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Database: PDB
Entry: 1KA1
LinkDB: 1KA1
Original site: 1KA1 
HEADER    HYDROLASE                               31-OCT-01   1KA1              
TITLE     THE PAPASE HAL2P COMPLEXED WITH CALCIUM AND MAGNESIUM IONS AND        
TITLE    2 REACTION SUBSTRATE: PAP                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HALOTOLERANCE PROTEIN HAL2;                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HAL2P, 3'(2'),5'-BISPHOSPHATE NUCLEOTIDASE, PHOSPHOADENYLATE
COMPND   5 3'-NUCLEOTIDASE, 3'-PHOSPHOADENYLYLSULFATE 3'-PHOSPHATASE;           
COMPND   6 EC: 3.1.3.7;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE;                       
SOURCE   3 ORGANISM_COMMON: BAKER'S YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4932;                                                
SOURCE   5 GENE: HAL2;                                                          
SOURCE   6 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE;                         
SOURCE   7 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST;                             
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 4932;                                       
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: RS1051;                                    
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: MULTI-COPY PLASMID;                   
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PRS-421-HAL2                              
KEYWDS    NUCLEOTIDASE, SALT TOLERANCE, INOSITOL, HYDROLASE                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.PATEL,A.ALBERT,T.L.BLUNDELL                                         
REVDAT   4   16-AUG-23 1KA1    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1KA1    1       VERSN                                    
REVDAT   2   05-APR-05 1KA1    1       JRNL   REMARK                            
REVDAT   1   07-NOV-01 1KA1    0                                                
JRNL        AUTH   S.PATEL,M.MARTINEZ-RIPOLL,T.L.BLUNDELL,A.ALBERT              
JRNL        TITL   STRUCTURAL ENZYMOLOGY OF LI(+)-SENSITIVE/MG(2+)-DEPENDENT    
JRNL        TITL 2 PHOSPHATASES.                                                
JRNL        REF    J.MOL.BIOL.                   V. 320  1087 2002              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12126627                                                     
JRNL        DOI    10.1016/S0022-2836(02)00564-8                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
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) : 1.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 73179                          
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) : 0.134                           
REMARK   3   R VALUE            (WORKING SET) : 0.133                           
REMARK   3   FREE R VALUE                     : 0.169                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3654                            
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) : 1.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.33                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4201                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2260                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 227                          
REMARK   3   BIN FREE R VALUE                    : 0.2840                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2718                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 33                                      
REMARK   3   SOLVENT ATOMS            : 446                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 12.13                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.04000                                             
REMARK   3    B22 (A**2) : 0.22000                                              
REMARK   3    B33 (A**2) : 0.01000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.27000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.049         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.050         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.047         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.072         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.978                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.969                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2797 ; 0.016 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2504 ; 0.000 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3789 ; 1.723 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5838 ; 1.253 ; 2.995       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   353 ; 6.181 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   494 ;15.123 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   430 ; 0.113 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3124 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   547 ; 0.003 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   596 ; 0.269 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2337 ; 0.225 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):     6 ; 0.383 ; 0.500       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   313 ; 0.267 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):     3 ; 0.296 ; 0.500       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     7 ; 0.087 ; 0.500       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    14 ; 0.259 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    53 ; 0.274 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    28 ; 0.254 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1748 ; 2.399 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2807 ; 3.214 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1049 ; 4.396 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   982 ; 6.143 ; 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):  2797 ; 2.631 ; 2.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):     2 ; 6.221 ; 2.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2747 ; 5.360 ; 2.000       
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  : NULL                                       
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   : 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 1KA1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-NOV-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000014747.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-NOV-99                          
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               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8700                             
REMARK 200  MONOCHROMATOR                  : SI 111                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : ADSC                               
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 73179                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.310                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.3                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.33                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.45000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
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: PDB ENTRY 1QGX                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.06                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG5000 MME, 0.1 M SODIUM ACETATE,   
REMARK 280  5 MM BETA-MERCAPTOETHANOL, 0.1 M MES. (CRYSTALS WERE SOAKED IN      
REMARK 280  MOTHER LIQUOR CONTAINING 0.5 M CALCIUM CHLORIDE FOR 5 HOURS.) ,     
REMARK 280  PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       22.48400            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE 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 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     1                                                      
REMARK 465     ASN A   356                                                      
REMARK 465     ALA A   357                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  32    CB   CG   CD   CE   NZ                              
REMARK 470     ASP A  33    CB   CG   OD1  OD2                                  
REMARK 470     LYS A 189    CG   CD   CE   NZ                                   
REMARK 470     LYS A 229    CD   CE   NZ                                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   768     O    HOH A  1031              1.70            
REMARK 500   OH   TYR A   183     O    HOH A  1035              1.87            
REMARK 500   O    HOH A   779     O    HOH A  1029              1.92            
REMARK 500   O    HOH A   797     O    HOH A  1048              1.97            
REMARK 500   O    HOH A   986     O    HOH A   989              2.00            
REMARK 500   O    HOH A   997     O    HOH A  1035              2.02            
REMARK 500   N    LEU A     3     O    HOH A  1026              2.05            
REMARK 500   O    HOH A   667     O    HOH A   918              2.06            
REMARK 500   O    HOH A   755     O    HOH A   989              2.07            
REMARK 500   CE   LYS A   329     O    HOH A   854              2.09            
REMARK 500   O    HOH A   759     O    HOH A   821              2.11            
REMARK 500   O    HOH A   657     O    HOH A  1019              2.11            
REMARK 500   O    HOH A   916     O    HOH A  1002              2.13            
REMARK 500   NZ   LYS A   258     O    HOH A   910              2.14            
REMARK 500   O    HOH A   777     O    HOH A  1032              2.14            
REMARK 500   O    HOH A   982     O    HOH A  1023              2.16            
REMARK 500   CG   ARG A     5     O    HOH A   933              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   744     O    HOH A  1031     2555     2.02            
REMARK 500   O    HOH A   926     O    HOH A  1033     2544     2.03            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS A  16   CE    LYS A  16   NZ      0.177                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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   5   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    ASP A 104   CB  -  CG  -  OD2 ANGL. DEV. =   6.8 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    LYS A  32       43.74    -85.06                                   
REMARK 500    GLU A 154     -142.12   -113.45                                   
REMARK 500    PHE A 194       41.72   -154.99                                   
REMARK 500    ASP A 213      -82.93    -92.24                                   
REMARK 500    SER A 264      171.31     84.89                                   
REMARK 500    HIS A 295      -13.34   -141.48                                   
REMARK 500    MET A 313      -54.05   -128.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 401  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  72   OE1                                                    
REMARK 620 2 ASP A 142   OD1  89.5                                              
REMARK 620 3 ASP A 142   OD2  87.9  46.9                                        
REMARK 620 4 ILE A 144   O   163.9  79.3  92.6                                  
REMARK 620 5 A3P A 601   O1P  94.2 110.6  64.0 100.5                            
REMARK 620 6 HOH A 603   O    86.5  86.5 133.1  81.4 162.9                      
REMARK 620 7 HOH A 613   O    94.9 169.3 142.9  94.4  78.9  84.0                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 501  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 142   OD2                                                    
REMARK 620 2 ASP A 145   OD1  86.7                                              
REMARK 620 3 ASP A 294   OD1  95.6  90.7                                        
REMARK 620 4 A3P A 601   O1P  82.5 108.6 160.3                                  
REMARK 620 5 A3P A 601   O3' 132.1  72.4 126.3  65.3                            
REMARK 620 6 HOH A 639   O   100.5 170.5  82.5  78.6 106.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE A3P A 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 602                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QGX   RELATED DB: PDB                                   
REMARK 900 1QGX IS COMPLEXED WITH TWO MAGNESIUM IONS AND A LITHIUM ION AND      
REMARK 900 REACTION PRODUCTS AMP AND INORGANIC PHOSPHATE                        
REMARK 900 RELATED ID: 1K9Y   RELATED DB: PDB                                   
REMARK 900 THE PAPASE HAL2P COMPLEXED WITH MAGNESIUM IONS AND REACTION          
REMARK 900 PRODUCTS: AMP AND INORGANIC PHOSPHATE                                
REMARK 900 RELATED ID: 1K9Z   RELATED DB: PDB                                   
REMARK 900 THE PAPASE HAL2P COMPLEXED WITH ZINC IONS                            
REMARK 900 RELATED ID: 1KA0   RELATED DB: PDB                                   
REMARK 900 THE PAPASE HAL2P COMPLEXED WITH A SODIUM ION AND THE REACTION        
REMARK 900 PRODUCT AMP                                                          
DBREF  1KA1 A    1   357  UNP    P32179   HAL2_YEAST       1    357             
SEQRES   1 A  357  MET ALA LEU GLU ARG GLU LEU LEU VAL ALA THR GLN ALA          
SEQRES   2 A  357  VAL ARG LYS ALA SER LEU LEU THR LYS ARG ILE GLN SER          
SEQRES   3 A  357  GLU VAL ILE SER HIS LYS ASP SER THR THR ILE THR LYS          
SEQRES   4 A  357  ASN ASP ASN SER PRO VAL THR THR GLY ASP TYR ALA ALA          
SEQRES   5 A  357  GLN THR ILE ILE ILE ASN ALA ILE LYS SER ASN PHE PRO          
SEQRES   6 A  357  ASP ASP LYS VAL VAL GLY GLU GLU SER SER SER GLY LEU          
SEQRES   7 A  357  SER ASP ALA PHE VAL SER GLY ILE LEU ASN GLU ILE LYS          
SEQRES   8 A  357  ALA ASN ASP GLU VAL TYR ASN LYS ASN TYR LYS LYS ASP          
SEQRES   9 A  357  ASP PHE LEU PHE THR ASN ASP GLN PHE PRO LEU LYS SER          
SEQRES  10 A  357  LEU GLU ASP VAL ARG GLN ILE ILE ASP PHE GLY ASN TYR          
SEQRES  11 A  357  GLU GLY GLY ARG LYS GLY ARG PHE TRP CYS LEU ASP PRO          
SEQRES  12 A  357  ILE ASP GLY THR LYS GLY PHE LEU ARG GLY GLU GLN PHE          
SEQRES  13 A  357  ALA VAL CYS LEU ALA LEU ILE VAL ASP GLY VAL VAL GLN          
SEQRES  14 A  357  LEU GLY CYS ILE GLY CYS PRO ASN LEU VAL LEU SER SER          
SEQRES  15 A  357  TYR GLY ALA GLN ASP LEU LYS GLY HIS GLU SER PHE GLY          
SEQRES  16 A  357  TYR ILE PHE ARG ALA VAL ARG GLY LEU GLY ALA PHE TYR          
SEQRES  17 A  357  SER PRO SER SER ASP ALA GLU SER TRP THR LYS ILE HIS          
SEQRES  18 A  357  VAL ARG HIS LEU LYS ASP THR LYS ASP MET ILE THR LEU          
SEQRES  19 A  357  GLU GLY VAL GLU LYS GLY HIS SER SER HIS ASP GLU GLN          
SEQRES  20 A  357  THR ALA ILE LYS ASN LYS LEU ASN ILE SER LYS SER LEU          
SEQRES  21 A  357  HIS LEU ASP SER GLN ALA LYS TYR CYS LEU LEU ALA LEU          
SEQRES  22 A  357  GLY LEU ALA ASP VAL TYR LEU ARG LEU PRO ILE LYS LEU          
SEQRES  23 A  357  SER TYR GLN GLU LYS ILE TRP ASP HIS ALA ALA GLY ASN          
SEQRES  24 A  357  VAL ILE VAL HIS GLU ALA GLY GLY ILE HIS THR ASP ALA          
SEQRES  25 A  357  MET GLU ASP VAL PRO LEU ASP PHE GLY ASN GLY ARG THR          
SEQRES  26 A  357  LEU ALA THR LYS GLY VAL ILE ALA SER SER GLY PRO ARG          
SEQRES  27 A  357  GLU LEU HIS ASP LEU VAL VAL SER THR SER CYS ASP VAL          
SEQRES  28 A  357  ILE GLN SER ARG ASN ALA                                      
HET     CA  A 401       1                                                       
HET     MG  A 501       1                                                       
HET    A3P  A 601      27                                                       
HET    BME  A 602       4                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     A3P ADENOSINE-3'-5'-DIPHOSPHATE                                      
HETNAM     BME BETA-MERCAPTOETHANOL                                             
FORMUL   2   CA    CA 2+                                                        
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  A3P    C10 H15 N5 O10 P2                                            
FORMUL   5  BME    C2 H6 O S                                                    
FORMUL   6  HOH   *446(H2 O)                                                    
HELIX    1   1 LEU A    3  HIS A   31  1                                  29    
HELIX    2   2 THR A   47  PHE A   64  1                                  18    
HELIX    3   3 SER A   79  TYR A  101  1                                  23    
HELIX    4   4 SER A  117  PHE A  127  1                                  11    
HELIX    5   5 GLY A  146  ARG A  152  1                                   7    
HELIX    6   6 VAL A  179  GLY A  184  5                                   6    
HELIX    7   7 ASP A  227  ASP A  230  5                                   4    
HELIX    8   8 SER A  243  LEU A  254  1                                  12    
HELIX    9   9 GLN A  265  GLY A  274  1                                  10    
HELIX   10  10 LYS A  291  ASP A  294  5                                   4    
HELIX   11  11 HIS A  295  ALA A  305  1                                  11    
HELIX   12  12 PRO A  337  SER A  354  1                                  18    
SHEET    1   A 2 THR A  36  THR A  38  0                                        
SHEET    2   A 2 PRO A  44  THR A  46 -1  O  VAL A  45   N  ILE A  37           
SHEET    1   B 7 VAL A  69  GLY A  71  0                                        
SHEET    2   B 7 ARG A 137  ASP A 145  1  O  TRP A 139   N  VAL A  70           
SHEET    3   B 7 ALA A 157  VAL A 164 -1  O  ALA A 157   N  ASP A 145           
SHEET    4   B 7 VAL A 167  CYS A 175 -1  O  GLY A 174   N  VAL A 158           
SHEET    5   B 7 TYR A 196  VAL A 201 -1  O  TYR A 196   N  CYS A 175           
SHEET    6   B 7 ALA A 206  PRO A 210 -1  O  SER A 209   N  ILE A 197           
SHEET    7   B 7 THR A 218  LYS A 219 -1  O  THR A 218   N  TYR A 208           
SHEET    1   C 5 LYS A 258  HIS A 261  0                                        
SHEET    2   C 5 ILE A 232  GLU A 235  1  N  GLU A 235   O  LEU A 260           
SHEET    3   C 5 VAL A 278  ARG A 281  1  O  VAL A 278   N  LEU A 234           
SHEET    4   C 5 VAL A 331  SER A 334 -1  O  ALA A 333   N  TYR A 279           
SHEET    5   C 5 ILE A 308  THR A 310 -1  N  THR A 310   O  ILE A 332           
LINK         SG  CYS A 349                 S2  BME A 602     1555   1555  1.82  
LINK         OE1 GLU A  72                CA    CA A 401     1555   1555  2.27  
LINK         OD1 ASP A 142                CA    CA A 401     1555   1555  2.30  
LINK         OD2 ASP A 142                CA    CA A 401     1555   1555  2.94  
LINK         OD2 ASP A 142                MG    MG A 501     1555   1555  2.32  
LINK         O   ILE A 144                CA    CA A 401     1555   1555  2.34  
LINK         OD1 ASP A 145                MG    MG A 501     1555   1555  2.20  
LINK         OD1 ASP A 294                MG    MG A 501     1555   1555  2.11  
LINK        CA    CA A 401                 O1P A3P A 601     1555   1555  2.35  
LINK        CA    CA A 401                 O   HOH A 603     1555   1555  2.40  
LINK        CA    CA A 401                 O   HOH A 613     1555   1555  2.37  
LINK        MG    MG A 501                 O1P A3P A 601     1555   1555  1.98  
LINK        MG    MG A 501                 O3' A3P A 601     1555   1555  2.26  
LINK        MG    MG A 501                 O   HOH A 639     1555   1555  2.66  
CISPEP   1 GLY A  336    PRO A  337          0         5.83                     
SITE     1 AC1  6 GLU A  72  ASP A 142  ILE A 144  A3P A 601                    
SITE     2 AC1  6 HOH A 603  HOH A 613                                          
SITE     1 AC2  5 ASP A 142  ASP A 145  ASP A 294  A3P A 601                    
SITE     2 AC2  5 HOH A 639                                                     
SITE     1 AC3 27 GLU A  72  ASP A 142  ILE A 144  ASP A 145                    
SITE     2 AC3 27 GLY A 146  THR A 147  GLY A 240  HIS A 241                    
SITE     3 AC3 27 ASP A 263  SER A 264  LYS A 267  ARG A 281                    
SITE     4 AC3 27 TYR A 288  ASP A 294   CA A 401   MG A 501                    
SITE     5 AC3 27 HOH A 606  HOH A 613  HOH A 627  HOH A 632                    
SITE     6 AC3 27 HOH A 639  HOH A 640  HOH A 675  HOH A 797                    
SITE     7 AC3 27 HOH A 815  HOH A 998  HOH A1027                               
SITE     1 AC4  6 MET A 313  GLU A 314  CYS A 349  GLN A 353                    
SITE     2 AC4  6 HOH A 807  HOH A1005                                          
CRYST1   54.875   44.968   72.110  90.00 110.72  90.00 P 1 21 1      2          
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      0.018223  0.000000  0.006895        0.00000                         
SCALE2      0.000000  0.022238  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014827        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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