HEADER    HYDROLASE                               07-JUN-05   1ZXC              
TITLE     CRYSTAL STRUCTURE OF CATALYTIC DOMAIN OF TNF-ALPHA CONVERTING ENZYME  
TITLE    2 (TACE) WITH INHIBITOR                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ADAM 17;                                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: A DISINTEGRIN AND METALLOPROTEINASE DOMAIN 17, TNF-ALPHA    
COMPND   5 CONVERTING ENZYME, TNF-ALPHA CONVERTASE, SNAKE VENOM-LIKE PROTEASE,  
COMPND   6 CD156B ANTIGEN;                                                      
COMPND   7 EC: 3.4.24.86;                                                       
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: ADAM17, CSVP, TACE;                                            
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    TACE/ADAM-17, TACE-INHIBITOR COMPLEX, ZN-ENDOPEPTIDASE, HYDROLASE     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.I.LEVIN,J.M.CHEN,L.M.LAAKSO,M.DU,J.SCHMID,W.XU,T.CUMMONS,J.XU,      
AUTHOR   2 Y.ZHANG,G.JIN,R.COWLING,D.BARONE,J.S.SKOTNICKI                       
REVDAT   5   20-NOV-24 1ZXC    1       REMARK                                   
REVDAT   4   23-AUG-23 1ZXC    1       REMARK                                   
REVDAT   3   20-OCT-21 1ZXC    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1ZXC    1       VERSN                                    
REVDAT   1   27-SEP-05 1ZXC    0                                                
JRNL        AUTH   J.I.LEVIN,J.M.CHEN,L.M.LAAKSO,M.DU,X.DU,A.M.VENKATESAN,      
JRNL        AUTH 2 V.SANDANAYAKA,A.ZASK,J.XU,W.XU,Y.ZHANG,J.S.SKOTNICKI         
JRNL        TITL   ACETYLENIC TACE INHIBITORS. PART 2: SAR OF SIX-MEMBERED      
JRNL        TITL 2 CYCLIC SULFONAMIDE HYDROXAMATES.                             
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  15  4345 2005              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   16084720                                                     
JRNL        DOI    10.1016/J.BMCL.2005.06.072                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.28 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.28                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 86.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 22637                          
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 + TEST SET) : 0.216                           
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.285                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1777                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.28                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.34                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1484                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 86.72                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2100                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 135                          
REMARK   3   BIN FREE R VALUE                    : 0.3790                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4100                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 54                                      
REMARK   3   SOLVENT ATOMS            : 173                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.02                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.44000                                              
REMARK   3    B22 (A**2) : -1.05000                                             
REMARK   3    B33 (A**2) : -0.39000                                             
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.572         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.320         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.124         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.813         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.928                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.875                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4257 ; 0.011 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5756 ; 1.392 ; 1.965       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   515 ; 5.991 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   208 ;32.836 ;25.096       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   730 ;16.317 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    16 ;17.196 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   593 ; 0.115 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3264 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2150 ; 0.216 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2917 ; 0.306 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   286 ; 0.175 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     2 ; 0.247 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    54 ; 0.261 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    21 ; 0.195 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2641 ; 0.707 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4123 ; 1.204 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1852 ; 1.703 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1633 ; 2.655 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1ZXC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUN-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033228.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-MAY-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25216                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 86.8                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 20.00                    
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.8                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1BKC                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, ISOPROPANOL, NACITRATE, PH     
REMARK 280  5.4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 292K                
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       24.06000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       97.90500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.58500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       97.90500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       24.06000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.58500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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     ARG A   215                                                      
REMARK 465     ALA A   216                                                      
REMARK 465     LYS A   476                                                      
REMARK 465     VAL A   477                                                      
REMARK 465     ARG B   215                                                      
REMARK 465     ALA B   216                                                      
REMARK 465     ASP B   217                                                      
REMARK 465     LYS B   476                                                      
REMARK 465     VAL B   477                                                      
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   NH1  ARG A   283     O    HOH A    67              2.19            
REMARK 500   O    HOH A    34     O    HOH A    97              2.19            
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    ASN B 475   CA    ASN B 475   C      -0.209                       
REMARK 500    ASN B 475   C     ASN B 475   O       0.126                       
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    ASN B 475   CB  -  CA  -  C   ANGL. DEV. =  19.4 DEGREES          
REMARK 500    ASN B 475   CA  -  C   -  O   ANGL. DEV. =  16.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ALA A 270     -110.28   -137.53                                   
REMARK 500    CYS A 365      111.01     85.08                                   
REMARK 500    TYR A 390       49.07     39.33                                   
REMARK 500    PRO B 220       -7.76    -59.81                                   
REMARK 500    ALA B 270     -116.04   -139.26                                   
REMARK 500    CYS B 365      121.46     72.54                                   
REMARK 500    ALA B 368      109.63    -46.15                                   
REMARK 500    LYS B 375       45.50     88.02                                   
REMARK 500    ASP B 428        0.32    -66.18                                   
REMARK 500    CYS B 469       -9.47   -143.09                                   
REMARK 500    GLN B 471     -164.90   -121.06                                   
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 201  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 405   NE2                                                    
REMARK 620 2 HIS A 409   NE2  96.7                                              
REMARK 620 3 HIS A 415   NE2 107.3  95.6                                        
REMARK 620 4 IH6 A 478   O4  111.2 152.1  76.6                                  
REMARK 620 5 IH6 A 478   O5  101.2  95.1 148.0  79.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 202  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 405   NE2                                                    
REMARK 620 2 HIS B 409   NE2 104.7                                              
REMARK 620 3 HIS B 415   NE2 110.0  99.4                                        
REMARK 620 4 IH6 B 478   O4  101.6 152.7  78.0                                  
REMARK 620 5 IH6 B 478   O5   92.8  90.4 151.7  81.2                            
REMARK 620 N                    1     2     3     4                             
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 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IH6 A 478                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IH6 B 478                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BKC   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH TAPI                                 
DBREF  1ZXC A  215   477  UNP    P78536   ADA17_HUMAN    215    477             
DBREF  1ZXC B  215   477  UNP    P78536   ADA17_HUMAN    215    477             
SEQADV 1ZXC ALA A  266  UNP  P78536    SER   266 ENGINEERED MUTATION            
SEQADV 1ZXC GLN A  452  UNP  P78536    ASN   452 ENGINEERED MUTATION            
SEQADV 1ZXC ALA B  266  UNP  P78536    SER   266 ENGINEERED MUTATION            
SEQADV 1ZXC GLN B  452  UNP  P78536    ASN   452 ENGINEERED MUTATION            
SEQRES   1 A  263  ARG ALA ASP PRO ASP PRO MET LYS ASN THR CYS LYS LEU          
SEQRES   2 A  263  LEU VAL VAL ALA ASP HIS ARG PHE TYR ARG TYR MET GLY          
SEQRES   3 A  263  ARG GLY GLU GLU SER THR THR THR ASN TYR LEU ILE GLU          
SEQRES   4 A  263  LEU ILE ASP ARG VAL ASP ASP ILE TYR ARG ASN THR ALA          
SEQRES   5 A  263  TRP ASP ASN ALA GLY PHE LYS GLY TYR GLY ILE GLN ILE          
SEQRES   6 A  263  GLU GLN ILE ARG ILE LEU LYS SER PRO GLN GLU VAL LYS          
SEQRES   7 A  263  PRO GLY GLU LYS HIS TYR ASN MET ALA LYS SER TYR PRO          
SEQRES   8 A  263  ASN GLU GLU LYS ASP ALA TRP ASP VAL LYS MET LEU LEU          
SEQRES   9 A  263  GLU GLN PHE SER PHE ASP ILE ALA GLU GLU ALA SER LYS          
SEQRES  10 A  263  VAL CYS LEU ALA HIS LEU PHE THR TYR GLN ASP PHE ASP          
SEQRES  11 A  263  MET GLY THR LEU GLY LEU ALA TYR VAL GLY SER PRO ARG          
SEQRES  12 A  263  ALA ASN SER HIS GLY GLY VAL CYS PRO LYS ALA TYR TYR          
SEQRES  13 A  263  SER PRO VAL GLY LYS LYS ASN ILE TYR LEU ASN SER GLY          
SEQRES  14 A  263  LEU THR SER THR LYS ASN TYR GLY LYS THR ILE LEU THR          
SEQRES  15 A  263  LYS GLU ALA ASP LEU VAL THR THR HIS GLU LEU GLY HIS          
SEQRES  16 A  263  ASN PHE GLY ALA GLU HIS ASP PRO ASP GLY LEU ALA GLU          
SEQRES  17 A  263  CYS ALA PRO ASN GLU ASP GLN GLY GLY LYS TYR VAL MET          
SEQRES  18 A  263  TYR PRO ILE ALA VAL SER GLY ASP HIS GLU ASN ASN LYS          
SEQRES  19 A  263  MET PHE SER GLN CYS SER LYS GLN SER ILE TYR LYS THR          
SEQRES  20 A  263  ILE GLU SER LYS ALA GLN GLU CYS PHE GLN GLU ARG SER          
SEQRES  21 A  263  ASN LYS VAL                                                  
SEQRES   1 B  263  ARG ALA ASP PRO ASP PRO MET LYS ASN THR CYS LYS LEU          
SEQRES   2 B  263  LEU VAL VAL ALA ASP HIS ARG PHE TYR ARG TYR MET GLY          
SEQRES   3 B  263  ARG GLY GLU GLU SER THR THR THR ASN TYR LEU ILE GLU          
SEQRES   4 B  263  LEU ILE ASP ARG VAL ASP ASP ILE TYR ARG ASN THR ALA          
SEQRES   5 B  263  TRP ASP ASN ALA GLY PHE LYS GLY TYR GLY ILE GLN ILE          
SEQRES   6 B  263  GLU GLN ILE ARG ILE LEU LYS SER PRO GLN GLU VAL LYS          
SEQRES   7 B  263  PRO GLY GLU LYS HIS TYR ASN MET ALA LYS SER TYR PRO          
SEQRES   8 B  263  ASN GLU GLU LYS ASP ALA TRP ASP VAL LYS MET LEU LEU          
SEQRES   9 B  263  GLU GLN PHE SER PHE ASP ILE ALA GLU GLU ALA SER LYS          
SEQRES  10 B  263  VAL CYS LEU ALA HIS LEU PHE THR TYR GLN ASP PHE ASP          
SEQRES  11 B  263  MET GLY THR LEU GLY LEU ALA TYR VAL GLY SER PRO ARG          
SEQRES  12 B  263  ALA ASN SER HIS GLY GLY VAL CYS PRO LYS ALA TYR TYR          
SEQRES  13 B  263  SER PRO VAL GLY LYS LYS ASN ILE TYR LEU ASN SER GLY          
SEQRES  14 B  263  LEU THR SER THR LYS ASN TYR GLY LYS THR ILE LEU THR          
SEQRES  15 B  263  LYS GLU ALA ASP LEU VAL THR THR HIS GLU LEU GLY HIS          
SEQRES  16 B  263  ASN PHE GLY ALA GLU HIS ASP PRO ASP GLY LEU ALA GLU          
SEQRES  17 B  263  CYS ALA PRO ASN GLU ASP GLN GLY GLY LYS TYR VAL MET          
SEQRES  18 B  263  TYR PRO ILE ALA VAL SER GLY ASP HIS GLU ASN ASN LYS          
SEQRES  19 B  263  MET PHE SER GLN CYS SER LYS GLN SER ILE TYR LYS THR          
SEQRES  20 B  263  ILE GLU SER LYS ALA GLN GLU CYS PHE GLN GLU ARG SER          
SEQRES  21 B  263  ASN LYS VAL                                                  
HET     ZN  A 201       1                                                       
HET    IH6  A 478      26                                                       
HET     ZN  B 202       1                                                       
HET    IH6  B 478      26                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     IH6 (3S)-4-{[4-(BUT-2-YNYLOXY)PHENYL]SULFONYL}-N-HYDROXY-2,          
HETNAM   2 IH6  2-DIMETHYLTHIOMORPHOLINE-3-CARBOXAMIDE                          
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4  IH6    2(C17 H22 N2 O5 S2)                                          
FORMUL   7  HOH   *173(H2 O)                                                    
HELIX    1   1 ASP A  232  MET A  239  1                                   8    
HELIX    2   2 GLU A  243  ASN A  264  1                                  22    
HELIX    3   3 ASP A  313  ILE A  325  1                                  13    
HELIX    4   4 ILE A  325  SER A  330  1                                   6    
HELIX    5   5 PHE A  343  THR A  347  5                                   5    
HELIX    6   6 LEU A  395  PHE A  411  1                                  17    
HELIX    7   7 ASN A  426  GLY A  430  5                                   5    
HELIX    8   8 HIS A  444  MET A  449  5                                   6    
HELIX    9   9 SER A  451  PHE A  470  1                                  20    
HELIX   10  10 ASP B  232  MET B  239  1                                   8    
HELIX   11  11 GLU B  243  THR B  265  1                                  23    
HELIX   12  12 ASP B  313  ILE B  325  1                                  13    
HELIX   13  13 ILE B  325  SER B  330  1                                   6    
HELIX   14  14 PHE B  343  THR B  347  5                                   5    
HELIX   15  15 LEU B  395  PHE B  411  1                                  17    
HELIX   16  16 LEU B  420  ALA B  424  5                                   5    
HELIX   17  17 ASN B  426  GLY B  430  5                                   5    
HELIX   18  18 HIS B  444  MET B  449  5                                   6    
HELIX   19  19 SER B  451  PHE B  470  1                                  20    
SHEET    1   A 5 GLY A 276  ILE A 284  0                                        
SHEET    2   A 5 THR A 224  ALA A 231  1  N  LEU A 227   O  GLN A 278           
SHEET    3   A 5 LEU A 334  THR A 339  1  O  PHE A 338   N  VAL A 230           
SHEET    4   A 5 SER A 382  SER A 386  1  O  THR A 385   N  LEU A 337           
SHEET    5   A 5 GLY A 349  ALA A 351 -1  N  LEU A 350   O  LEU A 384           
SHEET    1   B 2 TYR A 369  SER A 371  0                                        
SHEET    2   B 2 LYS A 376  ILE A 378 -1  O  ILE A 378   N  TYR A 369           
SHEET    1   C 2 LYS A 388  ASN A 389  0                                        
SHEET    2   C 2 LYS A 392  THR A 393 -1  O  LYS A 392   N  ASN A 389           
SHEET    1   D 5 GLY B 276  ILE B 284  0                                        
SHEET    2   D 5 THR B 224  ALA B 231  1  N  VAL B 229   O  ARG B 283           
SHEET    3   D 5 LEU B 334  THR B 339  1  O  PHE B 338   N  VAL B 230           
SHEET    4   D 5 SER B 382  SER B 386  1  O  THR B 385   N  THR B 339           
SHEET    5   D 5 GLY B 349  ALA B 351 -1  N  LEU B 350   O  LEU B 384           
SHEET    1   E 2 TYR B 369  SER B 371  0                                        
SHEET    2   E 2 LYS B 376  ILE B 378 -1  O  ILE B 378   N  TYR B 369           
SHEET    1   F 2 LYS B 388  ASN B 389  0                                        
SHEET    2   F 2 LYS B 392  THR B 393 -1  O  LYS B 392   N  ASN B 389           
SSBOND   1 CYS A  225    CYS A  333                          1555   1555  2.04  
SSBOND   2 CYS A  365    CYS A  469                          1555   1555  2.03  
SSBOND   3 CYS A  423    CYS A  453                          1555   1555  2.05  
SSBOND   4 CYS B  225    CYS B  333                          1555   1555  2.04  
SSBOND   5 CYS B  365    CYS B  469                          1555   1555  2.04  
SSBOND   6 CYS B  423    CYS B  453                          1555   1555  2.03  
LINK        ZN    ZN A 201                 NE2 HIS A 405     1555   1555  2.29  
LINK        ZN    ZN A 201                 NE2 HIS A 409     1555   1555  2.13  
LINK        ZN    ZN A 201                 NE2 HIS A 415     1555   1555  2.11  
LINK        ZN    ZN A 201                 O4  IH6 A 478     1555   1555  2.02  
LINK        ZN    ZN A 201                 O5  IH6 A 478     1555   1555  2.09  
LINK        ZN    ZN B 202                 NE2 HIS B 405     1555   1555  2.08  
LINK        ZN    ZN B 202                 NE2 HIS B 409     1555   1555  1.98  
LINK        ZN    ZN B 202                 NE2 HIS B 415     1555   1555  2.13  
LINK        ZN    ZN B 202                 O4  IH6 B 478     1555   1555  1.68  
LINK        ZN    ZN B 202                 O5  IH6 B 478     1555   1555  2.49  
CISPEP   1 TYR A  304    PRO A  305          0         8.44                     
CISPEP   2 TYR B  304    PRO B  305          0         4.52                     
SITE     1 AC1  4 HIS A 405  HIS A 409  HIS A 415  IH6 A 478                    
SITE     1 AC2  4 HIS B 405  HIS B 409  HIS B 415  IH6 B 478                    
SITE     1 AC3 16 HOH A  16  HOH A  56   ZN A 201  THR A 347                    
SITE     2 AC3 16 LEU A 348  GLY A 349  LEU A 350  LEU A 401                    
SITE     3 AC3 16 VAL A 402  HIS A 405  GLU A 406  HIS A 409                    
SITE     4 AC3 16 HIS A 415  VAL A 434  PRO A 437  VAL A 440                    
SITE     1 AC4 16 HOH B 110   ZN B 202  GLU B 290  GLY B 346                    
SITE     2 AC4 16 THR B 347  LEU B 348  GLY B 349  GLU B 398                    
SITE     3 AC4 16 LEU B 401  HIS B 405  GLU B 406  HIS B 409                    
SITE     4 AC4 16 HIS B 415  VAL B 434  ALA B 439  VAL B 440                    
CRYST1   48.120   59.170  195.810  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.020781  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016900  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005107        0.00000