HEADER    TRANSFERASE                             06-OCT-11   3U3O              
TITLE     CRYSTAL STRUCTURE OF HUMAN SULT1A1 BOUND TO PAP AND TWO 3-CYANO-7-    
TITLE    2 HYDROXYCOUMARIN                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SULFOTRANSFERASE 1A1;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 1-295;                                        
COMPND   5 SYNONYM: ST1A1, ARYL SULFOTRANSFERASE 1, HAST1/HAST2, PHENOL         
COMPND   6 SULFOTRANSFERASE 1, PHENOL-SULFATING PHENOL SULFOTRANSFERASE 1, P-PST
COMPND   7 1, ST1A3, THERMOSTABLE PHENOL SULFOTRANSFERASE, TS-PST;              
COMPND   8 EC: 2.8.2.1;                                                         
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 STRAIN: HOMO SAPIENS;                                                
SOURCE   6 GENE: HSULT1A1, OK/SW-CL.88, STP, STP1, SULT1A1;                     
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET32TR                                   
KEYWDS    ARYLSULFOTRANSFERASE, PAP, 3-CYANO-7-HYDROXYCOUMARIN, XENOBIOTICS,    
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.GUTTMAN,I.BERGER,A.AHARONI,R.ZARIVACH                               
REVDAT   3   28-FEB-24 3U3O    1       REMARK SEQADV                            
REVDAT   2   11-APR-12 3U3O    1       JRNL                                     
REVDAT   1   16-NOV-11 3U3O    0                                                
JRNL        AUTH   I.BERGER,C.GUTTMAN,D.AMAR,R.ZARIVACH,A.AHARONI               
JRNL        TITL   THE MOLECULAR BASIS FOR THE BROAD SUBSTRATE SPECIFICITY OF   
JRNL        TITL 2 HUMAN SULFOTRANSFERASE 1A1.                                  
JRNL        REF    PLOS ONE                      V.   6 26794 2011              
JRNL        REFN                   ESSN 1932-6203                               
JRNL        PMID   22069470                                                     
JRNL        DOI    10.1371/JOURNAL.PONE.0026794                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 62.27                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 24243                          
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) : 0.178                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.211                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1286                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.05                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1649                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.65                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1760                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 90                           
REMARK   3   BIN FREE R VALUE                    : 0.2610                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2352                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 55                                      
REMARK   3   SOLVENT ATOMS            : 256                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.63                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.72000                                             
REMARK   3    B22 (A**2) : -0.84000                                             
REMARK   3    B33 (A**2) : 1.55000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.168         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.148         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.090         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.716         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.928                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.912                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2591 ; 0.025 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3542 ; 1.971 ; 1.987       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   318 ; 5.856 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   115 ;37.554 ;23.913       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   453 ;15.300 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    11 ;18.222 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   369 ; 0.148 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1985 ; 0.012 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1502 ; 1.131 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2464 ; 1.941 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1089 ; 3.153 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1064 ; 4.986 ; 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  : 3                                          
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     8        A   212                          
REMARK   3    ORIGIN FOR THE GROUP (A):  20.0652  20.9043   1.1924              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0199 T22:   0.0313                                     
REMARK   3      T33:   0.0081 T12:  -0.0037                                     
REMARK   3      T13:   0.0010 T23:  -0.0061                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.7647 L22:   0.5993                                     
REMARK   3      L33:   0.0208 L12:   0.1636                                     
REMARK   3      L13:  -0.0618 L23:  -0.0001                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0265 S12:  -0.0324 S13:  -0.0046                       
REMARK   3      S21:   0.0046 S22:   0.0171 S23:  -0.0433                       
REMARK   3      S31:  -0.0004 S32:  -0.0118 S33:   0.0093                       
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 :   A   213        A   274                          
REMARK   3    ORIGIN FOR THE GROUP (A):  21.4663   6.7580   4.2322              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0679 T22:   0.0120                                     
REMARK   3      T33:   0.0706 T12:  -0.0065                                     
REMARK   3      T13:   0.0076 T23:   0.0223                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5120 L22:   0.7037                                     
REMARK   3      L33:  -0.0048 L12:   0.1923                                     
REMARK   3      L13:  -0.0189 L23:  -0.0304                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0147 S12:  -0.0730 S13:  -0.1944                       
REMARK   3      S21:   0.0285 S22:   0.0060 S23:  -0.1134                       
REMARK   3      S31:   0.0511 S32:  -0.0109 S33:   0.0087                       
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 :   A   275        A   295                          
REMARK   3    ORIGIN FOR THE GROUP (A):   6.0859  12.4818 -11.8403              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0650 T22:   0.0609                                     
REMARK   3      T33:   0.0833 T12:  -0.0200                                     
REMARK   3      T13:  -0.0579 T23:  -0.0276                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.1424 L22:   0.7261                                     
REMARK   3      L33:  -0.0776 L12:   0.5649                                     
REMARK   3      L13:   0.0421 L23:  -0.0423                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0161 S12:   0.2650 S13:  -0.1917                       
REMARK   3      S21:  -0.1893 S22:   0.0554 S23:   0.1718                       
REMARK   3      S31:   0.0095 S32:   0.0038 S33:  -0.0393                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 3U3O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-OCT-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000068265.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-SEP-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.933                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.15                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25600                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 62.269                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.6                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.10800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.13600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.13600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.46                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM CHLORIDE, BIS-TRIS,            
REMARK 280  POLYETHYLENE GLYCOL 3,350, PH 6.5, VAPOR DIFFUSION, TEMPERATURE     
REMARK 280  293K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       36.09000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       61.56500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       36.09000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       61.56500            
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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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     MET A   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     LEU A     3                                                      
REMARK 465     ILE A     4                                                      
REMARK 465     GLN A     5                                                      
REMARK 465     ASP A     6                                                      
REMARK 465     THR A     7                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A   9   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    GLU A 166       33.09    -90.10                                   
REMARK 500    ARG A 257      -70.70    -91.79                                   
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 3QV A 296                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QV A 297                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE A3P A 298                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3U3J   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3U3K   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3U3M   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3U3R   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THESE CONFLICTS ARISE FROM POLYMORPHISM OF THE HSULT1A1 GENE (H213)  
REMARK 999 . THE CLOSEST SEQUENCE TO THE CRYSTALLIZED SEQUENCE HAS REFERENCE    
REMARK 999 CODE GENBANK: AAI10888.1                                             
DBREF  3U3O A    1   295  UNP    P50225   ST1A1_HUMAN      1    295             
SEQADV 3U3O MET A  -19  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O GLY A  -18  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O SER A  -17  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O SER A  -16  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  -15  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  -14  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  -13  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  -12  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  -11  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  -10  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O SER A   -9  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O SER A   -8  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O GLY A   -7  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O LEU A   -6  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O VAL A   -5  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O PRO A   -4  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O ARG A   -3  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O GLY A   -2  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O SER A   -1  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A    0  UNP  P50225              EXPRESSION TAG                 
SEQADV 3U3O HIS A  213  UNP  P50225    ARG   213 SEE REMARK 999                 
SEQADV 3U3O MET A  223  UNP  P50225    VAL   223 SEE REMARK 999                 
SEQRES   1 A  315  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  315  LEU VAL PRO ARG GLY SER HIS MET GLU LEU ILE GLN ASP          
SEQRES   3 A  315  THR SER ARG PRO PRO LEU GLU TYR VAL LYS GLY VAL PRO          
SEQRES   4 A  315  LEU ILE LYS TYR PHE ALA GLU ALA LEU GLY PRO LEU GLN          
SEQRES   5 A  315  SER PHE GLN ALA ARG PRO ASP ASP LEU LEU ILE SER THR          
SEQRES   6 A  315  TYR PRO LYS SER GLY THR THR TRP VAL SER GLN ILE LEU          
SEQRES   7 A  315  ASP MET ILE TYR GLN GLY GLY ASP LEU GLU LYS CYS HIS          
SEQRES   8 A  315  ARG ALA PRO ILE PHE MET ARG VAL PRO PHE LEU GLU PHE          
SEQRES   9 A  315  LYS ALA PRO GLY ILE PRO SER GLY MET GLU THR LEU LYS          
SEQRES  10 A  315  ASP THR PRO ALA PRO ARG LEU LEU LYS THR HIS LEU PRO          
SEQRES  11 A  315  LEU ALA LEU LEU PRO GLN THR LEU LEU ASP GLN LYS VAL          
SEQRES  12 A  315  LYS VAL VAL TYR VAL ALA ARG ASN ALA LYS ASP VAL ALA          
SEQRES  13 A  315  VAL SER TYR TYR HIS PHE TYR HIS MET ALA LYS VAL HIS          
SEQRES  14 A  315  PRO GLU PRO GLY THR TRP ASP SER PHE LEU GLU LYS PHE          
SEQRES  15 A  315  MET VAL GLY GLU VAL SER TYR GLY SER TRP TYR GLN HIS          
SEQRES  16 A  315  VAL GLN GLU TRP TRP GLU LEU SER ARG THR HIS PRO VAL          
SEQRES  17 A  315  LEU TYR LEU PHE TYR GLU ASP MET LYS GLU ASN PRO LYS          
SEQRES  18 A  315  ARG GLU ILE GLN LYS ILE LEU GLU PHE VAL GLY HIS SER          
SEQRES  19 A  315  LEU PRO GLU GLU THR VAL ASP PHE MET VAL GLN HIS THR          
SEQRES  20 A  315  SER PHE LYS GLU MET LYS LYS ASN PRO MET THR ASN TYR          
SEQRES  21 A  315  THR THR VAL PRO GLN GLU PHE MET ASP HIS SER ILE SER          
SEQRES  22 A  315  PRO PHE MET ARG LYS GLY MET ALA GLY ASP TRP LYS THR          
SEQRES  23 A  315  THR PHE THR VAL ALA GLN ASN GLU ARG PHE ASP ALA ASP          
SEQRES  24 A  315  TYR ALA GLU LYS MET ALA GLY CYS SER LEU SER PHE ARG          
SEQRES  25 A  315  SER GLU LEU                                                  
HET    3QV  A 296      14                                                       
HET    3QV  A 297      14                                                       
HET    A3P  A 298      27                                                       
HETNAM     3QV 7-HYDROXY-2-OXO-2H-CHROMENE-3-CARBONITRILE                       
HETNAM     A3P ADENOSINE-3'-5'-DIPHOSPHATE                                      
FORMUL   2  3QV    2(C10 H5 N O3)                                               
FORMUL   4  A3P    C10 H15 N5 O10 P2                                            
FORMUL   5  HOH   *256(H2 O)                                                    
HELIX    1   1 ILE A   21  GLN A   32  1                                  12    
HELIX    2   2 GLY A   50  GLN A   63  1                                  14    
HELIX    3   3 ASP A   66  HIS A   71  1                                   6    
HELIX    4   4 PRO A   74  VAL A   79  1                                   6    
HELIX    5   5 SER A   91  ASP A   98  1                                   8    
HELIX    6   6 PRO A  115  GLN A  121  1                                   7    
HELIX    7   7 ASN A  131  ALA A  146  1                                  16    
HELIX    8   8 THR A  154  VAL A  164  1                                  11    
HELIX    9   9 SER A  171  SER A  183  1                                  13    
HELIX   10  10 TYR A  193  ASN A  199  1                                   7    
HELIX   11  11 ASN A  199  GLY A  212  1                                  14    
HELIX   12  12 PRO A  216  THR A  227  1                                  12    
HELIX   13  13 SER A  228  ASN A  235  1                                   8    
HELIX   14  14 GLY A  262  THR A  267  5                                   6    
HELIX   15  15 THR A  269  ALA A  285  1                                  17    
SHEET    1   A 2 GLU A  13  VAL A  15  0                                        
SHEET    2   A 2 VAL A  18  LEU A  20 -1  O  VAL A  18   N  VAL A  15           
SHEET    1   B 4 LEU A 104  THR A 107  0                                        
SHEET    2   B 4 LEU A  41  THR A  45  1  N  ILE A  43   O  LEU A 105           
SHEET    3   B 4 LYS A 124  ALA A 129  1  O  LYS A 124   N  LEU A  42           
SHEET    4   B 4 VAL A 188  PHE A 192  1  O  LEU A 191   N  TYR A 127           
CISPEP   1 ALA A  101    PRO A  102          0        -0.51                     
SITE     1 AC1  9 PHE A  81  LYS A 106  HIS A 108  VAL A 148                    
SITE     2 AC1  9 PHE A 247  MET A 248  3QV A 297  HOH A 358                    
SITE     3 AC1  9 HOH A 370                                                     
SITE     1 AC2  8 PHE A  76  MET A  77  PHE A  81  PHE A  84                    
SITE     2 AC2  8 ILE A  89  PRO A  90  PRO A 244  3QV A 296                    
SITE     1 AC3 24 LYS A  48  SER A  49  GLY A  50  THR A  51                    
SITE     2 AC3 24 THR A  52  TRP A  53  ARG A 130  SER A 138                    
SITE     3 AC3 24 TYR A 193  THR A 227  SER A 228  PHE A 229                    
SITE     4 AC3 24 MET A 232  PHE A 255  MET A 256  ARG A 257                    
SITE     5 AC3 24 LYS A 258  GLY A 259  HOH A 308  HOH A 309                    
SITE     6 AC3 24 HOH A 313  HOH A 359  HOH A 370  HOH A 512                    
CRYST1   72.180  123.130   44.240  90.00  90.00  90.00 P 21 21 2     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      0.013854  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008121  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022604        0.00000