PDB Short entry for 3AKQ
HEADER    HYDROLASE                               15-JUL-10   3AKQ              
TITLE     CRYSTAL STRUCTURE OF XYLANASE FROM TRICHODERMA LONGIBRACHIATUM        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: XYLANASE;                                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.2.1.8;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRICHODERMA LONGIBRACHIATUM;                    
SOURCE   3 ORGANISM_TAXID: 5548;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    XYLANASE, HYDROLASE                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.SUGAHARA,N.KUNISHIMA                                                
REVDAT   3   01-NOV-23 3AKQ    1       REMARK LINK                              
REVDAT   2   25-DEC-19 3AKQ    1       SEQRES LINK                              
REVDAT   1   01-JUN-11 3AKQ    0                                                
JRNL        AUTH   M.SUGAHARA,Y.KAGEYAMA-MORIKAWA,N.KUNISHIMA                   
JRNL        TITL   PACKING SPACE EXPANSION OF PROTEIN CRYSTALLIZATION SCREENING 
JRNL        TITL 2 WITH SYNTHETIC ZEOLITE AS A HETEROEPITAXIC NUCLEANT          
JRNL        REF    CRYST.GROWTH DES.             V.  11   110 2011              
JRNL        REFN                   ISSN 1528-7483                               
JRNL        DOI    10.1021/CG100987G                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    0.97 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 0.97                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 21.14                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 116534                         
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) : 0.200                           
REMARK   3   FREE R VALUE                     : 0.204                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 5867                            
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) : 0.97                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.00                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3910                       
REMARK   3   BIN FREE R VALUE                    : 0.3960                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 604                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.016                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1480                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 7                                       
REMARK   3   SOLVENT ATOMS            : 361                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 6.60                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.07000                                             
REMARK   3    B22 (A**2) : 0.05000                                              
REMARK   3    B33 (A**2) : 0.02000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.12                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.14                            
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) : 0.12                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.14                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 3AKQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-JUL-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000029372.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-NOV-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL26B1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS V                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 116654                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 0.970                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.04100                            
REMARK 200  R SYM                      (I) : 0.03500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.97                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.47000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.43500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1ENX                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.65                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 8000, 0.2M ZINC ACETATE, PH      
REMARK 280  6.5, OIL MICROBATCH, TEMPERATURE 293K                               
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       30.96050            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       42.15000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       18.75800            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       42.15000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       30.96050            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       18.75800            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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  CL     CL A   196     O    HOH A   349              1.38            
REMARK 500  ZN     ZN A   191    CL     CL A   196              1.52            
REMARK 500  ZN     ZN A   194     O    HOH A   346              1.58            
REMARK 500  ZN     ZN A   193     O    HOH A   348              1.66            
REMARK 500  ZN     ZN A   194    CL     CL A   197              1.69            
REMARK 500   O    HOH A   347     O    HOH A   349              1.83            
REMARK 500  CL     CL A   197     O    HOH A   346              2.06            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    TRP A  79   NE1   TRP A  79   CE2     0.088                       
REMARK 500    TRP A 138   NE1   TRP A 138   CE2     0.087                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A 170     -135.92    -94.81                                   
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                              ZN A 191  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 144   ND1                                                    
REMARK 620 2 HOH A 343   O    95.9                                              
REMARK 620 3 HOH A 344   O   118.3  91.5                                        
REMARK 620 4 HOH A 347   O   116.5  70.7 123.6                                  
REMARK 620 5 HOH A 349   O   104.2 122.2 122.4  51.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 192  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 346   O                                                      
REMARK 620 2 HOH A 348   O   118.6                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 193  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 345   O                                                      
REMARK 620 2 HOH A 347   O    87.6                                              
REMARK 620 3 HOH A 349   O   141.3  63.0                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 195  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 344   O                                                      
REMARK 620 2 HOH A 350   O   100.4                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 191                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 192                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 193                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 194                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 195                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 196                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 197                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3AKP   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3AKR   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3AKS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3AKT   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THERE IS NO DATABASE REFERENCE SEQUENCE AT PROCESSING TIME.          
DBREF  3AKQ A    1   190  PDB    3AKQ     3AKQ             1    190             
SEQRES   1 A  190  PCA THR ILE GLN PRO GLY THR GLY TYR ASN ASN GLY TYR          
SEQRES   2 A  190  PHE TYR SER TYR TRP ASN ASP GLY HIS GLY GLY VAL THR          
SEQRES   3 A  190  TYR THR ASN GLY PRO GLY GLY GLN PHE SER VAL ASN TRP          
SEQRES   4 A  190  SER ASN SER GLY ASN PHE VAL GLY GLY LYS GLY TRP GLN          
SEQRES   5 A  190  PRO GLY THR LYS ASN LYS VAL ILE ASN PHE SER GLY SER          
SEQRES   6 A  190  TYR ASN PRO ASN GLY ASN SER TYR LEU SER VAL TYR GLY          
SEQRES   7 A  190  TRP SER ARG ASN PRO LEU ILE GLU TYR TYR ILE VAL GLU          
SEQRES   8 A  190  ASN PHE GLY THR TYR ASN PRO SER THR GLY ALA THR LYS          
SEQRES   9 A  190  LEU GLY GLU VAL THR SER ASP GLY SER VAL TYR ASP ILE          
SEQRES  10 A  190  TYR ARG THR GLN ARG VAL ASN GLN PRO SER ILE ILE GLY          
SEQRES  11 A  190  THR ALA THR PHE TYR GLN TYR TRP SER VAL ARG ARG ASN          
SEQRES  12 A  190  HIS ARG SER SER GLY SER VAL ASN THR ALA ASN HIS PHE          
SEQRES  13 A  190  ASN ALA TRP ALA GLN GLN GLY LEU THR LEU GLY THR MET          
SEQRES  14 A  190  ASP TYR GLN ILE VAL ALA VAL GLU GLY TYR PHE SER SER          
SEQRES  15 A  190  GLY SER ALA SER ILE THR VAL SER                              
MODRES 3AKQ PCA A    1  GLN  PYROGLUTAMIC ACID                                  
HET    PCA  A   1       8                                                       
HET     ZN  A 191       1                                                       
HET     ZN  A 192       1                                                       
HET     ZN  A 193       1                                                       
HET     ZN  A 194       1                                                       
HET     ZN  A 195       1                                                       
HET     CL  A 196       1                                                       
HET     CL  A 197       1                                                       
HETNAM     PCA PYROGLUTAMIC ACID                                                
HETNAM      ZN ZINC ION                                                         
HETNAM      CL CHLORIDE ION                                                     
FORMUL   1  PCA    C5 H7 N O3                                                   
FORMUL   2   ZN    5(ZN 2+)                                                     
FORMUL   7   CL    2(CL 1-)                                                     
FORMUL   9  HOH   *361(H2 O)                                                    
HELIX    1   1 THR A  152  GLN A  162  1                                  11    
SHEET    1   A 6 THR A   2  ILE A   3  0                                        
SHEET    2   A 6 VAL A  25  ASN A  29 -1  O  TYR A  27   N  ILE A   3           
SHEET    3   A 6 GLN A  34  TRP A  39 -1  O  SER A  36   N  THR A  28           
SHEET    4   A 6 SER A 182  SER A 190 -1  O  GLY A 183   N  TRP A  39           
SHEET    5   A 6 VAL A  59  ASN A  69 -1  N  ASN A  69   O  SER A 182           
SHEET    6   A 6 GLY A 148  ASN A 151 -1  O  VAL A 150   N  ILE A  60           
SHEET    1   B 9 GLY A   6  ASN A  10  0                                        
SHEET    2   B 9 TYR A  13  ASN A  19 -1  O  TYR A  13   N  ASN A  10           
SHEET    3   B 9 ASN A  44  TRP A  51 -1  O  VAL A  46   N  TRP A  18           
SHEET    4   B 9 THR A 168  TYR A 179 -1  O  GLN A 172   N  TRP A  51           
SHEET    5   B 9 SER A  72  ARG A  81 -1  N  TYR A  77   O  ILE A 173           
SHEET    6   B 9 ILE A  85  PHE A  93 -1  O  TYR A  87   N  GLY A  78           
SHEET    7   B 9 ALA A 132  ARG A 141  1  O  SER A 139   N  VAL A  90           
SHEET    8   B 9 SER A 113  GLN A 125 -1  N  ARG A 122   O  PHE A 134           
SHEET    9   B 9 LYS A 104  SER A 110 -1  N  LEU A 105   O  ILE A 117           
LINK         C   PCA A   1                 N   THR A   2     1555   1555  1.33  
LINK         ND1 HIS A 144                ZN    ZN A 191     1555   1555  2.26  
LINK        ZN    ZN A 191                 O   HOH A 343     1555   1555  1.87  
LINK        ZN    ZN A 191                 O   HOH A 344     1555   1555  1.89  
LINK        ZN    ZN A 191                 O   HOH A 347     1555   1555  2.01  
LINK        ZN    ZN A 191                 O   HOH A 349     1555   1555  2.16  
LINK        ZN    ZN A 192                 O   HOH A 346     1555   1555  1.83  
LINK        ZN    ZN A 192                 O   HOH A 348     1555   1555  1.78  
LINK        ZN    ZN A 193                 O   HOH A 345     1555   1555  1.72  
LINK        ZN    ZN A 193                 O   HOH A 347     1555   1555  1.73  
LINK        ZN    ZN A 193                 O   HOH A 349     1555   1555  1.77  
LINK        ZN    ZN A 195                 O   HOH A 344     1555   1555  1.74  
LINK        ZN    ZN A 195                 O   HOH A 350     1555   1555  2.31  
CISPEP   1 GLN A   52    PRO A   53          0         0.81                     
CISPEP   2 ASN A   82    PRO A   83          0         3.65                     
SITE     1 AC1 10 HIS A 144   ZN A 193   ZN A 194   ZN A 195                    
SITE     2 AC1 10  CL A 196   CL A 197  HOH A 343  HOH A 344                    
SITE     3 AC1 10 HOH A 347  HOH A 349                                          
SITE     1 AC2  7 HIS A  22   ZN A 193   ZN A 194   ZN A 195                    
SITE     2 AC2  7  CL A 197  HOH A 346  HOH A 348                               
SITE     1 AC3  7  ZN A 191   ZN A 192   CL A 196  HOH A 345                    
SITE     2 AC3  7 HOH A 347  HOH A 348  HOH A 349                               
SITE     1 AC4  6  ZN A 191   ZN A 192   CL A 196   CL A 197                    
SITE     2 AC4  6 HOH A 346  HOH A 349                                          
SITE     1 AC5  5  ZN A 191   ZN A 192   CL A 197  HOH A 344                    
SITE     2 AC5  5 HOH A 350                                                     
SITE     1 AC6  9 HIS A 144   ZN A 191   ZN A 193   ZN A 194                    
SITE     2 AC6  9  CL A 197  HOH A 344  HOH A 347  HOH A 349                    
SITE     3 AC6  9 HOH A 416                                                     
SITE     1 AC7  8  ZN A 191   ZN A 192   ZN A 194   ZN A 195                    
SITE     2 AC7  8  CL A 196  HOH A 337  HOH A 344  HOH A 346                    
CRYST1   61.921   37.516   84.300  90.00  90.00  90.00 P 21 21 21    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      0.016150  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.026655  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011862        0.00000                         
HETATM    1  N   PCA A   1      13.862  -7.765   5.116  1.00  8.78           N  
HETATM    2  CA  PCA A   1      14.718  -7.104   4.185  1.00  8.05           C  
HETATM    3  CB  PCA A   1      13.744  -6.526   3.096  1.00  9.66           C  
HETATM    4  CG  PCA A   1      12.489  -6.496   3.721  1.00 10.90           C  
HETATM    5  CD  PCA A   1      12.483  -7.424   4.959  1.00 10.88           C  
HETATM    6  OE  PCA A   1      11.504  -7.718   5.623  1.00 12.50           O  
HETATM    7  C   PCA A   1      15.509  -5.996   4.845  1.00  7.21           C  
HETATM    8  O   PCA A   1      15.087  -5.549   5.919  1.00  8.03           O