HEADER    HYDROLASE                               06-APR-03   1OYO              
TITLE     REGULATION OF PROTEASE ACTIVITY BY MELANIN: CRYSTAL STRUCTURE OF THE  
TITLE    2 COMPLEX FORMED BETWEEN PROTEINASE K AND MELANIN MONOMERS AT 2.0      
TITLE    3 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEINASE K;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.4.21.64                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM;                             
SOURCE   3 ORGANISM_TAXID: 37998                                                
KEYWDS    PROTEINASE K, ACTIVITY, INHIBITION, MELANIN, HYDROLASE                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.SINGH,S.SHARMA,S.KUMAR,G.RAMAN,T.P.SINGH                            
REVDAT   4   16-OCT-24 1OYO    1       REMARK                                   
REVDAT   3   03-APR-24 1OYO    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1OYO    1       VERSN                                    
REVDAT   1   20-MAY-03 1OYO    0                                                
JRNL        AUTH   N.SINGH,S.SHARMA,S.KUMAR,G.RAMAN,T.P.SINGH                   
JRNL        TITL   REGULATION OF PROTEASE ACTIVITY BY MELANIN: CRYSTAL          
JRNL        TITL 2 STRUCTURE OF THE COMPLEX FORMED BETWEEN PROTEINASE K AND     
JRNL        TITL 3 MELANIN MONOMERS AT 2.0 RESOLUTION                           
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.02 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.02                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 14.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2006736.130                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 17246                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.171                           
REMARK   3   FREE R VALUE                     : 0.190                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 833                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.12                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 80.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2227                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1930                       
REMARK   3   BIN FREE R VALUE                    : 0.2110                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 113                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.020                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2030                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 130                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.50                          
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) : 0.19                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.12                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.22                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.16                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.980                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.320 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.690 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.530 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.620 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.41                                                 
REMARK   3   BSOL        : 67.32                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : IND.PARAM                                      
REMARK   3  PARAMETER FILE  5  : CARBOHYDRATE.PARAM                             
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : IND.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : CARBOHYDRATE.TOP                               
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1OYO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-APR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000018808.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-MAY-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MONOCHROMATOR                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33569                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.20                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.09800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1PRK                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.66                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM TRIS-HCL, 0.75M SODIUM NITRATE,     
REMARK 280  PH 8.0, MICRODIALYSIS, TEMPERATURE 278K                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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       54.14600            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       34.15950            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       34.15950            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       81.21900            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       34.15950            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       34.15950            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       27.07300            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       34.15950            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       34.15950            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       81.21900            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       34.15950            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       34.15950            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       27.07300            
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       54.14600            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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    PRO A 171   C   -  N   -  CA  ANGL. DEV. =  50.4 DEGREES          
REMARK 500    PRO A 171   C   -  N   -  CD  ANGL. DEV. = -43.5 DEGREES          
REMARK 500    PRO A 171   CA  -  N   -  CD  ANGL. DEV. = -25.2 DEGREES          
REMARK 500    PRO A 171   N   -  CA  -  CB  ANGL. DEV. =  14.8 DEGREES          
REMARK 500    PRO A 171   N   -  CD  -  CG  ANGL. DEV. =  17.8 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    ASP A  39     -137.46   -155.44                                   
REMARK 500    LYS A  57      135.65   -170.44                                   
REMARK 500    PRO A 171      -39.49    122.40                                   
REMARK 500    SER A 216     -164.97   -111.90                                   
REMARK 500    ASN A 270       74.41   -112.93                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A1001  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 PRO A 175   O                                                      
REMARK 620 2 VAL A 177   O    88.3                                              
REMARK 620 3 ASP A 200   OD1 161.6  80.8                                        
REMARK 620 4 ASP A 200   OD2 148.8 115.2  49.1                                  
REMARK 620 5 HOH A1003   O    75.0 141.4 122.3  73.9                            
REMARK 620 6 HOH A1004   O    89.3  72.5 101.3  79.5  72.7                      
REMARK 620 7 HOH A1005   O    97.1 145.3  83.9  75.4  72.4 141.4                
REMARK 620 8 HOH A1006   O    84.3  69.3  78.0 122.0 140.3 141.4  77.2          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3ID A 694                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BJR   RELATED DB: PDB                                   
REMARK 900 COMPLEX FORMED BETWEEN PROTEOLYTICALLY GENERATED LACTOFERRIN         
REMARK 900 FRAGMENT AND PROTEINASE K                                            
REMARK 900 RELATED ID: 1IC6   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A SERINE PROTEASE PROTEINASE K FROM TRITIRACHIUM ALBUM  
REMARK 900 LIMBER AT 0.98 A RESOLUTION                                          
REMARK 900 RELATED ID: 1PEK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE COMPLEX OF PROTEINASE K WITH A SUBSTRATE ANALOGUE   
REMARK 900 HEXAPEPTIDE INHIBITOR AT 2.2-A RESOLUTION                            
DBREF  1OYO A    1   279  UNP    P06873   PRTK_TRIAL     106    384             
SEQRES   1 A  279  ALA ALA GLN THR ASN ALA PRO TRP GLY LEU ALA ARG ILE          
SEQRES   2 A  279  SER SER THR SER PRO GLY THR SER THR TYR TYR TYR ASP          
SEQRES   3 A  279  GLU SER ALA GLY GLN GLY SER CYS VAL TYR VAL ILE ASP          
SEQRES   4 A  279  THR GLY ILE GLU ALA SER HIS PRO GLU PHE GLU GLY ARG          
SEQRES   5 A  279  ALA GLN MET VAL LYS THR TYR TYR TYR SER SER ARG ASP          
SEQRES   6 A  279  GLY ASN GLY HIS GLY THR HIS CYS ALA GLY THR VAL GLY          
SEQRES   7 A  279  SER ARG THR TYR GLY VAL ALA LYS LYS THR GLN LEU PHE          
SEQRES   8 A  279  GLY VAL LYS VAL LEU ASP ASP ASN GLY SER GLY GLN TYR          
SEQRES   9 A  279  SER THR ILE ILE ALA GLY MET ASP PHE VAL ALA SER ASP          
SEQRES  10 A  279  LYS ASN ASN ARG ASN CYS PRO LYS GLY VAL VAL ALA SER          
SEQRES  11 A  279  LEU SER LEU GLY GLY GLY TYR SER SER SER VAL ASN SER          
SEQRES  12 A  279  ALA ALA ALA ARG LEU GLN SER SER GLY VAL MET VAL ALA          
SEQRES  13 A  279  VAL ALA ALA GLY ASN ASN ASN ALA ASP ALA ARG ASN TYR          
SEQRES  14 A  279  SER PRO ALA SER GLU PRO SER VAL CYS THR VAL GLY ALA          
SEQRES  15 A  279  SER ASP ARG TYR ASP ARG ARG SER SER PHE SER ASN TYR          
SEQRES  16 A  279  GLY SER VAL LEU ASP ILE PHE GLY PRO GLY THR SER ILE          
SEQRES  17 A  279  LEU SER THR TRP ILE GLY GLY SER THR ARG SER ILE SER          
SEQRES  18 A  279  GLY THR SER MET ALA THR PRO HIS VAL ALA GLY LEU ALA          
SEQRES  19 A  279  ALA TYR LEU MET THR LEU GLY LYS THR THR ALA ALA SER          
SEQRES  20 A  279  ALA CYS ARG TYR ILE ALA ASP THR ALA ASN LYS GLY ASP          
SEQRES  21 A  279  LEU SER ASN ILE PRO PHE GLY THR VAL ASN LEU LEU ALA          
SEQRES  22 A  279  TYR ASN ASN TYR GLN ALA                                      
HET     CA  A1001       1                                                       
HET     CA  A1002       1                                                       
HET    3ID  A 694      11                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     3ID 3H-INDOLE-5,6-DIOL                                               
FORMUL   2   CA    2(CA 2+)                                                     
FORMUL   4  3ID    C8 H7 N O2                                                   
FORMUL   5  HOH   *130(H2 O)                                                    
HELIX    1   1 PRO A    7  SER A   14  1                                   8    
HELIX    2   2 HIS A   46  GLU A   50  5                                   5    
HELIX    3   3 GLY A   68  SER A   79  1                                  12    
HELIX    4   4 GLN A  103  LYS A  118  1                                  16    
HELIX    5   5 ASN A  119  ARG A  121  5                                   3    
HELIX    6   6 SER A  138  SER A  151  1                                  14    
HELIX    7   7 ASP A  165  ARG A  167  5                                   3    
HELIX    8   8 GLY A  222  LEU A  240  1                                  19    
HELIX    9   9 SER A  247  THR A  255  1                                   9    
SHEET    1   A 2 ALA A   2  GLN A   3  0                                        
SHEET    2   A 2 TYR A  23  TYR A  24 -1  O  TYR A  23   N  GLN A   3           
SHEET    1   B 7 ALA A  53  THR A  58  0                                        
SHEET    2   B 7 GLN A  89  LYS A  94  1  O  LYS A  94   N  LYS A  57           
SHEET    3   B 7 SER A  33  ASP A  39  1  N  VAL A  37   O  PHE A  91           
SHEET    4   B 7 GLY A 126  LEU A 131  1  O  SER A 130   N  TYR A  36           
SHEET    5   B 7 MET A 154  ALA A 158  1  O  MET A 154   N  ALA A 129           
SHEET    6   B 7 CYS A 178  SER A 183  1  O  VAL A 180   N  VAL A 157           
SHEET    7   B 7 ILE A 201  PRO A 204  1  O  ILE A 201   N  GLY A 181           
SHEET    1   C 2 GLY A 135  GLY A 136  0                                        
SHEET    2   C 2 TYR A 169  SER A 170 -1  O  SER A 170   N  GLY A 135           
SHEET    1   D 2 ILE A 208  TRP A 212  0                                        
SHEET    2   D 2 SER A 216  ILE A 220 -1  O  ILE A 220   N  ILE A 208           
SHEET    1   E 2 ASN A 257  LYS A 258  0                                        
SHEET    2   E 2 LEU A 271  LEU A 272 -1  O  LEU A 272   N  ASN A 257           
SSBOND   1 CYS A   34    CYS A  123                          1555   1555  2.03  
SSBOND   2 CYS A  178    CYS A  249                          1555   1555  2.03  
LINK         O   THR A  16                CA    CA A1002     1555   1555  3.15  
LINK         O   PRO A 175                CA    CA A1001     1555   1555  2.53  
LINK         O   VAL A 177                CA    CA A1001     1555   1555  2.50  
LINK         OD1 ASP A 200                CA    CA A1001     1555   1555  2.59  
LINK         OD2 ASP A 200                CA    CA A1001     1555   1555  2.72  
LINK        CA    CA A1001                 O   HOH A1003     1555   1555  2.75  
LINK        CA    CA A1001                 O   HOH A1004     1555   1555  2.67  
LINK        CA    CA A1001                 O   HOH A1005     1555   1555  2.69  
LINK        CA    CA A1001                 O   HOH A1006     1555   1555  2.71  
SITE     1 AC1  7 PRO A 175  VAL A 177  ASP A 200  HOH A1003                    
SITE     2 AC1  7 HOH A1004  HOH A1005  HOH A1006                               
SITE     1 AC2  2 THR A  16  ASP A 260                                          
SITE     1 AC3  7 HIS A  69  LEU A  96  GLY A 100  SER A 132                    
SITE     2 AC3  7 LEU A 133  GLY A 134  SER A 224                               
CRYST1   68.319   68.319  108.292  90.00  90.00  90.00 P 43 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      0.014637  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014637  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009234        0.00000