PDB Short entry for 1K3B
HEADER    HYDROLASE                               02-OCT-01   1K3B              
TITLE     CRYSTAL STRUCTURE OF HUMAN DIPEPTIDYL PEPTIDASE I (CATHEPSIN C):      
TITLE    2 EXCLUSION DOMAIN ADDED TO AN ENDOPEPTIDASE FRAMEWORK CREATES THE     
TITLE    3 MACHINE FOR ACTIVATION OF GRANULAR SERINE PROTEASES                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIPEPTYDIL-PEPTIDASE I EXCLUSION DOMAIN;                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: DPPI, CATHEPSIN C, RESIDUAL PROPART;                        
COMPND   5 EC: 3.4.14.1;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: DIPEPTYDIL-PEPTIDASE I LIGHT CHAIN;                        
COMPND   9 CHAIN: B;                                                            
COMPND  10 SYNONYM: DPPI, CATHEPSIN C, BETA CHAIN;                              
COMPND  11 EC: 3.4.14.1;                                                        
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: DIPEPTYDIL-PEPTIDASE I HEAVY CHAIN;                        
COMPND  15 CHAIN: C;                                                            
COMPND  16 SYNONYM: DPPI, CATHEPSIN C, ALPHA CHAIN;                             
COMPND  17 EC: 3.4.14.1;                                                        
COMPND  18 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: TRICHOPLUSIA NI;                                  
SOURCE   6 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7111;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: HIGH FIVE;                              
SOURCE   9 EXPRESSION_SYSTEM_CELL: INSECT CELL(INVITROGEN);                     
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE  11 EXPRESSION_SYSTEM_VECTOR: PVL1393;                                   
SOURCE  12 MOL_ID: 2;                                                           
SOURCE  13 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  14 ORGANISM_COMMON: HUMAN;                                              
SOURCE  15 ORGANISM_TAXID: 9606;                                                
SOURCE  16 EXPRESSION_SYSTEM: TRICHOPLUSIA NI;                                  
SOURCE  17 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER;                            
SOURCE  18 EXPRESSION_SYSTEM_TAXID: 7111;                                       
SOURCE  19 EXPRESSION_SYSTEM_CELL_LINE: HIGH FIVE;                              
SOURCE  20 EXPRESSION_SYSTEM_CELL: INSECT CELL(INVITROGEN);                     
SOURCE  21 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE  22 EXPRESSION_SYSTEM_VECTOR: PVL1393;                                   
SOURCE  23 MOL_ID: 3;                                                           
SOURCE  24 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  25 ORGANISM_COMMON: HUMAN;                                              
SOURCE  26 ORGANISM_TAXID: 9606;                                                
SOURCE  27 EXPRESSION_SYSTEM: TRICHOPLUSIA NI;                                  
SOURCE  28 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER;                            
SOURCE  29 EXPRESSION_SYSTEM_TAXID: 7111;                                       
SOURCE  30 EXPRESSION_SYSTEM_CELL_LINE: HIGH FIVE;                              
SOURCE  31 EXPRESSION_SYSTEM_CELL: INSECT CELL(INVITROGEN);                     
SOURCE  32 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE  33 EXPRESSION_SYSTEM_VECTOR: PVL1393                                    
KEYWDS    HYDROLASE                                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.TURK,V.JANJIC,I.STERN,M.PODOBNIK,D.LAMBA,S.W.DAHL,C.LAURITZEN,      
AUTHOR   2 J.PEDERSEN,V.TURK,B.TURK                                             
REVDAT   4   13-JUL-11 1K3B    1       VERSN                                    
REVDAT   3   24-FEB-09 1K3B    1       VERSN                                    
REVDAT   2   20-APR-04 1K3B    1       SSBOND                                   
REVDAT   1   02-APR-02 1K3B    0                                                
JRNL        AUTH   D.TURK,V.JANJIC,I.STERN,M.PODOBNIK,D.LAMBA,S.W.DAHL,         
JRNL        AUTH 2 C.LAURITZEN,J.PEDERSEN,V.TURK,B.TURK                         
JRNL        TITL   STRUCTURE OF HUMAN DIPEPTIDYL PEPTIDASE I (CATHEPSIN C):     
JRNL        TITL 2 EXCLUSION DOMAIN ADDED TO AN ENDOPEPTIDASE FRAMEWORK CREATES 
JRNL        TITL 3 THE MACHINE FOR ACTIVATION OF GRANULAR SERINE PROTEASES.     
JRNL        REF    EMBO J.                       V.  20  6570 2001              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   11726493                                                     
JRNL        DOI    10.1093/EMBOJ/20.23.6570                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.15 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : MAIN                                                 
REMARK   3   AUTHORS     : TURK                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 5.0                            
REMARK   3   NUMBER OF REFLECTIONS             : 23353                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : EACH 20TH MEASURED REFLECTION   
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.231                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1168                            
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            : 2784                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 464                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.54                            
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  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 1K3B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-OCT-01.                  
REMARK 100 THE RCSB ID CODE IS RCSB014507.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-JUN-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ELETTRA                            
REMARK 200  BEAMLINE                       : 5.2R                               
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                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MAR                                
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23553                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.150                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07000                            
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) : 2.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 1.0                                
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.24900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD, MIR, MOL. REPL          
REMARK 200  TOGETHER                                                            
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.78                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE,  SODIUM CITRATE,      
REMARK 280  POTASSIUM/SODIUM TARTRATE, PH 5.6, VAPOR DIFFUSION, SITTING DROP,   
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       43.57700            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       44.01550            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       57.30450            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       43.57700            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       44.01550            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       57.30450            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       43.57700            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       44.01550            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       57.30450            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       43.57700            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       44.01550            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       57.30450            
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 300 REMARK: TETRAMER MOLECULE WITH TETRAHAEDRAL SYMMETRY                 
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: DODECAMERIC                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC                
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 48180 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 50970 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -493.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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   BIOMT1   2 -1.000000  0.000000  0.000000       87.15400            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -1.000000  0.000000  0.000000       87.15400            
REMARK 350   BIOMT2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ARG A   26   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ASP A   27   CG   OD1  OD2                                       
REMARK 480     ASN A   29   CG   OD1  ND2                                       
REMARK 480     GLU A   37   OE1  OE2                                            
REMARK 480     LYS A   84   CE   NZ                                             
REMARK 480     GLU A   86   CB   CG   CD   OE1  OE2                             
REMARK 480     SER A   88   OG                                                  
REMARK 480     LYS A   89   CD   CE   NZ                                        
REMARK 480     VAL A  118   CG1  CG2                                            
REMARK 480     HIS B  358   CG   ND1  CD2  CE1  NE2                             
REMARK 480     LYS B  360   NZ                                                  
REMARK 480     HIS B  366   CG   ND1  CD2  CE1  NE2                             
REMARK 480     LEU B  369   CG   CD1  CD2                                       
REMARK 480     ASP C  371   CG   OD1  OD2                                       
REMARK 480     ARG C  418   CD   NE   CZ   NH1  NH2                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH B  1295     O    HOH B  1295     4555     2.06            
REMARK 500   CD1  ILE C   436     O    HOH A  1431     2655     2.15            
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    GLY B 368   N   -  CA  -  C   ANGL. DEV. =  17.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A  21     -153.34     22.23                                   
REMARK 500    SER A  22       56.22    145.34                                   
REMARK 500    ASN A  29      111.12   -161.50                                   
REMARK 500    VAL A  32      -58.41   -123.03                                   
REMARK 500    MET A  33      -90.79    120.89                                   
REMARK 500    LYS A  46      130.28    -20.94                                   
REMARK 500    LEU A  47      -83.81     83.69                                   
REMARK 500    ASP A  48       28.36   -162.04                                   
REMARK 500    TYR A  64     -117.89     54.85                                   
REMARK 500    GLU A  86       39.08    -98.54                                   
REMARK 500    SER A  88      -29.87     71.45                                   
REMARK 500    ALA B 229     -151.09     63.36                                   
REMARK 500    ILE B 282      -61.53   -107.97                                   
REMARK 500    HIS B 358       37.19    -96.93                                   
REMARK 500    HIS B 366      169.39     68.55                                   
REMARK 500    THR B 367     -168.59    127.17                                   
REMARK 500    LEU B 369      -79.44    123.63                                   
REMARK 500    ASN C 374       81.20   -152.88                                   
REMARK 500    PHE C 376      124.30   -170.17                                   
REMARK 500    ASN C 380        7.46   -152.43                                   
REMARK 500    ILE C 429       49.72   -152.05                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CHIRAL CENTERS                                             
REMARK 500                                                                      
REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL                     
REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY                      
REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR                        
REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE                                    
REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16)       
REMARK 500                                                                      
REMARK 500  M RES CSSEQI    IMPROPER   EXPECTED   FOUND DETAILS                 
REMARK 500    HIS B 366        21.2      L          L   OUTSIDE RANGE           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A1074        DISTANCE =  5.59 ANGSTROMS                       
REMARK 525    HOH A1255        DISTANCE =  5.41 ANGSTROMS                       
REMARK 525    HOH A1260        DISTANCE =  5.17 ANGSTROMS                       
REMARK 525    HOH A1279        DISTANCE =  8.59 ANGSTROMS                       
REMARK 525    HOH A1290        DISTANCE =  6.42 ANGSTROMS                       
REMARK 525    HOH A1325        DISTANCE =  5.03 ANGSTROMS                       
REMARK 525    HOH A1330        DISTANCE =  6.31 ANGSTROMS                       
REMARK 525    HOH A1331        DISTANCE =  5.12 ANGSTROMS                       
REMARK 525    HOH A1336        DISTANCE =  6.57 ANGSTROMS                       
REMARK 525    HOH A1400        DISTANCE =  5.06 ANGSTROMS                       
REMARK 525    HOH A1413        DISTANCE =  5.38 ANGSTROMS                       
REMARK 525    HOH A1417        DISTANCE =  7.45 ANGSTROMS                       
REMARK 525    HOH A1422        DISTANCE =  5.26 ANGSTROMS                       
REMARK 525    HOH A1425        DISTANCE =  6.98 ANGSTROMS                       
REMARK 525    HOH A1426        DISTANCE =  8.81 ANGSTROMS                       
REMARK 525    HOH A1427        DISTANCE =  9.05 ANGSTROMS                       
REMARK 525    HOH A1435        DISTANCE =  5.29 ANGSTROMS                       
REMARK 525    HOH A1446        DISTANCE =  5.90 ANGSTROMS                       
REMARK 525    HOH A1450        DISTANCE =  6.32 ANGSTROMS                       
REMARK 525    HOH A1455        DISTANCE =  5.24 ANGSTROMS                       
REMARK 525    HOH A1459        DISTANCE =  6.19 ANGSTROMS                       
REMARK 525    HOH B1076        DISTANCE =  5.74 ANGSTROMS                       
REMARK 525    HOH B1091        DISTANCE =  5.43 ANGSTROMS                       
REMARK 525    HOH B1104        DISTANCE =  5.96 ANGSTROMS                       
REMARK 525    HOH B1203        DISTANCE =  6.85 ANGSTROMS                       
REMARK 525    HOH B1231        DISTANCE =  6.00 ANGSTROMS                       
REMARK 525    HOH B1241        DISTANCE =  7.00 ANGSTROMS                       
REMARK 525    HOH B1249        DISTANCE =  5.27 ANGSTROMS                       
REMARK 525    HOH B1251        DISTANCE =  5.34 ANGSTROMS                       
REMARK 525    HOH B1263        DISTANCE =  5.11 ANGSTROMS                       
REMARK 525    HOH B1272        DISTANCE =  6.38 ANGSTROMS                       
REMARK 525    HOH B1280        DISTANCE =  5.20 ANGSTROMS                       
REMARK 525    HOH B1282        DISTANCE =  6.44 ANGSTROMS                       
REMARK 525    HOH B1283        DISTANCE =  5.62 ANGSTROMS                       
REMARK 525    HOH B1287        DISTANCE =  7.60 ANGSTROMS                       
REMARK 525    HOH B1309        DISTANCE =  5.10 ANGSTROMS                       
REMARK 525    HOH B1314        DISTANCE =  5.80 ANGSTROMS                       
REMARK 525    HOH B1321        DISTANCE =  5.22 ANGSTROMS                       
REMARK 525    HOH B1332        DISTANCE = 10.04 ANGSTROMS                       
REMARK 525    HOH B1334        DISTANCE =  7.45 ANGSTROMS                       
REMARK 525    HOH B1338        DISTANCE =  8.60 ANGSTROMS                       
REMARK 525    HOH B1353        DISTANCE =  5.33 ANGSTROMS                       
REMARK 525    HOH B1362        DISTANCE =  5.75 ANGSTROMS                       
REMARK 525    HOH B1363        DISTANCE =  7.14 ANGSTROMS                       
REMARK 525    HOH B1366        DISTANCE =  5.73 ANGSTROMS                       
REMARK 525    HOH B1405        DISTANCE =  5.57 ANGSTROMS                       
REMARK 525    HOH B1432        DISTANCE =  6.46 ANGSTROMS                       
REMARK 525    HOH B1449        DISTANCE =  5.14 ANGSTROMS                       
REMARK 525    HOH B1460        DISTANCE =  5.48 ANGSTROMS                       
REMARK 525    HOH B1463        DISTANCE =  6.31 ANGSTROMS                       
REMARK 525    HOH B1464        DISTANCE =  6.82 ANGSTROMS                       
REMARK 525    HOH C1216        DISTANCE =  6.59 ANGSTROMS                       
REMARK 525    HOH C1223        DISTANCE =  5.02 ANGSTROMS                       
REMARK 525    HOH C1301        DISTANCE =  5.77 ANGSTROMS                       
REMARK 525    HOH C1436        DISTANCE =  6.50 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAG A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 503                 
DBREF  1K3B A    1   119  UNP    P53634   CATC_HUMAN      25    143             
DBREF  1K3B B  207   370  UNP    P53634   CATC_HUMAN     231    394             
DBREF  1K3B C  371   439  UNP    P53634   CATC_HUMAN     395    463             
SEQRES   1 A  119  ASP THR PRO ALA ASN CYS THR TYR LEU ASP LEU LEU GLY          
SEQRES   2 A  119  THR TRP VAL PHE GLN VAL GLY SER SER GLY SER GLN ARG          
SEQRES   3 A  119  ASP VAL ASN CYS SER VAL MET GLY PRO GLN GLU LYS LYS          
SEQRES   4 A  119  VAL VAL VAL TYR LEU GLN LYS LEU ASP THR ALA TYR ASP          
SEQRES   5 A  119  ASP LEU GLY ASN SER GLY HIS PHE THR ILE ILE TYR ASN          
SEQRES   6 A  119  GLN GLY PHE GLU ILE VAL LEU ASN ASP TYR LYS TRP PHE          
SEQRES   7 A  119  ALA PHE PHE LYS TYR LYS GLU GLU GLY SER LYS VAL THR          
SEQRES   8 A  119  THR TYR CYS ASN GLU THR MET THR GLY TRP VAL HIS ASP          
SEQRES   9 A  119  VAL LEU GLY ARG ASN TRP ALA CYS PHE THR GLY LYS LYS          
SEQRES  10 A  119  VAL GLY                                                      
SEQRES   1 B  164  LEU PRO THR SER TRP ASP TRP ARG ASN VAL HIS GLY ILE          
SEQRES   2 B  164  ASN PHE VAL SER PRO VAL ARG ASN GLN ALA SER CYS GLY          
SEQRES   3 B  164  SER CYS TYR SER PHE ALA SER MET GLY MET LEU GLU ALA          
SEQRES   4 B  164  ARG ILE ARG ILE LEU THR ASN ASN SER GLN THR PRO ILE          
SEQRES   5 B  164  LEU SER PRO GLN GLU VAL VAL SER CYS SER GLN TYR ALA          
SEQRES   6 B  164  GLN GLY CYS GLU GLY GLY PHE PRO TYR LEU ILE ALA GLY          
SEQRES   7 B  164  LYS TYR ALA GLN ASP PHE GLY LEU VAL GLU GLU ALA CYS          
SEQRES   8 B  164  PHE PRO TYR THR GLY THR ASP SER PRO CYS LYS MET LYS          
SEQRES   9 B  164  GLU ASP CYS PHE ARG TYR TYR SER SER GLU TYR HIS TYR          
SEQRES  10 B  164  VAL GLY GLY PHE TYR GLY GLY CYS ASN GLU ALA LEU MET          
SEQRES  11 B  164  LYS LEU GLU LEU VAL HIS HIS GLY PRO MET ALA VAL ALA          
SEQRES  12 B  164  PHE GLU VAL TYR ASP ASP PHE LEU HIS TYR LYS LYS GLY          
SEQRES  13 B  164  ILE TYR HIS HIS THR GLY LEU ARG                              
SEQRES   1 C   69  ASP PRO PHE ASN PRO PHE GLU LEU THR ASN HIS ALA VAL          
SEQRES   2 C   69  LEU LEU VAL GLY TYR GLY THR ASP SER ALA SER GLY MET          
SEQRES   3 C   69  ASP TYR TRP ILE VAL LYS ASN SER TRP GLY THR GLY TRP          
SEQRES   4 C   69  GLY GLU ASN GLY TYR PHE ARG ILE ARG ARG GLY THR ASP          
SEQRES   5 C   69  GLU CYS ALA ILE GLU SER ILE ALA VAL ALA ALA THR PRO          
SEQRES   6 C   69  ILE PRO LYS LEU                                              
MODRES 1K3B ASN A    5  ASN  GLYCOSYLATION SITE                                 
HET    NAG  A 504      14                                                       
HET     CL  B 500       1                                                       
HET    SO4  C 501       5                                                       
HET    SO4  B 502       5                                                       
HET    SO4  A 503       5                                                       
HETNAM     NAG N-ACETYL-D-GLUCOSAMINE                                           
HETNAM      CL CHLORIDE ION                                                     
HETNAM     SO4 SULFATE ION                                                      
FORMUL   4  NAG    C8 H15 N O6                                                  
FORMUL   5   CL    CL 1-                                                        
FORMUL   6  SO4    3(O4 S 2-)                                                   
FORMUL   9  HOH   *464(H2 O)                                                    
HELIX    1   1 THR A    7  LEU A   12  1                                   6    
HELIX    2   2 SER B  233  THR B  251  1                                  19    
HELIX    3   3 SER B  260  SER B  268  1                                   9    
HELIX    4   4 GLN B  272  GLY B  276  5                                   5    
HELIX    5   5 PHE B  278  ALA B  283  1                                   6    
HELIX    6   6 GLY B  284  PHE B  290  1                                   7    
HELIX    7   7 ASN B  332  GLY B  344  1                                  13    
HELIX    8   8 TYR B  353  HIS B  358  1                                   6    
HELIX    9   9 ASP C  422  ILE C  426  5                                   5    
SHEET    1   A13 GLY A  13  VAL A  19  0                                        
SHEET    2   A13 LYS A  38  GLN A  45 -1  O  LYS A  38   N  VAL A  19           
SHEET    3   A13 THR A  49  ASP A  52 -1  O  THR A  49   N  GLN A  45           
SHEET    4   A13 SER A  57  ILE A  63 -1  N  GLY A  58   O  ALA A  50           
SHEET    5   A13 GLY A  67  LEU A  72 -1  O  GLY A  67   N  ILE A  63           
SHEET    6   A13 TYR A  75  GLU A  85 -1  O  TYR A  75   N  LEU A  72           
SHEET    7   A13 VAL A  90  THR A  97 -1  O  THR A  91   N  LYS A  84           
SHEET    8   A13 TRP A 110  LYS A 117 -1  O  GLY A 115   N  THR A  97           
SHEET    9   A13 GLY A 100  ASP A 104 -1  N  GLY A 100   O  PHE A 113           
SHEET   10   A13 TYR A  75  GLU A  85 -1  N  LYS A  76   O  HIS A 103           
SHEET   11   A13 VAL A  90  THR A  97 -1  O  THR A  91   N  LYS A  84           
SHEET   12   A13 TRP A 110  LYS A 117 -1  O  GLY A 115   N  THR A  97           
SHEET   13   A13 GLY A  13  VAL A  19 -1  N  VAL A  16   O  LYS A 116           
SHEET    1   B 7 ILE B 363  TYR B 364  0                                        
SHEET    2   B 7 TYR C 414  ARG C 418  1  O  ARG C 416   N  TYR B 364           
SHEET    3   B 7 ASP C 397  LYS C 402 -1  N  TRP C 399   O  ILE C 417           
SHEET    4   B 7 HIS C 381  THR C 390 -1  O  LEU C 384   N  LYS C 402           
SHEET    5   B 7 MET B 346  PHE B 350 -1  O  MET B 346   N  LEU C 385           
SHEET    6   B 7 HIS C 381  THR C 390 -1  O  HIS C 381   N  PHE B 350           
SHEET    7   B 7 TRP B 211  ASP B 212 -1  O  TRP B 211   N  TYR C 388           
SHEET    1   C 2 SER B 318  TYR B 323  0                                        
SHEET    2   C 2 VAL C 431  PRO C 435 -1  N  ALA C 432   O  HIS B 322           
SSBOND   1 CYS A    6    CYS A   94                          1555   1555  2.04  
SSBOND   2 CYS A   30    CYS A  112                          1555   1555  2.04  
SSBOND   3 CYS B  231    CYS B  274                          1555   1555  2.04  
SSBOND   4 CYS B  267    CYS B  307                          1555   1555  2.04  
SSBOND   5 CYS B  297    CYS B  313                          1555   1555  2.03  
LINK         ND2 ASN A   5                 C1  NAG A 504     1555   1555  1.45  
CISPEP   1 ASP C  371    PRO C  372          0        -0.57                     
SITE     1 AC1  6 ASN A   5  HOH A1025  HOH A1404  ARG B 370                    
SITE     2 AC1  6 PHE C 376  LEU C 378                                          
SITE     1 AC2  5 PHE B 278  PRO B 279  TYR B 280  TYR B 323                    
SITE     2 AC2  5 VAL C 431                                                     
SITE     1 AC3  9 VAL A  32  MET A  33  GLY A  34  HOH A1097                    
SITE     2 AC3  9 HOH A1442  ASN B 227  GLY C 406  THR C 407                    
SITE     3 AC3  9 GLY C 408                                                     
SITE     1 AC4  2 ARG B 226  ASN B 227                                          
SITE     1 AC5  6 SER A  22  LYS A  38  TYR A  75  ASN A 109                    
SITE     2 AC5  6 TRP A 110  ALA A 111                                          
CRYST1   87.154   88.031  114.609  90.00  90.00  90.00 I 2 2 2       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011474  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011360  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008725        0.00000