HEADER    HYDROLASE                               02-OCT-06   2IK2              
TITLE     YEAST INORGANIC PYROPHOSPHATASE VARIANT D115E WITH MAGNESIUM AND      
TITLE    2 PHOSPHATE                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INORGANIC PYROPHOSPHATASE;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: PYROPHOSPHATE PHOSPHO-HYDROLASE, PPASE;                     
COMPND   5 EC: 3.6.1.1;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: 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: IPP1;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: HB101;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PKW9                                      
KEYWDS    INORGANIC PYROPHOSPHATASE, STRUCTURE-FUNCTION, MUTAGENESIS, HYDROLASE 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.OKSANEN,A.K.AHONEN,H.TUOMINEN,V.TUOMINEN,R.LAHTI,A.GOLDMAN,         
AUTHOR   2 P.HEIKINHEIMO                                                        
REVDAT   4   30-AUG-23 2IK2    1       REMARK                                   
REVDAT   3   20-OCT-21 2IK2    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 2IK2    1       VERSN                                    
REVDAT   1   13-FEB-07 2IK2    0                                                
JRNL        AUTH   E.OKSANEN,A.K.AHONEN,H.TUOMINEN,V.TUOMINEN,R.LAHTI,          
JRNL        AUTH 2 A.GOLDMAN,P.HEIKINHEIMO                                      
JRNL        TITL   A COMPLETE STRUCTURAL DESCRIPTION OF THE CATALYTIC CYCLE OF  
JRNL        TITL 2 YEAST PYROPHOSPHATASE.                                       
JRNL        REF    BIOCHEMISTRY                  V.  46  1228 2007              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   17260952                                                     
JRNL        DOI    10.1021/BI0619977                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
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) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.88                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 55353                          
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) : 0.177                           
REMARK   3   R VALUE            (WORKING SET) : 0.175                           
REMARK   3   FREE R VALUE                     : 0.217                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2933                            
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) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3832                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2930                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 186                          
REMARK   3   BIN FREE R VALUE                    : 0.3040                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4409                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 657                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.53                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : -0.01000                                             
REMARK   3    B33 (A**2) : 0.00000                                              
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): 0.124         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.122         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.081         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.637         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.954                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.927                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4541 ; 0.016 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  4010 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6183 ; 1.565 ; 1.951       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  9420 ; 0.858 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   555 ; 6.767 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
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):   677 ; 0.094 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4998 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   846 ; 0.007 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   956 ; 0.275 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  4751 ; 0.257 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  2519 ; 0.087 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   553 ; 0.241 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     7 ; 0.141 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    15 ; 0.182 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    43 ; 0.339 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    35 ; 0.277 ; 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):  2794 ; 0.913 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4535 ; 1.602 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1747 ; 2.546 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1648 ; 3.931 ; 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  : 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 2IK2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-OCT-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000039668.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-FEB-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.00                               
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                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MULTILAYER                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58354                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.8                               
REMARK 200  DATA REDUNDANCY                : 3.200                              
REMARK 200  R MERGE                    (I) : 0.06700                            
REMARK 200  R SYM                      (I) : 0.06700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.85                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34400                            
REMARK 200  R SYM FOR SHELL            (I) : 0.34400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 1HUK                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 16% MPD, 10 MM MGCL2, 1 MM PO4-, PH      
REMARK 280  6.0, VAPOR DIFFUSION, TEMPERATURE 277K, PH 6.00                     
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       46.68300            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2990 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23510 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -68.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2990 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23900 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -108.0 KCAL/MOL                       
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 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000      -51.57800            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     PRO A   108                                                      
REMARK 465     GLU A   109                                                      
REMARK 465     THR A   110                                                      
REMARK 465     LYS A   111                                                      
REMARK 465     ALA A   112                                                      
REMARK 465     VAL A   113                                                      
REMARK 465     SER A   283                                                      
REMARK 465     GLY A   284                                                      
REMARK 465     SER A   285                                                      
REMARK 465     VAL A   286                                                      
REMARK 465     SER B   283                                                      
REMARK 465     GLY B   284                                                      
REMARK 465     SER B   285                                                      
REMARK 465     VAL B   286                                                      
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  24    CD   CE   NZ                                        
REMARK 470     GLU A  39    CG   CD   OE1  OE2                                  
REMARK 470     ASN A 104    CG   OD1  ND2                                       
REMARK 470     VAL A 105    CG1  CG2                                            
REMARK 470     SER A 106    CB   OG                                             
REMARK 470     HIS A 107    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLU A 148    CB   CG   CD   OE1  OE2                             
REMARK 470     GLN A 202    CD   OE1  NE2                                       
REMARK 470     LYS A 213    CD   CE   NZ                                        
REMARK 470     LYS A 220    CG   CD   CE   NZ                                   
REMARK 470     SER A 234    OG                                                  
REMARK 470     SER A 235    OG                                                  
REMARK 470     ASP A 236    CG   OD1  OD2                                       
REMARK 470     LYS A 238    CG   CD   CE   NZ                                   
REMARK 470     LYS A 274    CG   CD   CE   NZ                                   
REMARK 470     GLU B  39    CD   OE1  OE2                                       
REMARK 470     LYS B  73    CG   CD   CE   NZ                                   
REMARK 470     ILE B 282    O                                                   
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 B   384     O    HOH B   578              1.14            
REMARK 500   NE   ARG B    51     O    HOH B   293              1.54            
REMARK 500   CD   ARG B    51     O    HOH B   293              1.59            
REMARK 500   O    LYS A   255     O    HOH A   515              1.62            
REMARK 500   ND2  ASN A   244     O    HOH A   457              1.65            
REMARK 500   CZ   ARG B    51     O    HOH B   293              1.65            
REMARK 500   OD2  ASP A    31     O    HOH A   489              1.67            
REMARK 500   O    HOH B   417     O    HOH B   504              1.71            
REMARK 500   CG2  ILE B   158     O    HOH B   516              1.77            
REMARK 500   OG1  THR A   243     O    HOH A   372              1.79            
REMARK 500   NH1  ARG B    51     O    HOH B   293              1.85            
REMARK 500   CB   SER A   265     O    HOH A   402              1.86            
REMARK 500   CB   SER B   225     O    HOH B   563              1.90            
REMARK 500   O    HOH A   438     O    HOH A   484              1.92            
REMARK 500   O    HOH A   381     O    HOH A   439              1.98            
REMARK 500   OE2  GLU A   101     O    HOH A   509              1.98            
REMARK 500   CD1  LEU A   247     O    HOH A   510              1.99            
REMARK 500   OD1  ASP A   241     O    HOH A   372              2.00            
REMARK 500   O    HOH A   452     O    HOH A   462              2.00            
REMARK 500   CB   SER A   258     O    HOH A   511              2.01            
REMARK 500   O    HOH B   451     O    HOH B   553              2.02            
REMARK 500   O2   PO4 A   292     O    HOH A   475              2.04            
REMARK 500   O    GLU B   115     O    HOH B   489              2.05            
REMARK 500   NZ   LYS B    10     O    HOH B   592              2.05            
REMARK 500   O    HOH B   473     O    HOH B   613              2.10            
REMARK 500   O    TYR A   253     O    HOH A   508              2.10            
REMARK 500   OD1  ASP A   259     O    HOH A   514              2.13            
REMARK 500   OG   SER A   258     O    HOH A   511              2.13            
REMARK 500   O    HOH A   481     O    HOH A   572              2.14            
REMARK 500   O    HOH B   544     O    HOH B   580              2.16            
REMARK 500   O    HOH B   414     O    HOH B   422              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   516     O    HOH B   458     1454     1.73            
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    ARG B  51   CZ    ARG B  51   NH1     0.089                       
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    ASP A 173   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ARG A 183   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG A 183   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    ASP A 259   CB  -  CG  -  OD2 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ASP B  22   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ARG B  51   CD  -  NE  -  CZ  ANGL. DEV. =  10.1 DEGREES          
REMARK 500    ARG B  51   NE  -  CZ  -  NH1 ANGL. DEV. =  13.4 DEGREES          
REMARK 500    ARG B  51   NE  -  CZ  -  NH2 ANGL. DEV. = -13.1 DEGREES          
REMARK 500    ARG B 190   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    ARG B 190   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    ASP B 241   CB  -  CG  -  OD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ASP B 277   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 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    ASP A  37       88.14   -151.38                                   
REMARK 500    SER A 237       36.96    -90.12                                   
REMARK 500    LEU A 247       79.50   -113.29                                   
REMARK 500    SER A 254       89.37   -155.96                                   
REMARK 500    LEU A 266       77.70   -111.44                                   
REMARK 500    ASN B 116       69.20     67.54                                   
REMARK 500    ASP B 236      107.72   -162.47                                   
REMARK 500    LEU B 247       79.08   -114.54                                   
REMARK 500    SER B 254       96.60   -164.58                                   
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                              MG A 289  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  58   OE2                                                    
REMARK 620 2 PO4 A 291   O1   92.1                                              
REMARK 620 3 PO4 A 292   O1   88.8  90.7                                        
REMARK 620 4 HOH A 414   O    85.4  88.1 174.0                                  
REMARK 620 5 HOH A 535   O    69.6 161.1  84.4  94.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 287  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 115   OE1                                                    
REMARK 620 2 ASP A 120   OD2 166.1                                              
REMARK 620 3 ASP A 152   OD1  83.8  85.1                                        
REMARK 620 4 HOH A 317   O    95.3  94.5  97.5                                  
REMARK 620 5 HOH A 325   O    86.3 102.7 164.8  95.0                            
REMARK 620 6 HOH A 326   O    91.4  77.8  76.3 170.4  92.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 288  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 120   OD1                                                    
REMARK 620 2 PO4 A 292   O3   91.2                                              
REMARK 620 3 HOH A 319   O    80.7  96.4                                        
REMARK 620 4 HOH A 320   O   100.7  83.5 178.6                                  
REMARK 620 5 HOH A 332   O    89.6 173.6  90.0  90.0                            
REMARK 620 6 HOH A 337   O   167.3  90.6  86.6  92.0  90.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 290  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 147   OD2                                                    
REMARK 620 2 ASP A 152   OD2  87.6                                              
REMARK 620 3 PO4 A 291   O3  101.6 163.8                                        
REMARK 620 4 PO4 A 292   O4  129.0  85.5  78.4                                  
REMARK 620 5 HOH A 533   O   130.8  98.7  85.5 100.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 289  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  58   OE2                                                    
REMARK 620 2 PO4 B 291   O2   94.3                                              
REMARK 620 3 PO4 B 292   O4  103.2 102.7                                        
REMARK 620 4 HOH B 564   O   166.2  85.4  90.3                                  
REMARK 620 5 HOH B 605   O    77.2  94.6 162.6  89.1                            
REMARK 620 6 HOH B 665   O    83.9 163.6  93.6  92.5  69.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 287  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B 115   OE1                                                    
REMARK 620 2 ASP B 120   OD2 167.0                                              
REMARK 620 3 ASP B 152   OD1  91.1  76.4                                        
REMARK 620 4 PO4 B 291   O4   97.3  90.5 109.3                                  
REMARK 620 5 HOH B 327   O    90.9 100.5 167.7  82.4                            
REMARK 620 6 HOH B 376   O    80.9  94.7  88.2 162.5  80.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 290  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B 115   OE2                                                    
REMARK 620 2 ASP B 147   OD2 106.0                                              
REMARK 620 3 ASP B 152   OD2  99.6  94.7                                        
REMARK 620 4 PO4 B 291   O4   91.2 161.5  89.1                                  
REMARK 620 5 PO4 B 292   O1   90.5  89.4 167.5  83.5                            
REMARK 620 6 HOH B 474   O   169.1  84.5  76.1  78.8  92.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 288  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 120   OD1                                                    
REMARK 620 2 PO4 B 291   O3   91.1                                              
REMARK 620 3 HOH B 299   O    89.8 175.9                                        
REMARK 620 4 HOH B 303   O    86.0  94.6  89.4                                  
REMARK 620 5 HOH B 315   O   172.4  88.2  91.4  86.6                            
REMARK 620 6 HOH B 327   O    93.8  84.4  91.6 179.0  93.6                      
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 MG A 287                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 288                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 289                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 290                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 287                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 288                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 289                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 290                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 291                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 292                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 291                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 292                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1WGI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1E9G   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1E6A   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IHP   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IK1   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IK0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IK4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IK6   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IK7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2IK9   RELATED DB: PDB                                   
DBREF  2IK2 A    1   286  UNP    P00817   IPYR_YEAST       1    286             
DBREF  2IK2 B    1   286  UNP    P00817   IPYR_YEAST       1    286             
SEQADV 2IK2 GLU A  115  UNP  P00817    ASP   115 ENGINEERED MUTATION            
SEQADV 2IK2 GLU B  115  UNP  P00817    ASP   115 ENGINEERED MUTATION            
SEQRES   1 A  286  THR TYR THR THR ARG GLN ILE GLY ALA LYS ASN THR LEU          
SEQRES   2 A  286  GLU TYR LYS VAL TYR ILE GLU LYS ASP GLY LYS PRO VAL          
SEQRES   3 A  286  SER ALA PHE HIS ASP ILE PRO LEU TYR ALA ASP LYS GLU          
SEQRES   4 A  286  ASN ASN ILE PHE ASN MET VAL VAL GLU ILE PRO ARG TRP          
SEQRES   5 A  286  THR ASN ALA LYS LEU GLU ILE THR LYS GLU GLU THR LEU          
SEQRES   6 A  286  ASN PRO ILE ILE GLN ASP THR LYS LYS GLY LYS LEU ARG          
SEQRES   7 A  286  PHE VAL ARG ASN CYS PHE PRO HIS HIS GLY TYR ILE HIS          
SEQRES   8 A  286  ASN TYR GLY ALA PHE PRO GLN THR TRP GLU ASP PRO ASN          
SEQRES   9 A  286  VAL SER HIS PRO GLU THR LYS ALA VAL GLY GLU ASN ASP          
SEQRES  10 A  286  PRO ILE ASP VAL LEU GLU ILE GLY GLU THR ILE ALA TYR          
SEQRES  11 A  286  THR GLY GLN VAL LYS GLN VAL LYS ALA LEU GLY ILE MET          
SEQRES  12 A  286  ALA LEU LEU ASP GLU GLY GLU THR ASP TRP LYS VAL ILE          
SEQRES  13 A  286  ALA ILE ASP ILE ASN ASP PRO LEU ALA PRO LYS LEU ASN          
SEQRES  14 A  286  ASP ILE GLU ASP VAL GLU LYS TYR PHE PRO GLY LEU LEU          
SEQRES  15 A  286  ARG ALA THR ASN GLU TRP PHE ARG ILE TYR LYS ILE PRO          
SEQRES  16 A  286  ASP GLY LYS PRO GLU ASN GLN PHE ALA PHE SER GLY GLU          
SEQRES  17 A  286  ALA LYS ASN LYS LYS TYR ALA LEU ASP ILE ILE LYS GLU          
SEQRES  18 A  286  THR HIS ASP SER TRP LYS GLN LEU ILE ALA GLY LYS SER          
SEQRES  19 A  286  SER ASP SER LYS GLY ILE ASP LEU THR ASN VAL THR LEU          
SEQRES  20 A  286  PRO ASP THR PRO THR TYR SER LYS ALA ALA SER ASP ALA          
SEQRES  21 A  286  ILE PRO PRO ALA SER LEU LYS ALA ASP ALA PRO ILE ASP          
SEQRES  22 A  286  LYS SER ILE ASP LYS TRP PHE PHE ILE SER GLY SER VAL          
SEQRES   1 B  286  THR TYR THR THR ARG GLN ILE GLY ALA LYS ASN THR LEU          
SEQRES   2 B  286  GLU TYR LYS VAL TYR ILE GLU LYS ASP GLY LYS PRO VAL          
SEQRES   3 B  286  SER ALA PHE HIS ASP ILE PRO LEU TYR ALA ASP LYS GLU          
SEQRES   4 B  286  ASN ASN ILE PHE ASN MET VAL VAL GLU ILE PRO ARG TRP          
SEQRES   5 B  286  THR ASN ALA LYS LEU GLU ILE THR LYS GLU GLU THR LEU          
SEQRES   6 B  286  ASN PRO ILE ILE GLN ASP THR LYS LYS GLY LYS LEU ARG          
SEQRES   7 B  286  PHE VAL ARG ASN CYS PHE PRO HIS HIS GLY TYR ILE HIS          
SEQRES   8 B  286  ASN TYR GLY ALA PHE PRO GLN THR TRP GLU ASP PRO ASN          
SEQRES   9 B  286  VAL SER HIS PRO GLU THR LYS ALA VAL GLY GLU ASN ASP          
SEQRES  10 B  286  PRO ILE ASP VAL LEU GLU ILE GLY GLU THR ILE ALA TYR          
SEQRES  11 B  286  THR GLY GLN VAL LYS GLN VAL LYS ALA LEU GLY ILE MET          
SEQRES  12 B  286  ALA LEU LEU ASP GLU GLY GLU THR ASP TRP LYS VAL ILE          
SEQRES  13 B  286  ALA ILE ASP ILE ASN ASP PRO LEU ALA PRO LYS LEU ASN          
SEQRES  14 B  286  ASP ILE GLU ASP VAL GLU LYS TYR PHE PRO GLY LEU LEU          
SEQRES  15 B  286  ARG ALA THR ASN GLU TRP PHE ARG ILE TYR LYS ILE PRO          
SEQRES  16 B  286  ASP GLY LYS PRO GLU ASN GLN PHE ALA PHE SER GLY GLU          
SEQRES  17 B  286  ALA LYS ASN LYS LYS TYR ALA LEU ASP ILE ILE LYS GLU          
SEQRES  18 B  286  THR HIS ASP SER TRP LYS GLN LEU ILE ALA GLY LYS SER          
SEQRES  19 B  286  SER ASP SER LYS GLY ILE ASP LEU THR ASN VAL THR LEU          
SEQRES  20 B  286  PRO ASP THR PRO THR TYR SER LYS ALA ALA SER ASP ALA          
SEQRES  21 B  286  ILE PRO PRO ALA SER LEU LYS ALA ASP ALA PRO ILE ASP          
SEQRES  22 B  286  LYS SER ILE ASP LYS TRP PHE PHE ILE SER GLY SER VAL          
HET     MG  A 287       1                                                       
HET     MG  A 288       1                                                       
HET     MG  A 289       1                                                       
HET     MG  A 290       1                                                       
HET    PO4  A 291       5                                                       
HET    PO4  A 292       5                                                       
HET     MG  B 287       1                                                       
HET     MG  B 288       1                                                       
HET     MG  B 289       1                                                       
HET     MG  B 290       1                                                       
HET    PO4  B 291       5                                                       
HET    PO4  B 292       5                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   3   MG    8(MG 2+)                                                     
FORMUL   7  PO4    4(O4 P 3-)                                                   
FORMUL  15  HOH   *657(H2 O)                                                    
HELIX    1   1 LEU A  164  LEU A  168  5                                   5    
HELIX    2   2 ILE A  171  PHE A  178  1                                   8    
HELIX    3   3 GLY A  180  TYR A  192  1                                  13    
HELIX    4   4 LYS A  193  GLY A  197  5                                   5    
HELIX    5   5 PHE A  205  GLU A  208  5                                   4    
HELIX    6   6 LYS A  212  GLY A  232  1                                  21    
HELIX    7   7 LYS A  255  ILE A  261  1                                   7    
HELIX    8   8 ASP A  273  ASP A  277  5                                   5    
HELIX    9   9 LEU B  164  LEU B  168  5                                   5    
HELIX   10  10 ASP B  170  PHE B  178  1                                   9    
HELIX   11  11 GLY B  180  TYR B  192  1                                  13    
HELIX   12  12 LYS B  193  GLY B  197  5                                   5    
HELIX   13  13 PHE B  205  GLU B  208  5                                   4    
HELIX   14  14 LYS B  212  ALA B  231  1                                  20    
HELIX   15  15 SER B  254  ASP B  259  5                                   6    
HELIX   16  16 ASP B  273  ASP B  277  5                                   5    
SHEET    1   A 3 TYR A   2  ILE A   7  0                                        
SHEET    2   A 3 LYS A  16  LYS A  21 -1  O  LYS A  16   N  ILE A   7           
SHEET    3   A 3 LYS A  24  VAL A  26 -1  O  LYS A  24   N  LYS A  21           
SHEET    1   B 4 TYR A   2  ILE A   7  0                                        
SHEET    2   B 4 LYS A  16  LYS A  21 -1  O  LYS A  16   N  ILE A   7           
SHEET    3   B 4 ILE A  68  GLN A  70 -1  O  ILE A  68   N  VAL A  17           
SHEET    4   B 4 LEU A  57  ILE A  59 -1  N  GLU A  58   O  ILE A  69           
SHEET    1   C 7 TYR A  35  ASP A  37  0                                        
SHEET    2   C 7 ILE A  42  ILE A  49 -1  O  ILE A  42   N  ALA A  36           
SHEET    3   C 7 ASN A  92  ALA A  95 -1  O  TYR A  93   N  ILE A  49           
SHEET    4   C 7 ASP A 120  GLU A 123 -1  O  GLU A 123   N  ASN A  92           
SHEET    5   C 7 THR A 151  ASP A 159  1  O  VAL A 155   N  LEU A 122           
SHEET    6   C 7 VAL A 134  LEU A 146 -1  N  LEU A 145   O  ASP A 152           
SHEET    7   C 7 LYS A 210  ASN A 211 -1  O  LYS A 210   N  ILE A 142           
SHEET    1   D 7 TYR A  35  ASP A  37  0                                        
SHEET    2   D 7 ILE A  42  ILE A  49 -1  O  ILE A  42   N  ALA A  36           
SHEET    3   D 7 ASN A  92  ALA A  95 -1  O  TYR A  93   N  ILE A  49           
SHEET    4   D 7 ASP A 120  GLU A 123 -1  O  GLU A 123   N  ASN A  92           
SHEET    5   D 7 THR A 151  ASP A 159  1  O  VAL A 155   N  LEU A 122           
SHEET    6   D 7 VAL A 134  LEU A 146 -1  N  LEU A 145   O  ASP A 152           
SHEET    7   D 7 GLN A 202  PHE A 203 -1  O  GLN A 202   N  LEU A 146           
SHEET    1   E 4 TYR A  35  ASP A  37  0                                        
SHEET    2   E 4 ILE A  42  ILE A  49 -1  O  ILE A  42   N  ALA A  36           
SHEET    3   E 4 VAL A 134  LEU A 146 -1  O  LYS A 135   N  MET A  45           
SHEET    4   E 4 GLN A 202  PHE A 203 -1  O  GLN A 202   N  LEU A 146           
SHEET    1   F 4 TYR A  35  ASP A  37  0                                        
SHEET    2   F 4 ILE A  42  ILE A  49 -1  O  ILE A  42   N  ALA A  36           
SHEET    3   F 4 VAL A 134  LEU A 146 -1  O  LYS A 135   N  MET A  45           
SHEET    4   F 4 LYS A 210  ASN A 211 -1  O  LYS A 210   N  ILE A 142           
SHEET    1   G 2 THR A  72  LYS A  73  0                                        
SHEET    2   G 2 LYS A  76  LEU A  77 -1  O  LYS A  76   N  LYS A  73           
SHEET    1   H 2 ASN A  82  CYS A  83  0                                        
SHEET    2   H 2 TRP A 279  PHE A 280  1  O  PHE A 280   N  ASN A  82           
SHEET    1   I 4 LYS B  24  VAL B  26  0                                        
SHEET    2   I 4 LYS B  16  LYS B  21 -1  N  LYS B  21   O  LYS B  24           
SHEET    3   I 4 TYR B   2  ALA B   9 -1  N  ILE B   7   O  LYS B  16           
SHEET    4   I 4 SER B 265  LYS B 267  1  O  SER B 265   N  GLN B   6           
SHEET    1   J 7 TYR B  35  ASP B  37  0                                        
SHEET    2   J 7 ILE B  42  ILE B  49 -1  O  ILE B  42   N  ALA B  36           
SHEET    3   J 7 ASN B  92  ALA B  95 -1  O  TYR B  93   N  ILE B  49           
SHEET    4   J 7 ASP B 120  GLU B 123 -1  O  GLU B 123   N  ASN B  92           
SHEET    5   J 7 GLU B 150  ASP B 159  1  O  VAL B 155   N  LEU B 122           
SHEET    6   J 7 VAL B 134  ASP B 147 -1  N  LEU B 140   O  ILE B 156           
SHEET    7   J 7 LYS B 210  ASN B 211 -1  O  LYS B 210   N  ILE B 142           
SHEET    1   K 7 TYR B  35  ASP B  37  0                                        
SHEET    2   K 7 ILE B  42  ILE B  49 -1  O  ILE B  42   N  ALA B  36           
SHEET    3   K 7 ASN B  92  ALA B  95 -1  O  TYR B  93   N  ILE B  49           
SHEET    4   K 7 ASP B 120  GLU B 123 -1  O  GLU B 123   N  ASN B  92           
SHEET    5   K 7 GLU B 150  ASP B 159  1  O  VAL B 155   N  LEU B 122           
SHEET    6   K 7 VAL B 134  ASP B 147 -1  N  LEU B 140   O  ILE B 156           
SHEET    7   K 7 GLN B 202  PHE B 203 -1  O  GLN B 202   N  LEU B 146           
SHEET    1   L 4 TYR B  35  ASP B  37  0                                        
SHEET    2   L 4 ILE B  42  ILE B  49 -1  O  ILE B  42   N  ALA B  36           
SHEET    3   L 4 VAL B 134  ASP B 147 -1  O  LYS B 135   N  MET B  45           
SHEET    4   L 4 GLN B 202  PHE B 203 -1  O  GLN B 202   N  LEU B 146           
SHEET    1   M 4 TYR B  35  ASP B  37  0                                        
SHEET    2   M 4 ILE B  42  ILE B  49 -1  O  ILE B  42   N  ALA B  36           
SHEET    3   M 4 VAL B 134  ASP B 147 -1  O  LYS B 135   N  MET B  45           
SHEET    4   M 4 LYS B 210  ASN B 211 -1  O  LYS B 210   N  ILE B 142           
SHEET    1   N 2 LEU B  57  ILE B  59  0                                        
SHEET    2   N 2 ILE B  68  GLN B  70 -1  O  ILE B  69   N  GLU B  58           
SHEET    1   O 2 THR B  72  LYS B  73  0                                        
SHEET    2   O 2 LYS B  76  LEU B  77 -1  O  LYS B  76   N  LYS B  73           
SHEET    1   P 2 ASN B  82  CYS B  83  0                                        
SHEET    2   P 2 TRP B 279  PHE B 280  1  O  PHE B 280   N  ASN B  82           
LINK         OE2 GLU A  58                MG    MG A 289     1555   1555  2.36  
LINK         OE1 GLU A 115                MG    MG A 287     1555   1555  2.17  
LINK         OD2 ASP A 120                MG    MG A 287     1555   1555  2.16  
LINK         OD1 ASP A 120                MG    MG A 288     1555   1555  1.97  
LINK         OD2 ASP A 147                MG    MG A 290     1555   1555  3.05  
LINK         OD1 ASP A 152                MG    MG A 287     1555   1555  2.04  
LINK         OD2 ASP A 152                MG    MG A 290     1555   1555  2.35  
LINK        MG    MG A 287                 O   HOH A 317     1555   1555  2.19  
LINK        MG    MG A 287                 O   HOH A 325     1555   1555  1.71  
LINK        MG    MG A 287                 O   HOH A 326     1555   1555  1.99  
LINK        MG    MG A 288                 O3  PO4 A 292     1555   1555  2.10  
LINK        MG    MG A 288                 O   HOH A 319     1555   1555  2.14  
LINK        MG    MG A 288                 O   HOH A 320     1555   1555  2.13  
LINK        MG    MG A 288                 O   HOH A 332     1555   1555  2.19  
LINK        MG    MG A 288                 O   HOH A 337     1555   1555  2.10  
LINK        MG    MG A 289                 O1  PO4 A 291     1555   1555  2.16  
LINK        MG    MG A 289                 O1  PO4 A 292     1555   1555  2.06  
LINK        MG    MG A 289                 O   HOH A 414     1555   1555  2.21  
LINK        MG    MG A 289                 O   HOH A 535     1555   1555  2.22  
LINK        MG    MG A 290                 O3  PO4 A 291     1555   1555  2.21  
LINK        MG    MG A 290                 O4  PO4 A 292     1555   1555  2.36  
LINK        MG    MG A 290                 O   HOH A 533     1555   1555  2.14  
LINK         OE2 GLU B  58                MG    MG B 289     1555   1555  2.25  
LINK         OE1 GLU B 115                MG    MG B 287     1555   1555  1.83  
LINK         OE2 GLU B 115                MG    MG B 290     1555   1555  2.14  
LINK         OD2 ASP B 120                MG    MG B 287     1555   1555  2.01  
LINK         OD1 ASP B 120                MG    MG B 288     1555   1555  1.98  
LINK         OD2 ASP B 147                MG    MG B 290     1555   1555  1.83  
LINK         OD1 ASP B 152                MG    MG B 287     1555   1555  2.25  
LINK         OD2 ASP B 152                MG    MG B 290     1555   1555  2.48  
LINK        MG    MG B 287                 O4  PO4 B 291     1555   1555  2.15  
LINK        MG    MG B 287                 O   HOH B 327     1555   1555  2.34  
LINK        MG    MG B 287                 O   HOH B 376     1555   1555  2.50  
LINK        MG    MG B 288                 O3  PO4 B 291     1555   1555  2.10  
LINK        MG    MG B 288                 O   HOH B 299     1555   1555  2.12  
LINK        MG    MG B 288                 O   HOH B 303     1555   1555  2.08  
LINK        MG    MG B 288                 O   HOH B 315     1555   1555  2.06  
LINK        MG    MG B 288                 O   HOH B 327     1555   1555  2.01  
LINK        MG    MG B 289                 O2  PO4 B 291     1555   1555  1.91  
LINK        MG    MG B 289                 O4  PO4 B 292     1555   1555  1.93  
LINK        MG    MG B 289                 O   HOH B 564     1555   1555  2.22  
LINK        MG    MG B 289                 O   HOH B 605     1555   1555  2.51  
LINK        MG    MG B 289                 O   HOH B 665     1555   1555  2.43  
LINK        MG    MG B 290                 O4  PO4 B 291     1555   1555  2.15  
LINK        MG    MG B 290                 O1  PO4 B 292     1555   1555  2.02  
LINK        MG    MG B 290                 O   HOH B 474     1555   1555  2.42  
CISPEP   1 PHE A   84    PRO A   85          0         6.32                     
CISPEP   2 PHE B   84    PRO B   85          0         3.11                     
SITE     1 AC1  6 GLU A 115  ASP A 120  ASP A 152  HOH A 317                    
SITE     2 AC1  6 HOH A 325  HOH A 326                                          
SITE     1 AC2  6 ASP A 120  PO4 A 292  HOH A 319  HOH A 320                    
SITE     2 AC2  6 HOH A 332  HOH A 337                                          
SITE     1 AC3  5 GLU A  58  PO4 A 291  PO4 A 292  HOH A 414                    
SITE     2 AC3  5 HOH A 535                                                     
SITE     1 AC4  5 ASP A 147  ASP A 152  PO4 A 291  PO4 A 292                    
SITE     2 AC4  5 HOH A 533                                                     
SITE     1 AC5  8 GLU B 115  ASP B 120  ASP B 152   MG B 288                    
SITE     2 AC5  8  MG B 290  PO4 B 291  HOH B 327  HOH B 376                    
SITE     1 AC6  7 ASP B 120   MG B 287  PO4 B 291  HOH B 299                    
SITE     2 AC6  7 HOH B 303  HOH B 315  HOH B 327                               
SITE     1 AC7  6 GLU B  58  PO4 B 291  PO4 B 292  HOH B 564                    
SITE     2 AC7  6 HOH B 605  HOH B 665                                          
SITE     1 AC8  7 GLU B 115  ASP B 147  ASP B 152   MG B 287                    
SITE     2 AC8  7 PO4 B 291  PO4 B 292  HOH B 474                               
SITE     1 AC9 20 LYS B  56  GLU B  58  TYR B  93  GLU B 115                    
SITE     2 AC9 20 ASP B 117  ASP B 120  ASP B 152  LYS B 154                    
SITE     3 AC9 20  MG B 287   MG B 288   MG B 289   MG B 290                    
SITE     4 AC9 20 PO4 B 292  HOH B 303  HOH B 315  HOH B 327                    
SITE     5 AC9 20 HOH B 473  HOH B 474  HOH B 564  HOH B 613                    
SITE     1 BC1 12 LYS B  56  GLU B  58  ARG B  78  GLU B 115                    
SITE     2 BC1 12 ASP B 147  TYR B 192  LYS B 193   MG B 289                    
SITE     3 BC1 12  MG B 290  PO4 B 291  HOH B 473  HOH B 564                    
SITE     1 BC2 10 GLU A  58  ARG A  78  TYR A 192  LYS A 193                    
SITE     2 BC2 10  MG A 289   MG A 290  PO4 A 292  HOH A 414                    
SITE     3 BC2 10 HOH A 494  HOH A 533                                          
SITE     1 BC3 16 LYS A  56  GLU A  58  TYR A  93  ASP A 120                    
SITE     2 BC3 16 ASP A 152  LYS A 154   MG A 288   MG A 289                    
SITE     3 BC3 16  MG A 290  PO4 A 291  HOH A 320  HOH A 326                    
SITE     4 BC3 16 HOH A 337  HOH A 404  HOH A 475  HOH A 535                    
CRYST1   51.578   93.366   69.797  90.00  99.86  90.00 P 1 21 1      4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.019388  0.000000  0.003372        0.00000                         
SCALE2      0.000000  0.010711  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014542        0.00000