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Database: PDB
Entry: 1MRQ
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Original site: 1MRQ 
HEADER    OXIDOREDUCTASE                          18-SEP-02   1MRQ              
TITLE     CRYSTAL STRUCTURE OF HUMAN 20ALPHA-HSD IN TERNARY COMPLEX WITH NADP   
TITLE    2 AND 20ALPHA-HYDROXY-PROGESTERONE                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALDO-KETO REDUCTASE FAMILY 1 MEMBER C1;                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: 20ALPHA-HYDROXYSTEROID DEHYDROGENASE, TRANS-1,2-            
COMPND   5 DIHYDROBENZENE-1,2-DIOL DEHYDROGENASE, HIGH-AFFINITY HEPATIC BILE    
COMPND   6 ACID-BINDING PROTEIN, HBAB, CHLORDECONE REDUCTASE HOMOLOG HAKRC,     
COMPND   7 DIHYDRODIOL DEHYDROGENASE 2, DD2;                                    
COMPND   8 EC: 1.1.1.149;                                                       
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 TISSUE: LIVER;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PGEX                                      
KEYWDS    20ALPHA-HSD, HYDROXYSTEROID DEHYDROGENASE, PROGESTERONE, TERNARY      
KEYWDS   2 COMPLEX, OXIDOREDUCTASE                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.F.COUTURE,P.LEGRAND,L.CANTIN,V.LUU-THE,F.LABRIE,R.BRETON            
REVDAT   5   14-FEB-24 1MRQ    1       REMARK SEQADV                            
REVDAT   4   11-OCT-17 1MRQ    1       REMARK                                   
REVDAT   3   13-JUL-11 1MRQ    1       VERSN                                    
REVDAT   2   24-FEB-09 1MRQ    1       VERSN                                    
REVDAT   1   30-SEP-03 1MRQ    0                                                
JRNL        AUTH   J.F.COUTURE,P.LEGRAND,L.CANTIN,V.LUU-THE,F.LABRIE,R.BRETON   
JRNL        TITL   HUMAN 20ALPHA-HYDROXYSTEROID DEHYDROGENASE: CRYSTALLOGRAPHIC 
JRNL        TITL 2 AND SITE-DIRECTED MUTAGENESIS STUDIES LEAD TO THE            
JRNL        TITL 3 IDENTIFICATION OF AN ALTERNATIVE BINDING SITE FOR            
JRNL        TITL 4 C21-STEROIDS.                                                
JRNL        REF    J.MOL.BIOL.                   V. 331   593 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12899831                                                     
JRNL        DOI    10.1016/S0022-2836(03)00762-9                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.F.COUTURE,L.CANTIN,P.LEGRAND,V.LUU-THE,F.LABRIE,R.BRETON   
REMARK   1  TITL   EXPRESSION, CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS   
REMARK   1  TITL 2 OF HUMAN AND RABBIT 20ALPHA-HYDROXYSTEROID DEHYDROGENASE IN  
REMARK   1  TITL 3 COMPLEX WITH NADP(H) AND VARIOUS STEROID SUBSTRATES          
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  58   135 2002              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444901017346                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.59 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.07                                        
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) : 1.59                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 41981                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.173                           
REMARK   3   FREE R VALUE                     : 0.194                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2202                            
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) : 1.59                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.63                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2183                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1780                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 115                          
REMARK   3   BIN FREE R VALUE                    : 0.2040                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2593                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 75                                      
REMARK   3   SOLVENT ATOMS            : 321                                     
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) : 7.69                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.089         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.085         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.048         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.290         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.956                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.945                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2736 ; 0.006 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3718 ; 1.250 ; 2.001       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   322 ; 4.319 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   474 ;10.315 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   407 ; 0.092 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2048 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1370 ; 0.198 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   232 ; 0.108 ; 0.200       
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):    19 ; 0.189 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    33 ; 0.096 ; 0.200       
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):  1619 ; 0.459 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2622 ; 0.871 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1117 ; 1.571 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1096 ; 2.596 ; 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 : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     1        A   323                          
REMARK   3    ORIGIN FOR THE GROUP (A):  13.4120  39.4940  21.8710              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0317 T22:   0.0453                                     
REMARK   3      T33:   0.0760 T12:  -0.0101                                     
REMARK   3      T13:  -0.0115 T23:   0.0025                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4103 L22:   1.1714                                     
REMARK   3      L33:   0.7562 L12:  -0.1639                                     
REMARK   3      L13:   0.0771 L23:  -0.2237                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0190 S12:   0.0003 S13:  -0.0201                       
REMARK   3      S21:  -0.0707 S22:   0.0345 S23:   0.1287                       
REMARK   3      S31:   0.0131 S32:   0.0063 S33:  -0.0155                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : NULL                                          
REMARK   3   ION PROBE RADIUS   : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1MRQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-SEP-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000017132.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-FEB-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 43980                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.590                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.6                               
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.59                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.62                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 60.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.17200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1J96                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, HEPES, AMMONIUM SULFATE,       
REMARK 280  CALCIUM CHLORIDE, PH 7.5, VAPOR DIFFUSION, HANGING DROP,            
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       19.82500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.34000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.77000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.34000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       19.82500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.77000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: BIOLOGICAL ASSEMBLY IS A MONOMER                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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    PRO A  26      152.55    -49.30                                   
REMARK 500    ASN A 134      -12.11     99.60                                   
REMARK 500    PHE A 197       77.26   -150.61                                   
REMARK 500    SER A 221      163.23     81.05                                   
REMARK 500    ARG A 250     -145.06   -123.10                                   
REMARK 500    ARG A 301       19.55   -145.73                                   
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 NAP A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE STR A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 502                 
DBREF  1MRQ A    2   323  UNP    Q04828   AK1C1_HUMAN      2    323             
SEQADV 1MRQ GLN A    1  UNP  Q04828              CLONING ARTIFACT               
SEQRES   1 A  323  GLN ASP SER LYS TYR GLN CYS VAL LYS LEU ASN ASP GLY          
SEQRES   2 A  323  HIS PHE MET PRO VAL LEU GLY PHE GLY THR TYR ALA PRO          
SEQRES   3 A  323  ALA GLU VAL PRO LYS SER LYS ALA LEU GLU ALA THR LYS          
SEQRES   4 A  323  LEU ALA ILE GLU ALA GLY PHE ARG HIS ILE ASP SER ALA          
SEQRES   5 A  323  HIS LEU TYR ASN ASN GLU GLU GLN VAL GLY LEU ALA ILE          
SEQRES   6 A  323  ARG SER LYS ILE ALA ASP GLY SER VAL LYS ARG GLU ASP          
SEQRES   7 A  323  ILE PHE TYR THR SER LYS LEU TRP CYS ASN SER HIS ARG          
SEQRES   8 A  323  PRO GLU LEU VAL ARG PRO ALA LEU GLU ARG SER LEU LYS          
SEQRES   9 A  323  ASN LEU GLN LEU ASP TYR VAL ASP LEU TYR LEU ILE HIS          
SEQRES  10 A  323  PHE PRO VAL SER VAL LYS PRO GLY GLU GLU VAL ILE PRO          
SEQRES  11 A  323  LYS ASP GLU ASN GLY LYS ILE LEU PHE ASP THR VAL ASP          
SEQRES  12 A  323  LEU CYS ALA THR TRP GLU ALA VAL GLU LYS CYS LYS ASP          
SEQRES  13 A  323  ALA GLY LEU ALA LYS SER ILE GLY VAL SER ASN PHE ASN          
SEQRES  14 A  323  ARG ARG GLN LEU GLU MET ILE LEU ASN LYS PRO GLY LEU          
SEQRES  15 A  323  LYS TYR LYS PRO VAL CYS ASN GLN VAL GLU CYS HIS PRO          
SEQRES  16 A  323  TYR PHE ASN GLN ARG LYS LEU LEU ASP PHE CYS LYS SER          
SEQRES  17 A  323  LYS ASP ILE VAL LEU VAL ALA TYR SER ALA LEU GLY SER          
SEQRES  18 A  323  HIS ARG GLU GLU PRO TRP VAL ASP PRO ASN SER PRO VAL          
SEQRES  19 A  323  LEU LEU GLU ASP PRO VAL LEU CYS ALA LEU ALA LYS LYS          
SEQRES  20 A  323  HIS LYS ARG THR PRO ALA LEU ILE ALA LEU ARG TYR GLN          
SEQRES  21 A  323  LEU GLN ARG GLY VAL VAL VAL LEU ALA LYS SER TYR ASN          
SEQRES  22 A  323  GLU GLN ARG ILE ARG GLN ASN VAL GLN VAL PHE GLU PHE          
SEQRES  23 A  323  GLN LEU THR SER GLU GLU MET LYS ALA ILE ASP GLY LEU          
SEQRES  24 A  323  ASN ARG ASN VAL ARG TYR LEU THR LEU ASP ILE PHE ALA          
SEQRES  25 A  323  GLY PRO PRO ASN TYR PRO PHE SER ASP GLU TYR                  
HET    NAP  A 500      48                                                       
HET    STR  A 501      23                                                       
HET    BME  A 502       4                                                       
HETNAM     NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE                 
HETNAM     STR PROGESTERONE                                                     
HETNAM     BME BETA-MERCAPTOETHANOL                                             
HETSYN     NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE                       
FORMUL   2  NAP    C21 H28 N7 O17 P3                                            
FORMUL   3  STR    C21 H30 O2                                                   
FORMUL   4  BME    C2 H6 O S                                                    
FORMUL   5  HOH   *321(H2 O)                                                    
HELIX    1   1 SER A   32  GLY A   45  1                                  14    
HELIX    2   2 ALA A   52  ASN A   56  5                                   5    
HELIX    3   3 ASN A   57  ASP A   71  1                                  15    
HELIX    4   4 LYS A   75  ILE A   79  5                                   5    
HELIX    5   5 TRP A   86  HIS A   90  5                                   5    
HELIX    6   6 ARG A   91  GLN A  107  1                                  17    
HELIX    7   7 ASP A  143  ALA A  157  1                                  15    
HELIX    8   8 ASN A  169  ASN A  178  1                                  10    
HELIX    9   9 GLN A  199  LYS A  209  1                                  11    
HELIX   10  10 VAL A  234  GLU A  237  5                                   4    
HELIX   11  11 ASP A  238  LYS A  249  1                                  12    
HELIX   12  12 THR A  251  ARG A  263  1                                  13    
HELIX   13  13 ASN A  273  VAL A  281  1                                   9    
HELIX   14  14 GLN A  282  PHE A  286  5                                   5    
HELIX   15  15 THR A  289  GLY A  298  1                                  10    
HELIX   16  16 LEU A  308  ALA A  312  5                                   5    
SHEET    1   A 2 CYS A   7  LYS A   9  0                                        
SHEET    2   A 2 PHE A  15  PRO A  17 -1  O  MET A  16   N  VAL A   8           
SHEET    1   B 9 LEU A  19  GLY A  22  0                                        
SHEET    2   B 9 HIS A  48  ASP A  50  1  O  ASP A  50   N  PHE A  21           
SHEET    3   B 9 PHE A  80  LEU A  85  1  O  PHE A  80   N  ILE A  49           
SHEET    4   B 9 VAL A 111  ILE A 116  1  O  LEU A 115   N  LEU A  85           
SHEET    5   B 9 ALA A 160  SER A 166  1  O  LYS A 161   N  VAL A 111           
SHEET    6   B 9 CYS A 188  GLU A 192  1  O  CYS A 188   N  VAL A 165           
SHEET    7   B 9 VAL A 212  TYR A 216  1  O  VAL A 214   N  VAL A 191           
SHEET    8   B 9 VAL A 266  LYS A 270  1  O  VAL A 266   N  ALA A 215           
SHEET    9   B 9 LEU A  19  GLY A  22  1  N  GLY A  20   O  VAL A 267           
CISPEP   1 GLU A  225    PRO A  226          0        -2.02                     
SITE     1 AC1 37 GLY A  22  THR A  23  TYR A  24  ASP A  50                    
SITE     2 AC1 37 TYR A  55  HIS A 117  SER A 166  ASN A 167                    
SITE     3 AC1 37 GLN A 190  TYR A 216  SER A 217  ALA A 218                    
SITE     4 AC1 37 LEU A 219  GLY A 220  SER A 221  HIS A 222                    
SITE     5 AC1 37 LEU A 236  ALA A 253  LEU A 268  ALA A 269                    
SITE     6 AC1 37 LYS A 270  SER A 271  TYR A 272  ARG A 276                    
SITE     7 AC1 37 GLN A 279  ASN A 280  LEU A 306  STR A 501                    
SITE     8 AC1 37 HOH A 510  HOH A 516  HOH A 529  HOH A 544                    
SITE     9 AC1 37 HOH A 562  HOH A 629  HOH A 672  HOH A 789                    
SITE    10 AC1 37 HOH A 822                                                     
SITE     1 AC2 12 TYR A  24  LEU A  54  TYR A  55  GLU A 127                    
SITE     2 AC2 12 VAL A 128  ILE A 129  HIS A 222  TRP A 227                    
SITE     3 AC2 12 LEU A 306  LEU A 308  NAP A 500  HOH A 822                    
SITE     1 AC3  6 HIS A  14  PHE A  15  ARG A 301  HOH A 532                    
SITE     2 AC3  6 HOH A 658  HOH A 708                                          
CRYST1   39.650   83.540  100.680  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.025221  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011970  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009932        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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