PDB Short entry for 1ZOO
HEADER    CELL ADHESION                           21-JUN-96   1ZOO              
TITLE     CD11A I-DOMAIN WITH BOUND MAGNESIUM ION                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LEUKOCYTE ADHESION GLYCOPROTEIN;                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: I-DOMAIN FRAGMENT OF LFA-1;                                
COMPND   5 SYNONYM: LFA-1, CD11A/CD18, ALPHAL BETA2 INTEGRIN, A-DOMAIN;         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL_LINE: 293;                                                      
SOURCE   6 GENE: PCR PRODUCT;                                                   
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: 293;                                       
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET11C;                                   
SOURCE  11 EXPRESSION_SYSTEM_GENE: PCR PRODUCT;                                 
SOURCE  12 OTHER_DETAILS: THE PROTEIN WAS REFOLDED FROM 7M UREA                 
KEYWDS    INTEGRIN, CELL ADHESION, GLYCOPROTEIN, TRANSMEMBRANE, EXTRACELLULAR   
KEYWDS   2 MATRIX, CYTOSKELETON                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.J.LEAHY,A.QU                                                        
REVDAT   4   09-AUG-23 1ZOO    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1ZOO    1       VERSN                                    
REVDAT   2   01-APR-03 1ZOO    1       JRNL                                     
REVDAT   1   07-DEC-96 1ZOO    0                                                
JRNL        AUTH   A.QU,D.J.LEAHY                                               
JRNL        TITL   THE ROLE OF THE DIVALENT CATION IN THE STRUCTURE OF THE I    
JRNL        TITL 2 DOMAIN FROM THE CD11A/CD18 INTEGRIN.                         
JRNL        REF    STRUCTURE                     V.   4   931 1996              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   8805579                                                      
JRNL        DOI    10.1016/S0969-2126(96)00100-1                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.QU,D.J.LEAHY                                               
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE I-DOMAIN FROM THE CD11A/CD18        
REMARK   1  TITL 2 (LFA-1, ALPHA L BETA 2) INTEGRIN                             
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  92 10277 1995              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 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) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 7748                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.279                           
REMARK   3   FREE R VALUE                     : 0.264                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2948                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 4                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.48                          
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
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: NULL                                      
REMARK   4                                                                      
REMARK   4 1ZOO 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_1000177499.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JAN-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.2                                
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          : NULL                               
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 IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 7748                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
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     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 13.20                              
REMARK 200  R MERGE                    (I) : 0.12100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.2000                            
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: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: 1ZOP                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.2                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       37.78000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       39.16000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       37.78000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       39.16000            
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: 2660 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16780 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 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 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     CYS A   125                                                      
REMARK 465     ILE A   126                                                      
REMARK 465     LYS A   127                                                      
REMARK 465     GLY A   311                                                      
REMARK 465     CYS B   125                                                      
REMARK 465     ILE B   126                                                      
REMARK 465     LYS B   127                                                      
REMARK 465     GLY B   311                                                      
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  MG     MG A   350     H1   HOH A   602              1.37            
REMARK 500   O    ASN A   163     HZ1  LYS B   304              1.51            
REMARK 500   HZ1  LYS A   304     O    ASN B   163              1.55            
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    PRO B   228     HZ3  LYS B   280     2665     1.53            
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    MET A 140   CG  -  SD  -  CE  ANGL. DEV. =   9.8 DEGREES          
REMARK 500    MET B 140   CG  -  SD  -  CE  ANGL. DEV. =   9.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    THR A 164     -162.69   -109.85                                   
REMARK 500    SER A 174     -101.27   -151.63                                   
REMARK 500    SER A 176     -168.86   -119.85                                   
REMARK 500    ASP A 191      104.89    -54.00                                   
REMARK 500    LEU A 204     -140.38   -127.10                                   
REMARK 500    PRO A 228      -74.10    -37.37                                   
REMARK 500    ASP A 244     -169.22   -119.42                                   
REMARK 500    THR B 164     -166.75   -117.44                                   
REMARK 500    SER B 174     -107.16   -158.93                                   
REMARK 500    LEU B 204     -134.39   -122.73                                   
REMARK 500    LEU B 205     -159.44    -85.01                                   
REMARK 500    PRO B 228      -54.73    -23.68                                   
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 350  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A 139   OG                                                     
REMARK 620 2 SER A 141   OG   84.2                                              
REMARK 620 3 ASP A 239   OD1  94.4  82.1                                        
REMARK 620 4  CL A 401  CL    88.1  83.0 164.5                                  
REMARK 620 5 HOH A 601   O    92.7 168.8  87.5 107.7                            
REMARK 620 6 HOH A 602   O   168.8  85.5  88.5  86.3  98.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B1350  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER B 139   OG                                                     
REMARK 620 2 SER B 141   OG   90.4                                              
REMARK 620 3 ASP B 239   OD1  97.0  88.3                                        
REMARK 620 4  CL B1401  CL    82.6  77.7 166.0                                  
REMARK 620 5 HOH B1601   O   169.8  82.1  89.8  89.0                            
REMARK 620 6 HOH B1602   O    91.0 175.9  87.7 106.3  96.9                      
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 350                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 1350                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 1401                 
DBREF  1ZOO A  125   311  UNP    P20701   ITAL_HUMAN     150    336             
DBREF  1ZOO B  125   311  UNP    P20701   ITAL_HUMAN     150    336             
SEQRES   1 A  187  CYS ILE LYS GLY ASN VAL ASP LEU VAL PHE LEU PHE ASP          
SEQRES   2 A  187  GLY SER MET SER LEU GLN PRO ASP GLU PHE GLN LYS ILE          
SEQRES   3 A  187  LEU ASP PHE MET LYS ASP VAL MET LYS LYS LEU SER ASN          
SEQRES   4 A  187  THR SER TYR GLN PHE ALA ALA VAL GLN PHE SER THR SER          
SEQRES   5 A  187  TYR LYS THR GLU PHE ASP PHE SER ASP TYR VAL LYS ARG          
SEQRES   6 A  187  LYS ASP PRO ASP ALA LEU LEU LYS HIS VAL LYS HIS MET          
SEQRES   7 A  187  LEU LEU LEU THR ASN THR PHE GLY ALA ILE ASN TYR VAL          
SEQRES   8 A  187  ALA THR GLU VAL PHE ARG GLU GLU LEU GLY ALA ARG PRO          
SEQRES   9 A  187  ASP ALA THR LYS VAL LEU ILE ILE ILE THR ASP GLY GLU          
SEQRES  10 A  187  ALA THR ASP SER GLY ASN ILE ASP ALA ALA LYS ASP ILE          
SEQRES  11 A  187  ILE ARG TYR ILE ILE GLY ILE GLY LYS HIS PHE GLN THR          
SEQRES  12 A  187  LYS GLU SER GLN GLU THR LEU HIS LYS PHE ALA SER LYS          
SEQRES  13 A  187  PRO ALA SER GLU PHE VAL LYS ILE LEU ASP THR PHE GLU          
SEQRES  14 A  187  LYS LEU LYS ASP LEU PHE THR GLU LEU GLN LYS LYS ILE          
SEQRES  15 A  187  TYR VAL ILE GLU GLY                                          
SEQRES   1 B  187  CYS ILE LYS GLY ASN VAL ASP LEU VAL PHE LEU PHE ASP          
SEQRES   2 B  187  GLY SER MET SER LEU GLN PRO ASP GLU PHE GLN LYS ILE          
SEQRES   3 B  187  LEU ASP PHE MET LYS ASP VAL MET LYS LYS LEU SER ASN          
SEQRES   4 B  187  THR SER TYR GLN PHE ALA ALA VAL GLN PHE SER THR SER          
SEQRES   5 B  187  TYR LYS THR GLU PHE ASP PHE SER ASP TYR VAL LYS ARG          
SEQRES   6 B  187  LYS ASP PRO ASP ALA LEU LEU LYS HIS VAL LYS HIS MET          
SEQRES   7 B  187  LEU LEU LEU THR ASN THR PHE GLY ALA ILE ASN TYR VAL          
SEQRES   8 B  187  ALA THR GLU VAL PHE ARG GLU GLU LEU GLY ALA ARG PRO          
SEQRES   9 B  187  ASP ALA THR LYS VAL LEU ILE ILE ILE THR ASP GLY GLU          
SEQRES  10 B  187  ALA THR ASP SER GLY ASN ILE ASP ALA ALA LYS ASP ILE          
SEQRES  11 B  187  ILE ARG TYR ILE ILE GLY ILE GLY LYS HIS PHE GLN THR          
SEQRES  12 B  187  LYS GLU SER GLN GLU THR LEU HIS LYS PHE ALA SER LYS          
SEQRES  13 B  187  PRO ALA SER GLU PHE VAL LYS ILE LEU ASP THR PHE GLU          
SEQRES  14 B  187  LYS LEU LYS ASP LEU PHE THR GLU LEU GLN LYS LYS ILE          
SEQRES  15 B  187  TYR VAL ILE GLU GLY                                          
HET     MG  A 350       1                                                       
HET     CL  A 401       1                                                       
HET     MG  B1350       1                                                       
HET     CL  B1401       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      CL CHLORIDE ION                                                     
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4   CL    2(CL 1-)                                                     
FORMUL   7  HOH   *4(H2 O)                                                      
HELIX    1   1 PRO A  144  LYS A  160  1                                  17    
HELIX    2   2 PHE A  183  LYS A  188  1                                   6    
HELIX    3   3 PRO A  192  LEU A  196  1                                   5    
HELIX    4   4 THR A  208  GLU A  218  1                                  11    
HELIX    5   5 GLU A  222  LEU A  224  5                                   3    
HELIX    6   6 ASP A  249  ALA A  251  5                                   3    
HELIX    7   7 LYS A  263  PHE A  265  5                                   3    
HELIX    8   8 LYS A  268  PHE A  277  1                                  10    
HELIX    9   9 ALA A  282  PHE A  285  1                                   4    
HELIX   10  10 GLU A  293  LYS A  305  5                                  13    
HELIX   11  11 PRO B  144  LYS B  160  1                                  17    
HELIX   12  12 PHE B  183  LYS B  188  1                                   6    
HELIX   13  13 PRO B  192  LEU B  195  1                                   4    
HELIX   14  14 THR B  208  GLU B  218  1                                  11    
HELIX   15  15 GLU B  222  LEU B  224  5                                   3    
HELIX   16  16 ASP B  249  ALA B  251  5                                   3    
HELIX   17  17 LYS B  263  PHE B  265  5                                   3    
HELIX   18  18 LYS B  268  PHE B  277  1                                  10    
HELIX   19  19 ALA B  282  PHE B  285  1                                   4    
HELIX   20  20 GLU B  293  LYS B  305  5                                  13    
SHEET    1   A 6 VAL A 286  LEU A 289  0                                        
SHEET    2   A 6 ILE A 255  ILE A 261  1  N  ILE A 258   O  LYS A 287           
SHEET    3   A 6 THR A 231  THR A 238  1  N  LEU A 234   O  ILE A 255           
SHEET    4   A 6 VAL A 130  ASP A 137  1  N  ASP A 131   O  THR A 231           
SHEET    5   A 6 TYR A 166  PHE A 173  1  N  GLN A 167   O  VAL A 130           
SHEET    6   A 6 TYR A 177  PHE A 181 -1  N  PHE A 181   O  ALA A 170           
SHEET    1   B 2 ILE A 306  VAL A 308  0                                        
SHEET    2   B 2 ILE B 306  VAL B 308 -1  N  TYR B 307   O  TYR A 307           
SHEET    1   C 6 VAL B 286  LEU B 289  0                                        
SHEET    2   C 6 ILE B 255  ILE B 261  1  N  ILE B 258   O  LYS B 287           
SHEET    3   C 6 THR B 231  THR B 238  1  N  LEU B 234   O  ILE B 255           
SHEET    4   C 6 VAL B 130  ASP B 137  1  N  ASP B 131   O  THR B 231           
SHEET    5   C 6 TYR B 166  PHE B 173  1  N  GLN B 167   O  VAL B 130           
SHEET    6   C 6 TYR B 177  PHE B 181 -1  N  PHE B 181   O  ALA B 170           
LINK         OG  SER A 139                MG    MG A 350     1555   1555  2.10  
LINK         OG  SER A 141                MG    MG A 350     1555   1555  2.09  
LINK         OD1 ASP A 239                MG    MG A 350     1555   1555  2.03  
LINK        MG    MG A 350                CL    CL A 401     1555   1555  2.54  
LINK        MG    MG A 350                 O   HOH A 601     1555   1555  2.05  
LINK        MG    MG A 350                 O   HOH A 602     1555   1555  2.06  
LINK         OG  SER B 139                MG    MG B1350     1555   1555  2.12  
LINK         OG  SER B 141                MG    MG B1350     1555   1555  2.06  
LINK         OD1 ASP B 239                MG    MG B1350     1555   1555  2.06  
LINK        MG    MG B1350                CL    CL B1401     1555   1555  2.57  
LINK        MG    MG B1350                 O   HOH B1601     1555   1555  2.09  
LINK        MG    MG B1350                 O   HOH B1602     1555   1555  2.03  
CISPEP   1 LYS A  280    PRO A  281          0        -0.33                     
CISPEP   2 LYS B  280    PRO B  281          0         0.22                     
SITE     1 AC1  6 SER A 139  SER A 141  ASP A 239   CL A 401                    
SITE     2 AC1  6 HOH A 601  HOH A 602                                          
SITE     1 AC2  6 SER B 139  SER B 141  ASP B 239   CL B1401                    
SITE     2 AC2  6 HOH B1601  HOH B1602                                          
SITE     1 AC3  3 SER A 139  SER A 141   MG A 350                               
SITE     1 AC4  3 SER B 139  SER B 141   MG B1350                               
CRYST1   75.560   78.320   66.280  90.00  90.00  90.00 P 21 21 2     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      0.013235  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012768  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015088        0.00000