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Database: PDB
Entry: 3CBK
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Original site: 3CBK 
HEADER    HYDROLASE/HYDROLASE INHIBITOR           22-FEB-08   3CBK              
TITLE     CHAGASIN-CATHEPSIN B                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CATHEPSIN B;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CATHEPSIN B1, APP SECRETASE, APPS;                          
COMPND   5 EC: 3.4.22.1;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: CHAGASIN;                                                  
COMPND  10 CHAIN: B;                                                            
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CTSB, CPSB;                                                    
SOURCE   6 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: GS115;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PPIC9;                                    
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI;                              
SOURCE  13 ORGANISM_TAXID: 5693;                                                
SOURCE  14 GENE: CHA;                                                           
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: P-GEX-6P-1                                
KEYWDS    CHAGASIN, CATHEPSIN B, OCCLUDING LOOP, CHAGAS DISEASE, GLYCOPROTEIN,  
KEYWDS   2 HYDROLASE, LYSOSOME, PROTEASE, THIOL PROTEASE, ZYMOGEN, CYTOPLASMIC  
KEYWDS   3 VESICLE, PROTEASE INHIBITOR, THIOL PROTEASE INHIBITOR, HYDROLASE-    
KEYWDS   4 HYDROLASE INHIBITOR COMPLEX                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.REDZYNIA,G.D.BUJACZ,M.ABRAHAMSON,A.LJUNGGREN,M.JASKOLSKI,J.S.MORT   
REVDAT   7   01-NOV-23 3CBK    1       REMARK                                   
REVDAT   6   10-NOV-21 3CBK    1       SEQADV                                   
REVDAT   5   23-MAY-18 3CBK    1       REMARK                                   
REVDAT   4   19-MAR-14 3CBK    1       JRNL                                     
REVDAT   3   13-JUL-11 3CBK    1       VERSN                                    
REVDAT   2   24-FEB-09 3CBK    1       VERSN                                    
REVDAT   1   27-MAY-08 3CBK    0                                                
JRNL        AUTH   I.REDZYNIA,A.LJUNGGREN,M.ABRAHAMSON,J.S.MORT,J.C.KRUPA,      
JRNL        AUTH 2 M.JASKOLSKI,G.BUJACZ                                         
JRNL        TITL   DISPLACEMENT OF THE OCCLUDING LOOP BY THE PARASITE PROTEIN,  
JRNL        TITL 2 CHAGASIN, RESULTS IN EFFICIENT INHIBITION OF HUMAN CATHEPSIN 
JRNL        TITL 3 B.                                                           
JRNL        REF    J.BIOL.CHEM.                  V. 283 22815 2008              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   18515357                                                     
JRNL        DOI    10.1074/JBC.M802064200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.67 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 2.67                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 11311                          
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) : 0.195                           
REMARK   3   R VALUE            (WORKING SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.242                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 573                             
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) : 2.67                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 828                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.92                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2640                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 42                           
REMARK   3   BIN FREE R VALUE                    : 0.2890                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2820                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 63                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : 69.27                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 52.48                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.39000                                              
REMARK   3    B22 (A**2) : 1.39000                                              
REMARK   3    B33 (A**2) : -2.79000                                             
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): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.339         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.249         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 19.175        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.912                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2917 ; 0.024 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3972 ; 2.357 ; 1.927       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   365 ; 9.084 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   132 ;34.414 ;24.242       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   436 ;22.790 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    11 ;20.704 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   409 ; 0.156 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2282 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1421 ; 0.264 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1902 ; 0.334 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   133 ; 0.253 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    45 ; 0.358 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     4 ; 0.418 ; 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):  1859 ; 0.956 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2915 ; 1.608 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1246 ; 2.494 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1057 ; 3.743 ; 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  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    61        A   255                          
REMARK   3    ORIGIN FOR THE GROUP (A):  32.6751  18.2207  22.4048              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.3277 T22:   0.0586                                     
REMARK   3      T33:  -0.0626 T12:  -0.0053                                     
REMARK   3      T13:   0.0865 T23:  -0.0786                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.5255 L22:   2.0875                                     
REMARK   3      L33:   3.9530 L12:   0.2215                                     
REMARK   3      L13:   0.7673 L23:   0.6087                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0687 S12:  -0.0373 S13:   0.2761                       
REMARK   3      S21:  -0.1221 S22:  -0.0199 S23:   0.0324                       
REMARK   3      S31:  -0.0556 S32:   0.3993 S33:   0.0886                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     1        B   110                          
REMARK   3    ORIGIN FOR THE GROUP (A):  24.4211  43.4757  10.1906              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0097 T22:   0.0733                                     
REMARK   3      T33:  -0.0894 T12:  -0.1607                                     
REMARK   3      T13:   0.1233 T23:  -0.1136                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.6037 L22:   3.0368                                     
REMARK   3      L33:   2.3883 L12:  -0.5978                                     
REMARK   3      L13:   0.0866 L23:  -1.4900                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0869 S12:   0.2534 S13:   0.0151                       
REMARK   3      S21:  -0.1599 S22:   0.0409 S23:   0.2583                       
REMARK   3      S31:  -0.3234 S32:  -0.2420 S33:   0.0460                       
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: NULL                                      
REMARK   4                                                                      
REMARK   4 3CBK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-FEB-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000046577.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-APR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : MAX II                             
REMARK 200  BEAMLINE                       : I911-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.041                              
REMARK 200  MONOCHROMATOR                  : BENT SILICON CRYSTAL               
REMARK 200  OPTICS                         : MONOCHROMATOR, MULTILAYER MIRROR   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11903                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.670                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 68.520                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 5.700                              
REMARK 200  R MERGE                    (I) : 0.10900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.67                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.77                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.57600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3CBJ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.38                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.14M AMMONIUM FLUORIDE, 14% PEG 3350,   
REMARK 280  PH 6.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/2                                      
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   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       42.53300            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       42.53300            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       57.84550            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       42.53300            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       42.53300            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       57.84550            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       42.53300            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       42.53300            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       57.84550            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       42.53300            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       42.53300            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       57.84550            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2710 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16140 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.4 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     PHE A    57P                                                     
REMARK 465     THR A    58P                                                     
REMARK 465     GLU A    59P                                                     
REMARK 465     ASP A    60P                                                     
REMARK 465     TYR A   256                                                      
REMARK 465     TRP A   257                                                      
REMARK 465     GLU A   258                                                      
REMARK 465     LYS A   259                                                      
REMARK 465     ILE A   260                                                      
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    CYS A  26   CB    CYS A  26   SG     -0.139                       
REMARK 500    GLU B  23   CD    GLU B  23   OE2     0.071                       
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    GLU A 109   N   -  CA  -  C   ANGL. DEV. =  18.3 DEGREES          
REMARK 500    VAL A 112   CB  -  CA  -  C   ANGL. DEV. = -19.1 DEGREES          
REMARK 500    VAL A 112   N   -  CA  -  C   ANGL. DEV. =  40.5 DEGREES          
REMARK 500    CYS A 128   CA  -  CB  -  SG  ANGL. DEV. =   7.0 DEGREES          
REMARK 500    TYR A 148   CB  -  CA  -  C   ANGL. DEV. = -15.3 DEGREES          
REMARK 500    SER A 156   CB  -  CA  -  C   ANGL. DEV. =  17.7 DEGREES          
REMARK 500    GLU A 194   CB  -  CA  -  C   ANGL. DEV. =  12.1 DEGREES          
REMARK 500    SER B   2   CB  -  CA  -  C   ANGL. DEV. =  12.7 DEGREES          
REMARK 500    LYS B   7   CB  -  CA  -  C   ANGL. DEV. = -12.8 DEGREES          
REMARK 500    ALA B  17   CB  -  CA  -  C   ANGL. DEV. =   9.6 DEGREES          
REMARK 500    GLU B  23   CG  -  CD  -  OE1 ANGL. DEV. = -12.7 DEGREES          
REMARK 500    GLU B  23   CG  -  CD  -  OE2 ANGL. DEV. =  14.5 DEGREES          
REMARK 500    ILE B  24   N   -  CA  -  C   ANGL. DEV. = -19.2 DEGREES          
REMARK 500    ASP B  61   CB  -  CG  -  OD2 ANGL. DEV. =   6.9 DEGREES          
REMARK 500    ASP B  61   N   -  CA  -  C   ANGL. DEV. = -18.9 DEGREES          
REMARK 500    LYS B  63   CB  -  CA  -  C   ANGL. DEV. = -12.1 DEGREES          
REMARK 500    HIS B  74   N   -  CA  -  C   ANGL. DEV. = -17.7 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    PRO A 107     -167.46    -67.65                                   
REMARK 500    ASN A 113      -74.62    -94.87                                   
REMARK 500    ARG A 116     -151.83     63.44                                   
REMARK 500    PRO A 118     -153.93    -83.25                                   
REMARK 500    CYS A 119       54.25   -118.75                                   
REMARK 500    THR A 120     -155.30    -73.55                                   
REMARK 500    GLU A 122       51.26   -111.61                                   
REMARK 500    PRO A 134      153.44    -49.89                                   
REMARK 500    THR A 139      175.74    -59.29                                   
REMARK 500    ASP A 179       -9.86    -52.97                                   
REMARK 500    ASN A 222     -168.09     64.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2NQD   RELATED DB: PDB                                   
REMARK 900 CHAGASIN-CATHEPSIN L                                                 
REMARK 900 RELATED ID: 2NNR   RELATED DB: PDB                                   
REMARK 900 NATIVE CHAGASIN                                                      
REMARK 900 RELATED ID: 1HUC   RELATED DB: PDB                                   
REMARK 900 NATIVE CATHEPSIN B                                                   
REMARK 900 RELATED ID: 3PBH   RELATED DB: PDB                                   
REMARK 900 PROCATHEPSIN B                                                       
REMARK 900 RELATED ID: 3CBJ   RELATED DB: PDB                                   
REMARK 900 CHAGASIN-CATHESPIN B                                                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 IN THE CHAIN A, PHE 57P, THR 58P, GLU 59P, ASP 60P, LEU 61P, LYS     
REMARK 999 62P BELONG TO PROSEGMENT SEQUENCE.                                   
DBREF  3CBK A   57P  260  UNP    P07858   CATB_HUMAN      74    339             
DBREF  3CBK B    1   110  UNP    Q966X9   CHAG_TRYCR       1    110             
SEQADV 3CBK ALA A   29  UNP  P07858    CYS   108 ENGINEERED MUTATION            
SEQADV 3CBK ALA A  110  UNP  P07858    HIS   189 ENGINEERED MUTATION            
SEQADV 3CBK ALA A  115  UNP  P07858    SER   194 ENGINEERED MUTATION            
SEQRES   1 A  266  PHE THR GLU ASP LEU LYS LEU PRO ALA SER PHE ASP ALA          
SEQRES   2 A  266  ARG GLU GLN TRP PRO GLN CYS PRO THR ILE LYS GLU ILE          
SEQRES   3 A  266  ARG ASP GLN GLY SER CYS GLY SER ALA TRP ALA PHE GLY          
SEQRES   4 A  266  ALA VAL GLU ALA ILE SER ASP ARG ILE CYS ILE HIS THR          
SEQRES   5 A  266  ASN ALA HIS VAL SER VAL GLU VAL SER ALA GLU ASP LEU          
SEQRES   6 A  266  LEU THR CYS CYS GLY SER MET CYS GLY ASP GLY CYS ASN          
SEQRES   7 A  266  GLY GLY TYR PRO ALA GLU ALA TRP ASN PHE TRP THR ARG          
SEQRES   8 A  266  LYS GLY LEU VAL SER GLY GLY LEU TYR GLU SER HIS VAL          
SEQRES   9 A  266  GLY CYS ARG PRO TYR SER ILE PRO PRO CYS GLU ALA HIS          
SEQRES  10 A  266  VAL ASN GLY ALA ARG PRO PRO CYS THR GLY GLU GLY ASP          
SEQRES  11 A  266  THR PRO LYS CYS SER LYS ILE CYS GLU PRO GLY TYR SER          
SEQRES  12 A  266  PRO THR TYR LYS GLN ASP LYS HIS TYR GLY TYR ASN SER          
SEQRES  13 A  266  TYR SER VAL SER ASN SER GLU LYS ASP ILE MET ALA GLU          
SEQRES  14 A  266  ILE TYR LYS ASN GLY PRO VAL GLU GLY ALA PHE SER VAL          
SEQRES  15 A  266  TYR SER ASP PHE LEU LEU TYR LYS SER GLY VAL TYR GLN          
SEQRES  16 A  266  HIS VAL THR GLY GLU MET MET GLY GLY HIS ALA ILE ARG          
SEQRES  17 A  266  ILE LEU GLY TRP GLY VAL GLU ASN GLY THR PRO TYR TRP          
SEQRES  18 A  266  LEU VAL ALA ASN SER TRP ASN THR ASP TRP GLY ASP ASN          
SEQRES  19 A  266  GLY PHE PHE LYS ILE LEU ARG GLY GLN ASP HIS CYS GLY          
SEQRES  20 A  266  ILE GLU SER GLU VAL VAL ALA GLY ILE PRO ARG THR ASP          
SEQRES  21 A  266  GLN TYR TRP GLU LYS ILE                                      
SEQRES   1 B  110  MET SER HIS LYS VAL THR LYS ALA HIS ASN GLY ALA THR          
SEQRES   2 B  110  LEU THR VAL ALA VAL GLY GLU LEU VAL GLU ILE GLN LEU          
SEQRES   3 B  110  PRO SER ASN PRO THR THR GLY PHE ALA TRP TYR PHE GLU          
SEQRES   4 B  110  GLY GLY THR LYS GLU SER PRO ASN GLU SER MET PHE THR          
SEQRES   5 B  110  VAL GLU ASN LYS TYR PHE PRO PRO ASP SER LYS LEU LEU          
SEQRES   6 B  110  GLY ALA GLY GLY THR GLU HIS PHE HIS VAL THR VAL LYS          
SEQRES   7 B  110  ALA ALA GLY THR HIS ALA VAL ASN LEU THR TYR MET ARG          
SEQRES   8 B  110  PRO TRP THR GLY PRO SER HIS ASP SER GLU ARG PHE THR          
SEQRES   9 B  110  VAL TYR LEU LYS ALA ASN                                      
FORMUL   3  HOH   *63(H2 O)                                                     
HELIX    1   1 ALA A    7  TRP A   11  1                                   5    
HELIX    2   2 CYS A   14  GLU A   19  5                                   6    
HELIX    3   3 SER A   28  HIS A   45  1                                  18    
HELIX    4   4 SER A   55  CYS A   63  1                                   9    
HELIX    5   5 GLY A   64  CYS A   67  5                                   4    
HELIX    6   6 ASP A   69  GLY A   73  5                                   5    
HELIX    7   7 TYR A   75  LYS A   86  1                                  12    
HELIX    8   8 THR A  139  ASP A  143  5                                   5    
HELIX    9   9 GLU A  157  GLY A  168  1                                  12    
HELIX   10  10 SER A  178  TYR A  183  1                                   6    
HELIX   11  11 ASP A  238  ILE A  242  5                                   5    
HELIX   12  12 THR B    6  ASN B   10  5                                   5    
HELIX   13  13 ASN B   29  GLY B   33  5                                   5    
HELIX   14  14 PHE B   38  THR B   42  5                                   5    
SHEET    1   A 5 PHE A   5  ASP A   6  0                                        
SHEET    2   A 5 MET A 195  GLU A 209 -1  O  TRP A 206   N  PHE A   5           
SHEET    3   A 5 VAL A 170  TYR A 177 -1  N  GLY A 172   O  ILE A 201           
SHEET    4   A 5 VAL A 246  ALA A 248 -1  O  VAL A 247   N  GLU A 171           
SHEET    5   A 5 TYR A 151  VAL A 153 -1  N  VAL A 153   O  VAL A 246           
SHEET    1   B 5 PHE A   5  ASP A   6  0                                        
SHEET    2   B 5 MET A 195  GLU A 209 -1  O  TRP A 206   N  PHE A   5           
SHEET    3   B 5 THR A 212  ALA A 218 -1  O  THR A 212   N  GLU A 209           
SHEET    4   B 5 PHE A 230  LEU A 234 -1  O  PHE A 231   N  VAL A 217           
SHEET    5   B 5 VAL A 187  TYR A 188  1  N  TYR A 188   O  LYS A 232           
SHEET    1   C 4 HIS B   3  VAL B   5  0                                        
SHEET    2   C 4 LEU B  21  SER B  28  1  O  GLU B  23   N  VAL B   5           
SHEET    3   C 4 GLY B  69  VAL B  77 -1  O  GLU B  71   N  LEU B  26           
SHEET    4   C 4 PHE B  51  PHE B  58 -1  N  GLU B  54   O  HIS B  74           
SHEET    1   D 4 THR B  13  VAL B  16  0                                        
SHEET    2   D 4 GLU B 101  ALA B 109  1  O  LYS B 108   N  VAL B  16           
SHEET    3   D 4 GLY B  81  MET B  90 -1  N  LEU B  87   O  PHE B 103           
SHEET    4   D 4 ALA B  35  TYR B  37 -1  N  TYR B  37   O  THR B  88           
SSBOND   1 CYS A   14    CYS A   43                          1555   1555  2.10  
SSBOND   2 CYS A   26    CYS A   71                          1555   1555  2.09  
SSBOND   3 CYS A   62    CYS A  128                          1555   1555  2.04  
SSBOND   4 CYS A   63    CYS A   67                          1555   1555  2.05  
SSBOND   5 CYS A  100    CYS A  132                          1555   1555  2.13  
SSBOND   6 CYS A  108    CYS A  119                          1555   1555  2.03  
CRYST1   85.066   85.066  115.691  90.00  90.00  90.00 P 42 21 2     8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011756  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011756  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008644        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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