMS                       
REMARK 525    HOH  5507        DISTANCE = 17.78 ANGSTROMS                       
REMARK 525    HOH  5550        DISTANCE = 17.87 ANGSTROMS                       
REMARK 525    HOH  5647        DISTANCE = 16.53 ANGSTROMS                       
REMARK 525    HOH  5670        DISTANCE = 14.63 ANGSTROMS                       
REMARK 525    HOH  5675        DISTANCE = 10.11 ANGSTROMS                       
REMARK 525    HOH  5741        DISTANCE = 12.79 ANGSTROMS                       
REMARK 525    HOH  5800        DISTANCE =  7.82 ANGSTROMS                       
REMARK 525    HOH  5845        DISTANCE = 10.48 ANGSTROMS                       
REMARK 525    HOH  5858        DISTANCE =  9.14 ANGSTROMS                       
REMARK 525    HOH  5872        DISTANCE = 11.05 ANGSTROMS                       
REMARK 525    HOH  5896        DISTANCE = 21.41 ANGSTROMS                       
REMARK 525    HOH  5903        DISTANCE = 23.86 ANGSTROMS                       
REMARK 525    HOH  5914        DISTANCE = 22.74 ANGSTROMS                       
REMARK 525    HOH  5919        DISTANCE =  9.98 ANGSTROMS                       
REMARK 525    HOH  5925        DISTANCE = 23.02 ANGSTROMS                       
REMARK 525    HOH  5951        DISTANCE = 13.28 ANGSTROMS                       
REMARK 525    HOH  5989        DISTANCE = 25.82 ANGSTROMS                       
REMARK 525    HOH  5991        DISTANCE = 19.96 ANGSTROMS                       
REMARK 525    HOH  6011        DISTANCE = 25.63 ANGSTROMS                       
REMARK 525    HOH  6042        DISTANCE = 29.49 ANGSTROMS                       
REMARK 525    HOH  6054        DISTANCE = 30.83 ANGSTROMS                       
REMARK 525    HOH  6071        DISTANCE = 28.11 ANGSTROMS                       
REMARK 525    HOH  6103        DISTANCE = 23.03 ANGSTROMS                       
REMARK 525    HOH  6113        DISTANCE = 31.88 ANGSTROMS                       
REMARK 525    HOH  6151        DISTANCE = 21.99 ANGSTROMS                       
REMARK 525    HOH  6197        DISTANCE = 20.48 ANGSTROMS                       
REMARK 525    HOH  6238        DISTANCE = 22.71 ANGSTROMS                       
REMARK 525    HOH  6262        DISTANCE = 21.09 ANGSTROMS                       
REMARK 525    HOH  6276        DISTANCE = 18.46 ANGSTROMS                       
REMARK 525    HOH  6290        DISTANCE = 11.83 ANGSTROMS                       
REMARK 525    HOH  6304        DISTANCE = 16.72 ANGSTROMS                       
REMARK 525    HOH  6305        DISTANCE = 16.72 ANGSTROMS                       
REMARK 525    HOH  6308        DISTANCE = 16.56 ANGSTROMS                       
REMARK 525    HOH  6335        DISTANCE = 12.16 ANGSTROMS                       
REMARK 525    HOH  6343        DISTANCE = 13.44 ANGSTROMS                       
REMARK 525    HOH  6370        DISTANCE = 14.24 ANGSTROMS                       
REMARK 525    HOH  6386        DISTANCE = 14.16 ANGSTROMS                       
REMARK 525    HOH  6387        DISTANCE = 17.30 ANGSTROMS                       
REMARK 525    HOH  6388        DISTANCE = 16.71 ANGSTROMS                       
REMARK 525    HOH  6389        DISTANCE =  9.34 ANGSTROMS                       
REMARK 525    HOH  6390        DISTANCE = 14.67 ANGSTROMS                       
REMARK 525    HOH  6401        DISTANCE = 21.06 ANGSTROMS                       
REMARK 525    HOH  6416        DISTANCE = 10.62 ANGSTROMS                       
REMARK 525    HOH  6428        DISTANCE = 10.76 ANGSTROMS                       
REMARK 525    HOH  6429        DISTANCE = 17.68 ANGSTROMS                       
REMARK 525    HOH  6430        DISTANCE = 20.53 ANGSTROMS                       
REMARK 525    HOH  6437        DISTANCE = 15.87 ANGSTROMS                       
REMARK 525    HOH  6452        DISTANCE = 11.25 ANGSTROMS                       
REMARK 525    HOH  6458        DISTANCE = 13.71 ANGSTROMS                       
REMARK 525    HOH  6485        DISTANCE = 18.24 ANGSTROMS                       
REMARK 525    HOH  6549        DISTANCE = 21.36 ANGSTROMS                       
REMARK 525    HOH  6555        DISTANCE = 23.64 ANGSTROMS                       
REMARK 525    HOH  6568        DISTANCE = 18.50 ANGSTROMS                       
REMARK 525    HOH  6573        DISTANCE = 20.82 ANGSTROMS                       
REMARK 525    HOH  6602        DISTANCE = 25.02 ANGSTROMS                       
REMARK 525    HOH  6610        DISTANCE = 16.06 ANGSTROMS                       
REMARK 525    HOH  6620        DISTANCE = 26.23 ANGSTROMS                       
REMARK 525    HOH  6668        DISTANCE = 24.96 ANGSTROMS                       
REMARK 525    HOH  6680        DISTANCE = 20.27 ANGSTROMS                       
REMARK 525    HOH  6727        DISTANCE = 17.70 ANGSTROMS                       
REMARK 525    HOH  6776        DISTANCE = 15.37 ANGSTROMS                       
REMARK 525    HOH  6885        DISTANCE = 12.09 ANGSTROMS                       
REMARK 525    HOH  6890        DISTANCE = 12.00 ANGSTROMS                       
REMARK 525    HOH  6921        DISTANCE = 13.01 ANGSTROMS                       
REMARK 525    HOH  7022        DISTANCE = 16.36 ANGSTROMS                       
REMARK 525    HOH  7043        DISTANCE = 14.31 ANGSTROMS                       
REMARK 525    HOH  7066        DISTANCE = 11.38 ANGSTROMS                       
REMARK 525    HOH  7083        DISTANCE = 13.13 ANGSTROMS                       
REMARK 525    HOH  7168        DISTANCE = 16.88 ANGSTROMS                       
REMARK 525    HOH  7171        DISTANCE = 21.19 ANGSTROMS                       
REMARK 525    HOH  7185        DISTANCE = 18.85 ANGSTROMS                       
REMARK 525    HOH  7287        DISTANCE = 15.56 ANGSTROMS                       
REMARK 525    HOH  7289        DISTANCE = 13.19 ANGSTROMS                       
REMARK 525    HOH  7293        DISTANCE = 21.93 ANGSTROMS                       
REMARK 525    HOH  7302        DISTANCE = 22.66 ANGSTROMS                       
REMARK 525    HOH  7346        DISTANCE = 23.16 ANGSTROMS                       
REMARK 525    HOH  7352        DISTANCE = 14.06 ANGSTROMS                       
REMARK 525    HOH  7370        DISTANCE = 14.36 ANGSTROMS                       
REMARK 525    HOH  7372        DISTANCE = 17.44 ANGSTROMS                       
REMARK 525    HOH  7626        DISTANCE = 17.80 ANGSTROMS                       
REMARK 525    HOH  7668        DISTANCE = 14.87 ANGSTROMS                       
REMARK 525    HOH  7789        DISTANCE = 24.96 ANGSTROMS                       
REMARK 525    HOH  7793        DISTANCE = 19.89 ANGSTROMS                       
REMARK 525    HOH  7796        DISTANCE = 24.94 ANGSTROMS                       
REMARK 525    HOH  7819        DISTANCE = 19.14 ANGSTROMS                       
REMARK 525    HOH  7838        DISTANCE = 19.22 ANGSTROMS                       
REMARK 525    HOH  7864        DISTANCE = 18.85 ANGSTROMS                       
REMARK 525    HOH  7872        DISTANCE = 22.53 ANGSTROMS                       
REMARK 525    HOH  7877        DISTANCE = 23.15 ANGSTROMS                       
REMARK 525    HOH  7883        DISTANCE = 25.32 ANGSTROMS                       
REMARK 525    HOH  7897        DISTANCE = 29.30 ANGSTROMS                       
REMARK 525    HOH  7918        DISTANCE = 27.07 ANGSTROMS                       
REMARK 525    HOH  7919        DISTANCE = 25.99 ANGSTROMS                       
REMARK 525    HOH  7921        DISTANCE = 22.39 ANGSTROMS                       
REMARK 525    HOH  7922        DISTANCE = 29.01 ANGSTROMS                       
REMARK 525    HOH  7923        DISTANCE = 29.56 ANGSTROMS                       
REMARK 525    HOH  7927        DISTANCE = 23.62 ANGSTROMS                       
REMARK 525    HOH  7929        DISTANCE = 25.89 ANGSTROMS                       
REMARK 525    HOH  7935        DISTANCE = 15.24 ANGSTROMS                       
REMARK 525    HOH  7951        DISTANCE = 27.07 ANGSTROMS                       
REMARK 525    HOH  7958        DISTANCE = 28.00 ANGSTROMS                       
REMARK 525    HOH  7960        DISTANCE = 25.73 ANGSTROMS                       
REMARK 525    HOH  7968        DISTANCE = 25.76 ANGSTROMS                       
REMARK 525    HOH  7970        DISTANCE = 32.28 ANGSTROMS                       
REMARK 525    HOH  7976        DISTANCE = 26.25 ANGSTROMS                       
REMARK 525    HOH  7987        DISTANCE = 20.59 ANGSTROMS                       
REMARK 525    HOH  8008        DISTANCE = 17.21 ANGSTROMS                       
REMARK 525    HOH  8034        DISTANCE = 18.10 ANGSTROMS                       
REMARK 525    HOH  8038        DISTANCE = 17.93 ANGSTROMS                       
REMARK 525    HOH  8040        DISTANCE = 18.11 ANGSTROMS                       
REMARK 525    HOH  8047        DISTANCE = 17.39 ANGSTROMS                       
REMARK 525    HOH  8083        DISTANCE = 17.16 ANGSTROMS                       
REMARK 525    HOH  8110        DISTANCE = 17.32 ANGSTROMS                       
REMARK 525    HOH  8122        DISTANCE = 17.64 ANGSTROMS                       
REMARK 525    HOH  8147        DISTANCE = 21.35 ANGSTROMS                       
REMARK 525    HOH  8165        DISTANCE = 20.01 ANGSTROMS                       
REMARK 525    HOH  8170        DISTANCE = 19.21 ANGSTROMS                       
REMARK 525    HOH  8201        DISTANCE = 17.17 ANGSTROMS                       
REMARK 525    HOH  8239        DISTANCE = 16.86 ANGSTROMS                       
REMARK 525    HOH  8241        DISTANCE = 16.13 ANGSTROMS                       
REMARK 525    HOH  8244        DISTANCE = 17.36 ANGSTROMS                       
REMARK 525    HOH  8258        DISTANCE = 20.94 ANGSTROMS                       
REMARK 525    HOH  8272        DISTANCE = 15.17 ANGSTROMS                       
REMARK 525    HOH  8300        DISTANCE =  9.88 ANGSTROMS                       
REMARK 525    HOH  8307        DISTANCE = 10.64 ANGSTROMS                       
REMARK 525    HOH  8326        DISTANCE = 11.82 ANGSTROMS                       
REMARK 525    HOH  8345        DISTANCE = 12.34 ANGSTROMS                       
REMARK 525    HOH  8348        DISTANCE = 15.95 ANGSTROMS                       
REMARK 525    HOH  8349        DISTANCE = 12.85 ANGSTROMS                       
REMARK 525    HOH  8366        DISTANCE = 11.87 ANGSTROMS                       
REMARK 525    HOH  8382        DISTANCE = 23.76 ANGSTROMS                       
REMARK 525    HOH  8412        DISTANCE = 25.80 ANGSTROMS                       
REMARK 525    HOH  8421        DISTANCE = 28.29 ANGSTROMS                       
REMARK 525    HOH  8444        DISTANCE = 24.85 ANGSTROMS                       
REMARK 525    HOH  8451        DISTANCE = 14.76 ANGSTROMS                       
REMARK 525    HOH  8481        DISTANCE = 24.28 ANGSTROMS                       
REMARK 525    HOH  8490        DISTANCE = 18.27 ANGSTROMS                       
REMARK 525    HOH  8495        DISTANCE = 26.49 ANGSTROMS                       
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 EST: MOLECULE CONSTRUCTED IN QUANTA, IMPORTED INTO X-PLOR.           
REMARK 650                                                                      
REMARK 650 HELIX                                                                
REMARK 650 DETERMINATION METHOD: AUTHOR-DETERMINED                              
REMARK 650 HELIX_ID: H3,WELL-CONSERVED AMONG HOMOLOGS; HELIX                    
REMARK 650 NUMBERING OMITS H2 IN HER AND HRAR-GAMMA.                            
REMARK 650 HELIX_ID: H4,ENDED BY KINK AT A/W JUNCTURE..                         
REMARK 650 HELIX_ID: H5,FINAL 4 RESIDUES COMPRISE A 3/10 HELIX..                
REMARK 650 HELIX_ID: H8,2.2 TURNS LONGER THAN HOMOLOGS                          
REMARK 650 (AT C-TERMINUS).                                                     
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: AUTHOR-DETERMINED                              
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: LND                                                 
REMARK 800 SITE_DESCRIPTION: FALL WITHIN 3 - 8 ANGSTROMS OF LIGAND.             
REMARK 850                                                                      
REMARK 850 CORRECTION BEFORE RELEASE                                            
REMARK 850 ORIGINAL DEPOSITION REVISED PRIOR TO RELEASE                         
REMARK 850 DATE REVISED: 23-JUN-1997  TRACKING NUMBER: T11636                   
REMARK 850                                                                      
REMARK 850 CORRECTION BEFORE RELEASE                                            
REMARK 850 ORIGINAL DEPOSITION REVISED PRIOR TO RELEASE                         
REMARK 850 DATE REVISED: 16-JUL-1997  TRACKING NUMBER: T11993                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 1AKF       SWS     P03372       1 -   310 NOT IN ATOMS LIST          
REMARK 999 1AKF       SWS     P03372     548 -   595 NOT IN ATOMS LIST          
DBREF  1AKF A  309   547  UNP    P03372   ESR1_HUMAN     309    547             
SEQRES   1 A  239  SER LEU THR ALA ASP GLN MET VAL SER ALA LEU LEU ASP          
SEQRES   2 A  239  ALA GLU PRO PRO ILE LEU TYR SER GLU TYR ASP PRO THR          
SEQRES   3 A  239  ARG PRO PHE SER GLU ALA SER MET MET GLY LEU LEU THR          
SEQRES   4 A  239  ASN LEU ALA ASP ARG GLU LEU VAL HIS MET ILE ASN TRP          
SEQRES   5 A  239  ALA LYS ARG VAL PRO GLY PHE VAL ASP LEU THR LEU HIS          
SEQRES   6 A  239  ASP GLN VAL HIS LEU LEU GLU CYS ALA TRP LEU GLU ILE          
SEQRES   7 A  239  LEU MET ILE GLY LEU VAL TRP ARG SER MET GLU HIS PRO          
SEQRES   8 A  239  GLY LYS LEU LEU PHE ALA PRO ASN LEU LEU LEU ASP ARG          
SEQRES   9 A  239  ASN GLN GLY LYS CYS VAL GLU GLY MET VAL GLU ILE PHE          
SEQRES  10 A  239  ASP MET LEU LEU ALA THR SER SER ARG PHE ARG MET MET          
SEQRES  11 A  239  ASN LEU GLN GLY GLU GLU PHE VAL CYS LEU LYS SER ILE          
SEQRES  12 A  239  ILE LEU LEU ASN SER GLY VAL TYR THR PHE LEU SER SER          
SEQRES  13 A  239  THR LEU LYS SER LEU GLU GLU LYS ASP HIS ILE HIS ARG          
SEQRES  14 A  239  VAL LEU ASP LYS ILE THR ASP THR LEU ILE HIS LEU MET          
SEQRES  15 A  239  ALA LYS ALA GLY LEU THR LEU GLN GLN GLN HIS GLN ARG          
SEQRES  16 A  239  LEU ALA GLN LEU LEU LEU ILE LEU SER HIS ILE ARG HIS          
SEQRES  17 A  239  MET SER ASN LYS GLY MET GLU HIS LEU TYR SER MET LYS          
SEQRES  18 A  239  CYS LYS ASN VAL VAL PRO LEU TYR ASP LEU LEU LEU GLU          
SEQRES  19 A  239  MET LEU ASP ALA HIS                                          
HET    EST      1      22                                                       
HETNAM     EST ESTRADIOL                                                        
FORMUL   2  EST    C18 H24 O2                                                   
FORMUL   3  HOH   *6039(H2 O1)                                                  
HELIX    1  H1 THR A  311  ASP A  313  1                                   3    
HELIX    2  H3 LEU A  345  ARG A  363  1SEE REMARK 650                    19    
HELIX    3  H4 LEU A  372  ALA A  382  1SEE REMARK 650                    11    
HELIX    4  H5 TRP A  383  GLU A  397  1SEE REMARK 650                    15    
HELIX    5  H6 ARG A  412  CYS A  417  1                                   6    
HELIX    6  H7 VAL A  422  PHE A  435  1                                  14    
HELIX    7  H8 GLY A  442  PHE A  461  1SEE REMARK 650                    20    
HELIX    8  H9 LYS A  472  ALA A  493  1                                  22    
HELIX    9 H10 GLN A  500  LYS A  520  1ENDS AT GLY-INDUCED KINK          21    
HELIX   10 H11 GLY A  521  LYS A  531  1                                  11    
HELIX   11 H12 ASP A  538  ASP A  545  1HIGHLY CONSERVED AF-2 AD           8    
SHEET    1  S1 2 LYS A 401  LEU A 403  0                                        
SHEET    2  S1 2 LEU A 409  ASP A 411 -1  N  LEU A 410   O  LEU A 402           
SITE     1 LND  8 GLU A 397  ARG A 394  TYR A 526  TRP A 393                    
SITE     2 LND  8 PHE A 425  GLY A 521  LEU A 525  MET A 528                    
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000