PDB Short entry for 3PSR
HEADER    EF-HAND PROTEIN                         17-SEP-98   3PSR              
TITLE     HUMAN PSORIASIN (S100A7) CA2+ BOUND FORM (CRYSTAL FORM I)             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PSORIASIN;                                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: S100A7;                                                     
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: CHAIN A IS CA2+ AND ZN2+ BOUND FORM, CHAIN            
COMPND   7 B IS CA2+ BOUND FORM                                                 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL: KERATINOCYTES;                                                 
SOURCE   6 CELLULAR_LOCATION: CYTOPLASMIC, OR MAY BE SECRETED BY A              
SOURCE   7 NON-CLASSICAL SECRETORY PATHWAY;                                     
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PT7H6FX-PS.4                              
KEYWDS    CA-BINDING, PSORIASIS, S100 PROTEIN FAMILY, X-RAY                     
KEYWDS   2 CRYSTALLOGRAPHY, EF-HAND PROTEIN                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.E.BRODERSEN,J.NYBORG,M.KJELDGAARD                                   
REVDAT   3   24-FEB-09 3PSR    1       VERSN                                    
REVDAT   2   01-APR-03 3PSR    1       JRNL                                     
REVDAT   1   15-JUN-99 3PSR    0                                                
JRNL        AUTH   D.E.BRODERSEN,J.NYBORG,M.KJELDGAARD                          
JRNL        TITL   ZINC-BINDING SITE OF AN S100 PROTEIN REVEALED. TWO           
JRNL        TITL 2 CRYSTAL STRUCTURES OF CA2+-BOUND HUMAN PSORIASIN             
JRNL        TITL 3 (S100A7) IN THE ZN2+-LOADED AND ZN2+-FREE STATES.            
JRNL        REF    BIOCHEMISTRY                  V.  38  1695 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10026247                                                     
JRNL        DOI    10.1021/BI982483D                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.E.BRODERSEN,M.ETZERODT,P.MADSEN,J.E.CELIS,                 
REMARK   1  AUTH 2 H.C.THOGERSEN,J.NYBORG,M.KJELDGAARD                          
REMARK   1  TITL   EF-HANDS AT ATOMIC RESOLUTION: THE STRUCTURE OF              
REMARK   1  TITL 2 HUMAN PSORIASIN (S100A7) SOLVED BY MAD PHASING               
REMARK   1  REF    STRUCTURE                     V.   6   477 1998              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.NOLSOE,S.THIRUP,M.ETZERODT,H.C.THOGERSEN,J.NYBORG          
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION            
REMARK   1  TITL 2 STUDIES OF PSORIASIN                                         
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  53   119 1997              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   P.MADSEN,H.H.RASMUSSEN,H.LEFFERS,B.HONORE,                   
REMARK   1  AUTH 2 K.DEJGAARD,E.OLSEN,J.KIIL,E.WALBUM,A.H.ANDERSEN,             
REMARK   1  AUTH 3 B.BASSE,J.B.LAURIDSEN,G.P.RATZ,A.CELIS,                      
REMARK   1  AUTH 4 J.VANDEKERCKHOVE,J.E.CELIS                                   
REMARK   1  TITL   MOLECULAR CLONING, OCCURRENCE, AND EXPRESSION OF A           
REMARK   1  TITL 2 NOVEL PARTIALLY SECRETED PROTEIN "PSORIASIN" THAT            
REMARK   1  TITL 3 IS HIGHLY UP-REGULATED IN PSORIATIC SKIN                     
REMARK   1  REF    J.INVEST.DERMATOL.            V.  97   701 1991              
REMARK   1  REFN                   ISSN 0022-202X                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 100.00                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 52.0                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.223                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.220                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.295                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.100                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 415                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 8172                   
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.188                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.184                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.269                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.600                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 338                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 6343                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1538                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 3                                             
REMARK   3   SOLVENT ATOMS      : 70                                            
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 1610.30                 
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 0                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 6450                    
REMARK   3   NUMBER OF RESTRAINTS                     : 8061                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.004                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.015                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.038                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.245                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.029                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.024                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.017                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.000                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.066                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL. 91(1973) 201-228      
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3PSR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 7.7                                
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 RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS II                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8199                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 34.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 5.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.12200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 5.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.64                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.30                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.54400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: SHELXL-97                                             
REMARK 200 STARTING MODEL: 1PSR                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.7                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       26.07500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.19000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.33500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.19000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.07500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.33500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -59.0 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400                                                                      
REMARK 400 FOR THIS STRUCTURE, ONLY ONE OF THE TWO ZINC BINDING SITES           
REMARK 400 ACTUALLY BINDS ZINC (MONOMER A), WHEREAS THE OTHER                   
REMARK 400 (MONOMER B) DOES NOT.  ONLY ONE ZINC SITE IS LISTED ON               
REMARK 400 SITE RECORDS BELOW.                                                  
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     GLY A    97                                                      
REMARK 465     GLY A    98                                                      
REMARK 465     SER A    99                                                      
REMARK 465     GLN A   100                                                      
REMARK 465     GLY B    97                                                      
REMARK 465     GLY B    98                                                      
REMARK 465     SER B    99                                                      
REMARK 465     GLN B   100                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG B  21   CD  -  NE  -  CZ  ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ARG B  21   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 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    ALA A  92      157.38    -38.22                                   
REMARK 500    CYS A  95       79.52     50.35                                   
REMARK 500    ARG B  21     -138.31     56.91                                   
REMARK 500    ASP B  23     -158.59   -112.01                                   
REMARK 500    ALA B  92      159.21    -29.52                                   
REMARK 500    CYS B  95       76.75     48.24                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 233        DISTANCE =  6.20 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620  (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;              
REMARK 620  SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                            
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 102  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  62   OD1                                                    
REMARK 620 2 ASN A  64   OD1  84.2                                              
REMARK 620 3 ASP A  66   OD1  85.2  85.8                                        
REMARK 620 4 LYS A  68   O    90.4 163.8  78.4                                  
REMARK 620 5 GLU A  73   OE1 115.8 120.8 146.1  75.4                            
REMARK 620 6 GLU A  73   OE2  91.5  73.5 159.3 122.1  52.4                      
REMARK 620 7 HOH A 269   O   172.1  88.5  91.3  95.9  70.7  89.3                
REMARK 620 8 ASP A  66   OD2 123.4  77.3  41.0  93.2 119.7 131.3  51.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 103  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  17   NE2                                                    
REMARK 620 2 ASP A  24   OD1  97.7                                              
REMARK 620 3 ASP A  24   OD2 160.0  63.1                                        
REMARK 620 4 HIS B  86   NE2 112.9 135.2  81.0                                  
REMARK 620 5 HIS B  90   NE2 105.5 111.3  87.7  91.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B 102  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  62   OD1                                                    
REMARK 620 2 ASN B  64   OD1  86.4                                              
REMARK 620 3 ASP B  66   OD1  90.6  89.9                                        
REMARK 620 4 LYS B  68   O    92.9 167.3  77.4                                  
REMARK 620 5 GLU B  73   OE1 116.4 119.4 139.7  72.2                            
REMARK 620 6 GLU B  73   OE2  92.0  75.2 164.7 117.5  50.5                      
REMARK 620 7 HOH B 270   O   173.8  87.4  89.0  93.1  67.2  86.7                
REMARK 620 8 ASP B  66   OD2 128.9  78.9  41.4  91.8 113.4 129.5  49.2          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CAA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: REGULATORY CA2+ BINDING SITE                       
REMARK 800 SITE_IDENTIFIER: CAB                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: REGULATORY CA2+ BINDING SITE                       
REMARK 800 SITE_IDENTIFIER: ZNA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: ZN2+ BINDING SITE                                  
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 102                  
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 103                  
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 102                  
DBREF  3PSR A    1   100  UNP    P31151   S10A7_HUMAN      1    100             
DBREF  3PSR B    1   100  UNP    P31151   S10A7_HUMAN      1    100             
SEQRES   1 A  100  SER ASN THR GLN ALA GLU ARG SER ILE ILE GLY MET ILE          
SEQRES   2 A  100  ASP MET PHE HIS LYS TYR THR ARG ARG ASP ASP LYS ILE          
SEQRES   3 A  100  ASP LYS PRO SER LEU LEU THR MET MET LYS GLU ASN PHE          
SEQRES   4 A  100  PRO ASN PHE LEU SER ALA CYS ASP LYS LYS GLY THR ASN          
SEQRES   5 A  100  TYR LEU ALA ASP VAL PHE GLU LYS LYS ASP LYS ASN GLU          
SEQRES   6 A  100  ASP LYS LYS ILE ASP PHE SER GLU PHE LEU SER LEU LEU          
SEQRES   7 A  100  GLY ASP ILE ALA THR ASP TYR HIS LYS GLN SER HIS GLY          
SEQRES   8 A  100  ALA ALA PRO CYS SER GLY GLY SER GLN                          
SEQRES   1 B  100  SER ASN THR GLN ALA GLU ARG SER ILE ILE GLY MET ILE          
SEQRES   2 B  100  ASP MET PHE HIS LYS TYR THR ARG ARG ASP ASP LYS ILE          
SEQRES   3 B  100  ASP LYS PRO SER LEU LEU THR MET MET LYS GLU ASN PHE          
SEQRES   4 B  100  PRO ASN PHE LEU SER ALA CYS ASP LYS LYS GLY THR ASN          
SEQRES   5 B  100  TYR LEU ALA ASP VAL PHE GLU LYS LYS ASP LYS ASN GLU          
SEQRES   6 B  100  ASP LYS LYS ILE ASP PHE SER GLU PHE LEU SER LEU LEU          
SEQRES   7 B  100  GLY ASP ILE ALA THR ASP TYR HIS LYS GLN SER HIS GLY          
SEQRES   8 B  100  ALA ALA PRO CYS SER GLY GLY SER GLN                          
HET     CA  A 102       1                                                       
HET     ZN  A 103       1                                                       
HET     CA  B 102       1                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM      ZN ZINC ION                                                         
FORMUL   3   CA    2(CA 2+)                                                     
FORMUL   4   ZN    ZN 2+                                                        
FORMUL   6  HOH   *70(H2 O)                                                     
HELIX    1  A1 GLN A    4  LYS A   18  1                                  15    
HELIX    2  A2 LYS A   28  PHE A   39  1                                  12    
HELIX    3 A2' ASN A   41  LYS A   48  1                                   8    
HELIX    4  A3 TYR A   53  LYS A   61  1                                   9    
HELIX    5  A4 PHE A   71  HIS A   90  1                                  20    
HELIX    6  B1 GLN B    4  LYS B   18  1                                  15    
HELIX    7  B2 LYS B   28  PHE B   39  1                                  12    
HELIX    8 B2' ASN B   41  LYS B   48  1                                   8    
HELIX    9  B3 TYR B   53  LYS B   61  1                                   9    
HELIX   10  B4 PHE B   71  HIS B   90  1                                  20    
SSBOND   1 CYS A   46    CYS A   95                          1555   1555  1.89  
SSBOND   2 CYS B   46    CYS B   95                          1555   1555  2.03  
LINK        CA    CA A 102                 OD1 ASP A  62     1555   1555  1.99  
LINK        CA    CA A 102                 OD1 ASN A  64     1555   1555  2.24  
LINK        CA    CA A 102                 OD1 ASP A  66     1555   1555  2.12  
LINK        CA    CA A 102                 O   LYS A  68     1555   1555  2.23  
LINK        CA    CA A 102                 OE1 GLU A  73     1555   1555  2.48  
LINK        CA    CA A 102                 OE2 GLU A  73     1555   1555  2.47  
LINK        CA    CA A 102                 O   HOH A 269     1555   1555  2.31  
LINK        ZN    ZN A 103                 NE2 HIS A  17     1555   1555  2.00  
LINK        ZN    ZN A 103                 OD1 ASP A  24     1555   1555  2.04  
LINK        ZN    ZN A 103                 OD2 ASP A  24     1555   1555  2.13  
LINK        ZN    ZN A 103                 NE2 HIS B  86     1555   1555  2.37  
LINK        ZN    ZN A 103                 NE2 HIS B  90     1555   1555  2.23  
LINK        CA    CA B 102                 OD1 ASP B  62     1555   1555  1.90  
LINK        CA    CA B 102                 OD1 ASN B  64     1555   1555  2.18  
LINK        CA    CA B 102                 OD1 ASP B  66     1555   1555  2.04  
LINK        CA    CA B 102                 O   LYS B  68     1555   1555  2.26  
LINK        CA    CA B 102                 OE1 GLU B  73     1555   1555  2.63  
LINK        CA    CA B 102                 OE2 GLU B  73     1555   1555  2.52  
LINK        CA    CA B 102                 O   HOH B 270     1555   1555  2.02  
LINK        CA    CA A 102                 OD2 ASP A  66     1555   1555  3.30  
LINK        CA    CA B 102                 OD2 ASP B  66     1555   1555  3.28  
SITE     1 CAA  5 ASP A  62  ASN A  64  ASP A  66  LYS A  68                    
SITE     2 CAA  5 GLU A  73                                                     
SITE     1 CAB  5 ASP B  62  ASN B  64  ASP B  66  LYS A  68                    
SITE     2 CAB  5 GLU B  73                                                     
SITE     1 ZNA  4 HIS A  17  ASP A  24  HIS B  86  HIS B  90                    
SITE     1 AC1  6 ASP A  62  ASN A  64  ASP A  66  LYS A  68                    
SITE     2 AC1  6 GLU A  73  HOH A 269                                          
SITE     1 AC2  4 HIS A  17  ASP A  24  HIS B  86  HIS B  90                    
SITE     1 AC3  6 ASP B  62  ASN B  64  ASP B  66  LYS B  68                    
SITE     2 AC3  6 GLU B  73  HOH B 270                                          
CRYST1   52.150   56.670   76.380  90.00  90.00  90.00 P 21 21 21    8          
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      0.019175  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017646  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013092        0.00000                         
MTRIX1   1  0.159700  0.931400  0.327200      -17.58480    1                    
MTRIX2   1  0.926900 -0.255600  0.275000        8.48140    1                    
MTRIX3   1  0.339700  0.259300 -0.904100       38.33920    1