HEADER    HYDROLASE/HYDROLASE INHIBITOR           29-JUN-17   5XW8              
TITLE     CRYSTAL STRUCTURE OF PORCINE PANCREATIC TRYPSIN WITH TRIPEPTIDE       
TITLE    2 INHIBITOR, PRN, AT PH 7                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPSIN;                                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 1-133;                                        
COMPND   5 SYNONYM: PORCINE PANCREATIC TRYPSIN;                                 
COMPND   6 EC: 3.4.21.4;                                                        
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: TRYPSIN;                                                   
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: UNP RESIDUES 134-231;                                      
COMPND  11 SYNONYM: PORCINE PANCREATIC TRYPSIN;                                 
COMPND  12 EC: 3.4.21.4;                                                        
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: ACETYLATED-PRO-ARG-ASN INHIBITOR;                          
COMPND  15 CHAIN: C;                                                            
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SUS SCROFA;                                     
SOURCE   3 ORGANISM_COMMON: PIG;                                                
SOURCE   4 ORGANISM_TAXID: 9823;                                                
SOURCE   5 OTHER_DETAILS: COMMERCIALLY AVAILABLE TRYPSIN FROM SIGMA (CAT. NO.   
SOURCE   6 T4799);                                                              
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: SUS SCROFA;                                     
SOURCE   9 ORGANISM_COMMON: PIG;                                                
SOURCE  10 ORGANISM_TAXID: 9823;                                                
SOURCE  11 OTHER_DETAILS: COMMERCIALLY AVAILABLE TRYPSIN FROM SIGMA (CAT. NO.   
SOURCE  12 T4799);                                                              
SOURCE  13 MOL_ID: 3;                                                           
SOURCE  14 SYNTHETIC: YES;                                                      
SOURCE  15 ORGANISM_SCIENTIFIC: CAPSICUM ANNUUM;                                
SOURCE  16 ORGANISM_TAXID: 4072                                                 
KEYWDS    PROTEASE, INHIBITOR, COMPLEX, HYDROLASE-HYDROLASE INHIBITOR COMPLEX   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.S.SAIKHEDKAR,A.S.BHOITE,A.P.GIRI,K.A.KULKARNI                       
REVDAT   4   16-OCT-24 5XW8    1       REMARK                                   
REVDAT   3   22-NOV-23 5XW8    1       REMARK                                   
REVDAT   2   11-APR-18 5XW8    1       JRNL                                     
REVDAT   1   28-MAR-18 5XW8    0                                                
JRNL        AUTH   N.S.SAIKHEDKAR,R.S.JOSHI,A.S.BHOITE,R.MOHANDASAN,A.K.YADAV,  
JRNL        AUTH 2 M.FERNANDES,K.A.KULKARNI,A.P.GIRI                            
JRNL        TITL   TRIPEPTIDES DERIVED FROM REACTIVE CENTRE LOOP OF POTATO TYPE 
JRNL        TITL 2 II PROTEASE INHIBITORS PREFERENTIALLY INHIBIT MIDGUT         
JRNL        TITL 3 PROTEASES OF HELICOVERPA ARMIGERA.                           
JRNL        REF    INSECT BIOCHEM. MOL. BIOL.    V.  95    17 2018              
JRNL        REFN                   ISSN 1879-0240                               
JRNL        PMID   29486250                                                     
JRNL        DOI    10.1016/J.IBMB.2018.02.001                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (1.11.1_2575: ???)                            
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 41.44                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 19099                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.151                           
REMARK   3   R VALUE            (WORKING SET) : 0.149                           
REMARK   3   FREE R VALUE                     : 0.178                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.120                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 978                             
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 41.4494 -  3.8284    0.97     2751   137  0.1659 0.1800        
REMARK   3     2  3.8284 -  3.0390    0.99     2610   135  0.1390 0.1407        
REMARK   3     3  3.0390 -  2.6549    0.99     2569   146  0.1447 0.1886        
REMARK   3     4  2.6549 -  2.4122    1.00     2561   155  0.1417 0.2047        
REMARK   3     5  2.4122 -  2.2393    1.00     2544   135  0.1464 0.1679        
REMARK   3     6  2.2393 -  2.1073    1.00     2550   150  0.1433 0.1979        
REMARK   3     7  2.1073 -  2.0018    0.99     2536   120  0.1499 0.1930        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.160            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.610           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.006           1699                                  
REMARK   3   ANGLE     :  0.779           2307                                  
REMARK   3   CHIRALITY :  0.057            258                                  
REMARK   3   PLANARITY :  0.004            297                                  
REMARK   3   DIHEDRAL  :  6.117           1348                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: (CHAIN A AND RESSEQ 9:132) OR (CHAIN B AND RESSEQ      
REMARK   3               134:231)                                               
REMARK   3    ORIGIN FOR THE GROUP (A):  -7.8049  33.1643  -6.4751              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0680 T22:   0.0781                                     
REMARK   3      T33:   0.0696 T12:  -0.0007                                     
REMARK   3      T13:   0.0079 T23:   0.0053                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.7851 L22:   1.1199                                     
REMARK   3      L33:   0.6649 L12:   0.5339                                     
REMARK   3      L13:  -0.2686 L23:  -0.1265                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0327 S12:   0.0164 S13:   0.0326                       
REMARK   3      S21:   0.0991 S22:  -0.0019 S23:   0.0727                       
REMARK   3      S31:   0.0004 S32:  -0.0452 S33:  -0.0184                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5XW8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-JUL-17.                  
REMARK 100 THE DEPOSITION ID IS D_1300004269.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-SEP-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : RRCAT INDUS-2                      
REMARK 200  BEAMLINE                       : PX-BL21                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19102                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 41.500                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 21.30                              
REMARK 200  R MERGE                    (I) : 0.13400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.06                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 20.90                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.46000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 4DOQ                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.5, 70% MPD, VAPOR        
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 300K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       45.21433            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       90.42867            
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       67.82150            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      113.03583            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       22.60717            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       45.21433            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       90.42867            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      113.03583            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       67.82150            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       22.60717            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6970 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 8740 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH B 410  LIES ON A SPECIAL POSITION.                          
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THERE IS AUTOLYSIS OF TRYPSIN AT RESIDUE 133, THUS TRYPSIN IS SPLIT  
REMARK 400 INTO TWO ENTITIES.                                                   
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     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     ASP A     4                                                      
REMARK 465     ASP A     5                                                      
REMARK 465     ASP A     6                                                      
REMARK 465     ASP A     7                                                      
REMARK 465     LYS A     8                                                      
REMARK 465     LYS A   133                                                      
REMARK 465     ASN C   404                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   500     O    HOH A   511              1.95            
REMARK 500   O    HOH A   520     O    HOH A   523              1.96            
REMARK 500   O    HOH B   495     O    HOH B   498              1.96            
REMARK 500   OG   SER A    52     O    HOH A   401              2.02            
REMARK 500   O    HOH A   516     O    HOH B   502              2.03            
REMARK 500   O    HOH A   485     O    HOH A   525              2.06            
REMARK 500   OE1  GLU A    67     O    HOH A   402              2.06            
REMARK 500   O    HOH B   484     O    HOH B   485              2.10            
REMARK 500   O    HOH A   516     O    HOH A   528              2.13            
REMARK 500   O    HOH A   511     O    HOH A   514              2.14            
REMARK 500   OG   SER A    28     O    HOH A   403              2.15            
REMARK 500   O    HOH B   477     O    HOH B   493              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 A   413     O    HOH B   446    10664     2.17            
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    ILE A  20       67.96   -118.94                                   
REMARK 500    SER A  45     -159.67   -147.82                                   
REMARK 500    HIS A  61      -65.95   -124.35                                   
REMARK 500    SER B 200      -69.66   -124.14                                   
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 A 301  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  60   OE1                                                    
REMARK 620 2 ASN A  62   O    88.5                                              
REMARK 620 3 VAL A  65   O   165.1  83.3                                        
REMARK 620 4 GLU A  70   OE2 104.2 162.0  86.8                                  
REMARK 620 5 HOH A 402   O    91.0  84.4 100.6  82.7                            
REMARK 620 6 HOH A 422   O    78.2 100.6  91.1  94.5 167.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MPD B 301                 
DBREF  5XW8 A    1   133  UNP    P00761   TRYP_PIG         1    133             
DBREF  5XW8 B  134   231  UNP    P00761   TRYP_PIG       134    231             
DBREF  5XW8 C  401   404  PDB    5XW8     5XW8           401    404             
SEQRES   1 A  133  PHE PRO THR ASP ASP ASP ASP LYS ILE VAL GLY GLY TYR          
SEQRES   2 A  133  THR CYS ALA ALA ASN SER ILE PRO TYR GLN VAL SER LEU          
SEQRES   3 A  133  ASN SER GLY SER HIS PHE CYS GLY GLY SER LEU ILE ASN          
SEQRES   4 A  133  SER GLN TRP VAL VAL SER ALA ALA HIS CYS TYR LYS SER          
SEQRES   5 A  133  ARG ILE GLN VAL ARG LEU GLY GLU HIS ASN ILE ASP VAL          
SEQRES   6 A  133  LEU GLU GLY ASN GLU GLN PHE ILE ASN ALA ALA LYS ILE          
SEQRES   7 A  133  ILE THR HIS PRO ASN PHE ASN GLY ASN THR LEU ASP ASN          
SEQRES   8 A  133  ASP ILE MET LEU ILE LYS LEU SER SER PRO ALA THR LEU          
SEQRES   9 A  133  ASN SER ARG VAL ALA THR VAL SER LEU PRO ARG SER CYS          
SEQRES  10 A  133  ALA ALA ALA GLY THR GLU CYS LEU ILE SER GLY TRP GLY          
SEQRES  11 A  133  ASN THR LYS                                                  
SEQRES   1 B   98  SER SER GLY SER SER TYR PRO SER LEU LEU GLN CYS LEU          
SEQRES   2 B   98  LYS ALA PRO VAL LEU SER ASP SER SER CYS LYS SER SER          
SEQRES   3 B   98  TYR PRO GLY GLN ILE THR GLY ASN MET ILE CYS VAL GLY          
SEQRES   4 B   98  PHE LEU GLU GLY GLY LYS ASP SER CYS GLN GLY ASP SER          
SEQRES   5 B   98  GLY GLY PRO VAL VAL CYS ASN GLY GLN LEU GLN GLY ILE          
SEQRES   6 B   98  VAL SER TRP GLY TYR GLY CYS ALA GLN LYS ASN LYS PRO          
SEQRES   7 B   98  GLY VAL TYR THR LYS VAL CYS ASN TYR VAL ASN TRP ILE          
SEQRES   8 B   98  GLN GLN THR ILE ALA ALA ASN                                  
SEQRES   1 C    4  ACE PRO ARG ASN                                              
HET    ACE  C 401       3                                                       
HET     CA  A 301       1                                                       
HET    MPD  B 301       8                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM      CA CALCIUM ION                                                      
HETNAM     MPD (4S)-2-METHYL-2,4-PENTANEDIOL                                    
FORMUL   3  ACE    C2 H4 O                                                      
FORMUL   4   CA    CA 2+                                                        
FORMUL   5  MPD    C6 H14 O2                                                    
FORMUL   6  HOH   *252(H2 O)                                                    
HELIX    1 AA1 ALA A   46  TYR A   50  5                                   5    
HELIX    2 AA2 SER B  152  TYR B  160  1                                   9    
HELIX    3 AA3 TYR B  220  ASN B  231  1                                  12    
SHEET    1 AA1 7 TYR A  13  THR A  14  0                                        
SHEET    2 AA1 7 GLN B 144  PRO B 149 -1  O  CYS B 145   N  TYR A  13           
SHEET    3 AA1 7 GLU A 123  GLY A 128 -1  N  ILE A 126   O  LEU B 146           
SHEET    4 AA1 7 PRO B 188  CYS B 191 -1  O  VAL B 190   N  LEU A 125           
SHEET    5 AA1 7 GLN B 194  TRP B 201 -1  O  GLN B 194   N  CYS B 191           
SHEET    6 AA1 7 GLY B 212  LYS B 216 -1  O  VAL B 213   N  TRP B 201           
SHEET    7 AA1 7 MET B 168  VAL B 171 -1  N  ILE B 169   O  TYR B 214           
SHEET    1 AA2 7 GLN A  23  ASN A  27  0                                        
SHEET    2 AA2 7 HIS A  31  ASN A  39 -1  O  CYS A  33   N  LEU A  26           
SHEET    3 AA2 7 TRP A  42  SER A  45 -1  O  VAL A  44   N  SER A  36           
SHEET    4 AA2 7 MET A  94  LEU A  98 -1  O  MET A  94   N  SER A  45           
SHEET    5 AA2 7 GLN A  71  THR A  80 -1  N  ALA A  76   O  LYS A  97           
SHEET    6 AA2 7 GLN A  55  LEU A  58 -1  N  VAL A  56   O  ILE A  73           
SHEET    7 AA2 7 GLN A  23  ASN A  27 -1  N  SER A  25   O  ARG A  57           
SSBOND   1 CYS A   15    CYS B  145                          1555   1555  2.04  
SSBOND   2 CYS A   33    CYS A   49                          1555   1555  2.05  
SSBOND   3 CYS A  117    CYS B  218                          1555   1555  2.03  
SSBOND   4 CYS A  124    CYS B  191                          1555   1555  2.04  
SSBOND   5 CYS B  156    CYS B  170                          1555   1555  2.04  
SSBOND   6 CYS B  181    CYS B  205                          1555   1555  2.05  
LINK         C   ACE C 401                 N   PRO C 402     1555   1555  1.34  
LINK         OE1 GLU A  60                CA    CA A 301     1555   1555  2.32  
LINK         O   ASN A  62                CA    CA A 301     1555   1555  2.32  
LINK         O   VAL A  65                CA    CA A 301     1555   1555  2.33  
LINK         OE2 GLU A  70                CA    CA A 301     1555   1555  2.34  
LINK        CA    CA A 301                 O   HOH A 402     1555   1555  2.46  
LINK        CA    CA A 301                 O   HOH A 422     1555   1555  2.44  
SITE     1 AC1  6 GLU A  60  ASN A  62  VAL A  65  GLU A  70                    
SITE     2 AC1  6 HOH A 402  HOH A 422                                          
SITE     1 AC2  3 GLN B 163  TRP B 201  HOH B 453                               
CRYST1   82.881   82.881  135.643  90.00  90.00 120.00 P 61 2 2     12          
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      0.012065  0.006966  0.000000        0.00000                         
SCALE2      0.000000  0.013932  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007372        0.00000