HEADER    HYDROLASE                               26-DEC-97   1HUK              
TITLE     REFINED STRUCTURE OF YEAST INORGANIC PYROPHOSPHATASE AND ITS K61R     
TITLE    2 MUTANT                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INORGANIC PYROPHOSPHATASE;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.6.1.1;                                                         
COMPND   5 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HYDROLASE, MAGNESIUM                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.SWAMINATHAN,B.S.COOPERMAN,R.LAHTI,D.VOET                            
REVDAT   4   22-MAY-24 1HUK    1       REMARK                                   
REVDAT   3   09-AUG-23 1HUK    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1HUK    1       VERSN                                    
REVDAT   1   08-APR-98 1HUK    0                                                
JRNL        AUTH   K.SWAMINATHAN,B.S.COOPERMAN,R.LAHTI,D.VOET                   
JRNL        TITL   REFINED STRUCTURE OF YEAST INORGANIC PYROPHOSPHATASE AND ITS 
JRNL        TITL 2 K61R MUTANT                                                  
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 85.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 27238                          
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 SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.288                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2704                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.33                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 27.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1311                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2440                       
REMARK   3   BIN FREE R VALUE                    : 0.3520                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 11.20                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 166                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.027                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4492                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 311                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 14.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.35                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.30                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 26.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.000                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.180 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.140 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.620 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.100 ; 2.500                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT CORRECTION APPLIED           
REMARK   4                                                                      
REMARK   4 1HUK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000174029.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-MAR-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 93                                 
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MSC/YALE MIRRORS                   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28288                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.230                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.7                               
REMARK 200  DATA REDUNDANCY                : 2.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: LOW RESOLUTION STRUCTURE (PDB ENTRY 1PYP)            
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZATION CONDITIONS: 10 MG/ML     
REMARK 280  PROTEIN IN 0.1 M MES (PH 6.5) BUFFER. 10 MICROLITER DROPS IN 9      
REMARK 280  WELL DEPRESSION PLATE IN A PLASTIC SANDWICH BOX CONTAINING 15       
REMARK 280  MILLILITER OF 0.1 M MES(PH 6.5) + 16 % MPD. EVERY ALTERNATE DAY,    
REMARK 280  MPD CONCENTRATION INCREASED BY 1 % UNTIL FINAL CONCENTRATION        
REMARK 280  REACHED 25 %. 4 DEGREE C. WITHIN 15 DAYS, 0.2 X 0.3 X 0.4 MM        
REMARK 280  CRYSTALS., MICROLITER DROPS, TEMPERATURE 277K                       
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       46.53000            
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 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: 2210 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23360 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 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 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    LYS A 233   CB  -  CA  -  C   ANGL. DEV. = -13.6 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    TYR A   2      -66.88   -106.31                                   
REMARK 500    ASP A 236      102.32   -170.84                                   
REMARK 500    SER A 254       99.79   -169.21                                   
REMARK 500    SER A 265       49.93   -141.11                                   
REMARK 500    TYR B   2      -69.46   -123.12                                   
REMARK 500    LYS B 111       83.60    -47.46                                   
REMARK 500    ALA B 112      142.70   -176.41                                   
REMARK 500    ASN B 169      -35.76   -136.19                                   
REMARK 500    PHE B 205       26.36     48.83                                   
REMARK 500    ASP B 236      104.37   -167.26                                   
REMARK 500    SER B 254       88.78   -174.33                                   
REMARK 500    LEU B 266       45.95   -102.72                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A  15         0.07    SIDE CHAIN                              
REMARK 500    ARG A  51         0.09    SIDE CHAIN                              
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 282  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 115   OD2                                                    
REMARK 620 2 ASP A 120   OD2 167.9                                              
REMARK 620 3 ASP A 152   OD1  85.1  83.2                                        
REMARK 620 4 ASP A 152   OD2  71.0 102.0  43.6                                  
REMARK 620 5 HOH A 283   O    97.1  95.0 171.4 129.4                            
REMARK 620 6 HOH A 284   O    88.5  89.2  92.4 131.2  95.9                      
REMARK 620 7 HOH A 285   O   103.0  80.9  94.7  59.8  76.8 167.0                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 282  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 115   OD2                                                    
REMARK 620 2 ASP B 120   OD2 153.2                                              
REMARK 620 3 ASP B 152   OD1  80.3  74.4                                        
REMARK 620 4 HOH B 285   O   110.5  82.9 136.7                                  
REMARK 620 5 HOH B 286   O    75.3 129.4 133.1  89.7                            
REMARK 620 6 HOH B 287   O    86.3  75.8  67.5  71.5 147.3                      
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 MG A 282                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 282                  
DBREF  1HUK A    1   281  UNP    P00817   IPYR_YEAST       1    281             
DBREF  1HUK B    1   281  UNP    P00817   IPYR_YEAST       1    281             
SEQRES   1 A  281  THR TYR THR THR ARG GLN ILE GLY ALA LYS ASN THR LEU          
SEQRES   2 A  281  GLU TYR LYS VAL TYR ILE GLU LYS ASP GLY LYS PRO VAL          
SEQRES   3 A  281  SER ALA PHE HIS ASP ILE PRO LEU TYR ALA ASP LYS GLU          
SEQRES   4 A  281  ASN ASN ILE PHE ASN MET VAL VAL GLU ILE PRO ARG TRP          
SEQRES   5 A  281  THR ASN ALA LYS LEU GLU ILE THR LYS GLU GLU THR LEU          
SEQRES   6 A  281  ASN PRO ILE ILE GLN ASP THR LYS LYS GLY LYS LEU ARG          
SEQRES   7 A  281  PHE VAL ARG ASN CYS PHE PRO HIS HIS GLY TYR ILE HIS          
SEQRES   8 A  281  ASN TYR GLY ALA PHE PRO GLN THR TRP GLU ASP PRO ASN          
SEQRES   9 A  281  VAL SER HIS PRO GLU THR LYS ALA VAL GLY ASP ASN ASP          
SEQRES  10 A  281  PRO ILE ASP VAL LEU GLU ILE GLY GLU THR ILE ALA TYR          
SEQRES  11 A  281  THR GLY GLN VAL LYS GLN VAL LYS ALA LEU GLY ILE MET          
SEQRES  12 A  281  ALA LEU LEU ASP GLU GLY GLU THR ASP TRP LYS VAL ILE          
SEQRES  13 A  281  ALA ILE ASP ILE ASN ASP PRO LEU ALA PRO LYS LEU ASN          
SEQRES  14 A  281  ASP ILE GLU ASP VAL GLU LYS TYR PHE PRO GLY LEU LEU          
SEQRES  15 A  281  ARG ALA THR ASN GLU TRP PHE ARG ILE TYR LYS ILE PRO          
SEQRES  16 A  281  ASP GLY LYS PRO GLU ASN GLN PHE ALA PHE SER GLY GLU          
SEQRES  17 A  281  ALA LYS ASN LYS LYS TYR ALA LEU ASP ILE ILE LYS GLU          
SEQRES  18 A  281  THR HIS ASP SER TRP LYS GLN LEU ILE ALA GLY LYS SER          
SEQRES  19 A  281  SER ASP SER LYS GLY ILE ASP LEU THR ASN VAL THR LEU          
SEQRES  20 A  281  PRO ASP THR PRO THR TYR SER LYS ALA ALA SER ASP ALA          
SEQRES  21 A  281  ILE PRO PRO ALA SER LEU LYS ALA ASP ALA PRO ILE ASP          
SEQRES  22 A  281  LYS SER ILE ASP LYS TRP PHE PHE                              
SEQRES   1 B  281  THR TYR THR THR ARG GLN ILE GLY ALA LYS ASN THR LEU          
SEQRES   2 B  281  GLU TYR LYS VAL TYR ILE GLU LYS ASP GLY LYS PRO VAL          
SEQRES   3 B  281  SER ALA PHE HIS ASP ILE PRO LEU TYR ALA ASP LYS GLU          
SEQRES   4 B  281  ASN ASN ILE PHE ASN MET VAL VAL GLU ILE PRO ARG TRP          
SEQRES   5 B  281  THR ASN ALA LYS LEU GLU ILE THR LYS GLU GLU THR LEU          
SEQRES   6 B  281  ASN PRO ILE ILE GLN ASP THR LYS LYS GLY LYS LEU ARG          
SEQRES   7 B  281  PHE VAL ARG ASN CYS PHE PRO HIS HIS GLY TYR ILE HIS          
SEQRES   8 B  281  ASN TYR GLY ALA PHE PRO GLN THR TRP GLU ASP PRO ASN          
SEQRES   9 B  281  VAL SER HIS PRO GLU THR LYS ALA VAL GLY ASP ASN ASP          
SEQRES  10 B  281  PRO ILE ASP VAL LEU GLU ILE GLY GLU THR ILE ALA TYR          
SEQRES  11 B  281  THR GLY GLN VAL LYS GLN VAL LYS ALA LEU GLY ILE MET          
SEQRES  12 B  281  ALA LEU LEU ASP GLU GLY GLU THR ASP TRP LYS VAL ILE          
SEQRES  13 B  281  ALA ILE ASP ILE ASN ASP PRO LEU ALA PRO LYS LEU ASN          
SEQRES  14 B  281  ASP ILE GLU ASP VAL GLU LYS TYR PHE PRO GLY LEU LEU          
SEQRES  15 B  281  ARG ALA THR ASN GLU TRP PHE ARG ILE TYR LYS ILE PRO          
SEQRES  16 B  281  ASP GLY LYS PRO GLU ASN GLN PHE ALA PHE SER GLY GLU          
SEQRES  17 B  281  ALA LYS ASN LYS LYS TYR ALA LEU ASP ILE ILE LYS GLU          
SEQRES  18 B  281  THR HIS ASP SER TRP LYS GLN LEU ILE ALA GLY LYS SER          
SEQRES  19 B  281  SER ASP SER LYS GLY ILE ASP LEU THR ASN VAL THR LEU          
SEQRES  20 B  281  PRO ASP THR PRO THR TYR SER LYS ALA ALA SER ASP ALA          
SEQRES  21 B  281  ILE PRO PRO ALA SER LEU LYS ALA ASP ALA PRO ILE ASP          
SEQRES  22 B  281  LYS SER ILE ASP LYS TRP PHE PHE                              
HET     MG  A 282       1                                                       
HET     MG  B 282       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5  HOH   *311(H2 O)                                                    
HELIX    1   1 ASP A  147  GLY A  149  5                                   3    
HELIX    2   2 ALA A  165  LYS A  167  5                                   3    
HELIX    3   3 ILE A  171  TYR A  177  1                                   7    
HELIX    4   4 LEU A  181  ILE A  191  1                                  11    
HELIX    5   5 ILE A  194  ASP A  196  5                                   3    
HELIX    6   6 ALA A  204  GLY A  207  5                                   4    
HELIX    7   7 LYS A  212  ILE A  230  1                                  19    
HELIX    8   8 LYS A  255  ALA A  260  5                                   6    
HELIX    9   9 LYS A  274  ASP A  277  5                                   4    
HELIX   10  10 LYS B   38  ASN B   40  5                                   3    
HELIX   11  11 ALA B  165  LYS B  167  5                                   3    
HELIX   12  12 ILE B  171  TYR B  177  1                                   7    
HELIX   13  13 LEU B  181  ILE B  191  1                                  11    
HELIX   14  14 ILE B  194  ASP B  196  5                                   3    
HELIX   15  15 PHE B  205  GLY B  207  5                                   3    
HELIX   16  16 LYS B  212  ILE B  230  1                                  19    
HELIX   17  17 LYS B  255  ALA B  260  1                                   6    
HELIX   18  18 LYS B  274  ASP B  277  5                                   4    
SHEET    1   A 4 SER A 265  LYS A 267  0                                        
SHEET    2   A 4 THR A   3  ALA A   9  1  N  GLY A   8   O  SER A 265           
SHEET    3   A 4 LYS A  16  LYS A  21 -1  N  GLU A  20   O  THR A   3           
SHEET    4   A 4 LYS A  24  VAL A  26 -1  N  VAL A  26   O  ILE A  19           
SHEET    1   B 6 VAL A 134  LYS A 138  0                                        
SHEET    2   B 6 ILE A  42  ILE A  49 -1  N  MET A  45   O  LYS A 135           
SHEET    3   B 6 ASN A  92  PHE A  96 -1  N  ALA A  95   O  VAL A  46           
SHEET    4   B 6 ASP A 120  GLU A 123 -1  N  GLU A 123   O  ASN A  92           
SHEET    5   B 6 LYS A 154  ASP A 159  1  N  VAL A 155   O  ASP A 120           
SHEET    6   B 6 VAL A 137  MET A 143 -1  N  MET A 143   O  LYS A 154           
SHEET    1   C 2 LEU A  57  ILE A  59  0                                        
SHEET    2   C 2 ILE A  68  GLN A  70 -1  N  ILE A  69   O  GLU A  58           
SHEET    1   D 2 THR B   3  ILE B   7  0                                        
SHEET    2   D 2 LYS B  16  GLU B  20 -1  N  GLU B  20   O  THR B   3           
SHEET    1   E 6 VAL B 134  LYS B 138  0                                        
SHEET    2   E 6 ILE B  42  ILE B  49 -1  N  MET B  45   O  LYS B 135           
SHEET    3   E 6 ASN B  92  PHE B  96 -1  N  ALA B  95   O  VAL B  46           
SHEET    4   E 6 ASP B 120  GLU B 123 -1  N  GLU B 123   O  ASN B  92           
SHEET    5   E 6 ASP B 152  ASP B 159  1  N  VAL B 155   O  ASP B 120           
SHEET    6   E 6 VAL B 137  LEU B 145 -1  N  LEU B 145   O  ASP B 152           
SHEET    1   F 2 LEU B  57  ILE B  59  0                                        
SHEET    2   F 2 ILE B  68  GLN B  70 -1  N  ILE B  69   O  GLU B  58           
LINK         OD2 ASP A 115                MG    MG A 282     1555   1555  2.17  
LINK         OD2 ASP A 120                MG    MG A 282     1555   1555  2.10  
LINK         OD1 ASP A 152                MG    MG A 282     1555   1555  2.11  
LINK         OD2 ASP A 152                MG    MG A 282     1555   1555  3.14  
LINK        MG    MG A 282                 O   HOH A 283     1555   1555  1.68  
LINK        MG    MG A 282                 O   HOH A 284     1555   1555  1.64  
LINK        MG    MG A 282                 O   HOH A 285     1555   1555  2.73  
LINK         OD2 ASP B 115                MG    MG B 282     1555   1555  2.66  
LINK         OD2 ASP B 120                MG    MG B 282     1555   1555  2.60  
LINK         OD1 ASP B 152                MG    MG B 282     1555   1555  2.59  
LINK        MG    MG B 282                 O   HOH B 285     1555   1555  2.62  
LINK        MG    MG B 282                 O   HOH B 286     1555   1555  1.62  
LINK        MG    MG B 282                 O   HOH B 287     1555   1555  1.67  
CISPEP   1 PHE A   84    PRO A   85          0         4.63                     
CISPEP   2 PHE B   84    PRO B   85          0        -0.17                     
SITE     1 AC1  6 ASP A 115  ASP A 120  ASP A 152  HOH A 283                    
SITE     2 AC1  6 HOH A 284  HOH A 285                                          
SITE     1 AC2  6 ASP B 115  ASP B 120  ASP B 152  HOH B 285                    
SITE     2 AC2  6 HOH B 286  HOH B 287                                          
CRYST1   69.090   93.060   51.580  90.00  99.62  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      0.014474  0.000000  0.002453        0.00000                         
SCALE2      0.000000  0.010746  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019664        0.00000