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Database: PDB
Entry: 1ZKL
LinkDB: 1ZKL
Original site: 1ZKL 
HEADER    HYDROLASE                               03-MAY-05   1ZKL              
TITLE     MULTIPLE DETERMINANTS FOR INHIBITOR SELECTIVITY OF CYCLIC NUCLEOTIDE  
TITLE    2 PHOSPHODIESTERASES                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HIGH-AFFINITY CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE 
COMPND   3 7A;                                                                  
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: CATALYTIC DOMAIN (130-482);                                
COMPND   6 SYNONYM: HCP1, TM22;                                                 
COMPND   7 EC: 3.1.4.17;                                                        
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PDE7A;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET32A                                    
KEYWDS    PDE, HYDROLASE                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.WANG,Y.LIU,Y.CHEN,H.ROBINSON,H.KE                                   
REVDAT   5   14-FEB-24 1ZKL    1       REMARK LINK                              
REVDAT   4   24-FEB-09 1ZKL    1       VERSN                                    
REVDAT   3   13-SEP-05 1ZKL    1       JRNL                                     
REVDAT   2   09-AUG-05 1ZKL    1       JRNL                                     
REVDAT   1   05-JUL-05 1ZKL    0                                                
JRNL        AUTH   H.WANG,Y.LIU,Y.CHEN,H.ROBINSON,H.KE                          
JRNL        TITL   MULTIPLE ELEMENTS JOINTLY DETERMINE INHIBITOR SELECTIVITY OF 
JRNL        TITL 2 CYCLIC NUCLEOTIDE PHOSPHODIESTERASES 4 AND 7                 
JRNL        REF    J.BIOL.CHEM.                  V. 280 30949 2005              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   15994308                                                     
JRNL        DOI    10.1074/JBC.M504398200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.67 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
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) : 1.67                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.50                          
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)   (%) : 96.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 55766                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.207                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 5668                            
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            : 2584                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 18                                      
REMARK   3   SOLVENT ATOMS            : 289                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.10                          
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) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
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 1ZKL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAY-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000032825.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 57579                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.670                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.500                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 7.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.67                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.73                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.48000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.6 - 0.8 M (NH4)2SO4, 2.5 - 5 MM        
REMARK 280  MERCAPTOETHANOL, 10 MM EDTA, 0.1 M TRIS HCL, PH 7.5, VAPOR          
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       21.43000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       42.86000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       42.86000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       21.43000            
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 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 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     SER A   130                                                      
REMARK 465     ASN A   131                                                      
REMARK 465     SER A   132                                                      
REMARK 465     LEU A   133                                                      
REMARK 465     ASN A   134                                                      
REMARK 465     ILE A   135                                                      
REMARK 465     LEU A   136                                                      
REMARK 465     ASP A   137                                                      
REMARK 465     ASP A   138                                                      
REMARK 465     ARG A   456                                                      
REMARK 465     GLU A   457                                                      
REMARK 465     GLN A   458                                                      
REMARK 465     SER A   459                                                      
REMARK 465     SER A   460                                                      
REMARK 465     SER A   461                                                      
REMARK 465     GLU A   462                                                      
REMARK 465     ASP A   463                                                      
REMARK 465     THR A   464                                                      
REMARK 465     ASP A   465                                                      
REMARK 465     ALA A   466                                                      
REMARK 465     ALA A   467                                                      
REMARK 465     PHE A   468                                                      
REMARK 465     GLU A   469                                                      
REMARK 465     LEU A   470                                                      
REMARK 465     ASN A   471                                                      
REMARK 465     SER A   472                                                      
REMARK 465     GLN A   473                                                      
REMARK 465     LEU A   474                                                      
REMARK 465     LEU A   475                                                      
REMARK 465     PRO A   476                                                      
REMARK 465     GLN A   477                                                      
REMARK 465     GLU A   478                                                      
REMARK 465     ASN A   479                                                      
REMARK 465     ARG A   480                                                      
REMARK 465     LEU A   481                                                      
REMARK 465     SER A   482                                                      
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    ASN A 277       23.47     49.97                                   
REMARK 500    LEU A 454       34.07    -74.91                                   
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 501  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 216   NE2                                                    
REMARK 620 2 HIS A 252   NE2  95.4                                              
REMARK 620 3 ASP A 253   OD2  90.2  86.9                                        
REMARK 620 4 ASP A 362   OD1  95.6  88.0 172.6                                  
REMARK 620 5 HOH A 504   O    87.3 176.3  95.5  89.3                            
REMARK 620 6 HOH A 509   O   163.7 100.7  93.0  82.7  76.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 502  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 253   OD1                                                    
REMARK 620 2 HOH A 505   O    99.9                                              
REMARK 620 3 HOH A 506   O    91.6  84.6                                        
REMARK 620 4 HOH A 507   O   170.3  88.2  83.8                                  
REMARK 620 5 HOH A 508   O    85.8 174.3  94.5  86.1                            
REMARK 620 6 HOH A 509   O    96.9  85.8 168.2  88.9  94.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IBM A 503                 
DBREF  1ZKL A  130   482  UNP    Q13946   PDE7A_HUMAN    130    482             
SEQRES   1 A  353  SER ASN SER LEU ASN ILE LEU ASP ASP ASP TYR ASN GLY          
SEQRES   2 A  353  GLN ALA LYS CYS MET LEU GLU LYS VAL GLY ASN TRP ASN          
SEQRES   3 A  353  PHE ASP ILE PHE LEU PHE ASP ARG LEU THR ASN GLY ASN          
SEQRES   4 A  353  SER LEU VAL SER LEU THR PHE HIS LEU PHE SER LEU HIS          
SEQRES   5 A  353  GLY LEU ILE GLU TYR PHE HIS LEU ASP MET MET LYS LEU          
SEQRES   6 A  353  ARG ARG PHE LEU VAL MET ILE GLN GLU ASP TYR HIS SER          
SEQRES   7 A  353  GLN ASN PRO TYR HIS ASN ALA VAL HIS ALA ALA ASP VAL          
SEQRES   8 A  353  THR GLN ALA MET HIS CYS TYR LEU LYS GLU PRO LYS LEU          
SEQRES   9 A  353  ALA ASN SER VAL THR PRO TRP ASP ILE LEU LEU SER LEU          
SEQRES  10 A  353  ILE ALA ALA ALA THR HIS ASP LEU ASP HIS PRO GLY VAL          
SEQRES  11 A  353  ASN GLN PRO PHE LEU ILE LYS THR ASN HIS TYR LEU ALA          
SEQRES  12 A  353  THR LEU TYR LYS ASN THR SER VAL LEU GLU ASN HIS HIS          
SEQRES  13 A  353  TRP ARG SER ALA VAL GLY LEU LEU ARG GLU SER GLY LEU          
SEQRES  14 A  353  PHE SER HIS LEU PRO LEU GLU SER ARG GLN GLN MET GLU          
SEQRES  15 A  353  THR GLN ILE GLY ALA LEU ILE LEU ALA THR ASP ILE SER          
SEQRES  16 A  353  ARG GLN ASN GLU TYR LEU SER LEU PHE ARG SER HIS LEU          
SEQRES  17 A  353  ASP ARG GLY ASP LEU CYS LEU GLU ASP THR ARG HIS ARG          
SEQRES  18 A  353  HIS LEU VAL LEU GLN MET ALA LEU LYS CYS ALA ASP ILE          
SEQRES  19 A  353  CYS ASN PRO CYS ARG THR TRP GLU LEU SER LYS GLN TRP          
SEQRES  20 A  353  SER GLU LYS VAL THR GLU GLU PHE PHE HIS GLN GLY ASP          
SEQRES  21 A  353  ILE GLU LYS LYS TYR HIS LEU GLY VAL SER PRO LEU CYS          
SEQRES  22 A  353  ASP ARG HIS THR GLU SER ILE ALA ASN ILE GLN ILE GLY          
SEQRES  23 A  353  PHE MET THR TYR LEU VAL GLU PRO LEU PHE THR GLU TRP          
SEQRES  24 A  353  ALA ARG PHE SER ASN THR ARG LEU SER GLN THR MET LEU          
SEQRES  25 A  353  GLY HIS VAL GLY LEU ASN LYS ALA SER TRP LYS GLY LEU          
SEQRES  26 A  353  GLN ARG GLU GLN SER SER SER GLU ASP THR ASP ALA ALA          
SEQRES  27 A  353  PHE GLU LEU ASN SER GLN LEU LEU PRO GLN GLU ASN ARG          
SEQRES  28 A  353  LEU SER                                                      
HET     ZN  A 501       1                                                       
HET     MG  A 502       1                                                       
HET    IBM  A 503      16                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     IBM 3-ISOBUTYL-1-METHYLXANTHINE                                      
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  IBM    C10 H14 N4 O2                                                
FORMUL   5  HOH   *289(H2 O)                                                    
HELIX    1   1 ASP A  139  GLU A  149  1                                  11    
HELIX    2   2 ASP A  157  THR A  165  1                                   9    
HELIX    3   3 ASN A  168  HIS A  181  1                                  14    
HELIX    4   4 GLY A  182  PHE A  187  1                                   6    
HELIX    5   5 ASP A  190  ASP A  204  1                                  15    
HELIX    6   6 ASN A  213  LYS A  229  1                                  17    
HELIX    7   7 GLU A  230  ASN A  235  1                                   6    
HELIX    8   8 THR A  238  HIS A  252  1                                  15    
HELIX    9   9 ASN A  260  THR A  267  1                                   8    
HELIX   10  10 HIS A  269  TYR A  275  1                                   7    
HELIX   11  11 SER A  279  GLY A  297  1                                  19    
HELIX   12  12 PRO A  303  ALA A  320  1                                  18    
HELIX   13  13 THR A  321  SER A  324  5                                   4    
HELIX   14  14 ARG A  325  GLY A  340  1                                  16    
HELIX   15  15 ASP A  346  ILE A  363  1                                  18    
HELIX   16  16 CYS A  364  ARG A  368  5                                   5    
HELIX   17  17 THR A  369  TYR A  394  1                                  26    
HELIX   18  18 SER A  408  LEU A  420  1                                  13    
HELIX   19  19 LEU A  420  SER A  432  1                                  13    
HELIX   20  20 THR A  434  LEU A  454  1                                  21    
LINK         NE2 HIS A 216                ZN    ZN A 501     1555   1555  2.11  
LINK         NE2 HIS A 252                ZN    ZN A 501     1555   1555  2.11  
LINK         OD2 ASP A 253                ZN    ZN A 501     1555   1555  2.05  
LINK         OD1 ASP A 253                MG    MG A 502     1555   1555  2.09  
LINK         OD1 ASP A 362                ZN    ZN A 501     1555   1555  2.06  
LINK        ZN    ZN A 501                 O   HOH A 504     1555   1555  2.33  
LINK        ZN    ZN A 501                 O   HOH A 509     1555   1555  2.22  
LINK        MG    MG A 502                 O   HOH A 505     1555   1555  2.24  
LINK        MG    MG A 502                 O   HOH A 506     1555   1555  2.21  
LINK        MG    MG A 502                 O   HOH A 507     1555   1555  2.23  
LINK        MG    MG A 502                 O   HOH A 508     1555   1555  2.20  
LINK        MG    MG A 502                 O   HOH A 509     1555   1555  2.22  
SITE     1 AC1  6 HIS A 216  HIS A 252  ASP A 253  ASP A 362                    
SITE     2 AC1  6 HOH A 504  HOH A 509                                          
SITE     1 AC2  6 ASP A 253  HOH A 505  HOH A 506  HOH A 507                    
SITE     2 AC2  6 HOH A 508  HOH A 509                                          
SITE     1 AC3  9 TYR A 211  VAL A 380  PHE A 384  ILE A 412                    
SITE     2 AC3  9 GLN A 413  PHE A 416  HOH A 542  HOH A 552                    
SITE     3 AC3  9 HOH A 573                                                     
CRYST1  115.751  115.751   64.290  90.00  90.00 120.00 P 31 2 1      6          
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      0.008639  0.004988  0.000000        0.00000                         
SCALE2      0.000000  0.009976  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015555        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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