PDB Short entry for 1EAX
HEADER    HYDROLASE                               17-JUL-01   1EAX              
TITLE     CRYSTAL STRUCTURE OF MTSP1 (MATRIPTASE)                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SUPPRESSOR OF TUMORIGENICITY 14;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC RESIDUES 615-855;                                
COMPND   5 SYNONYM: MATRIPTASE, MEMBRANE-TYPE SERINE PROTEASE 1, MT-SP1;        
COMPND   6 EC: 3.4.21.-;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE;                         
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 4932                                        
KEYWDS    HYDROLASE, SERINE PROTEINASE, MATRIX DEGRADATION                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.FRIEDRICH,W.BODE                                                    
REVDAT   5   13-DEC-23 1EAX    1       REMARK                                   
REVDAT   4   15-APR-15 1EAX    1       JRNL   REMARK VERSN  FORMUL              
REVDAT   4 2                   1       SHEET                                    
REVDAT   3   24-FEB-09 1EAX    1       VERSN                                    
REVDAT   2   05-APR-05 1EAX    1       JRNL                                     
REVDAT   1   28-JAN-02 1EAX    0                                                
JRNL        AUTH   R.FRIEDRICH,P.FUENTES-PRIOR,E.ONG,G.COOMBS,M.HUNTER,         
JRNL        AUTH 2 R.OEHLER,D.PIERSON,R.GONZALEZ,R.HUBER,W.BODE,E.L.MADISON     
JRNL        TITL   CATALYTIC DOMAIN STRUCTURES OF MT-SP1/MATRIPTASE, A          
JRNL        TITL 2 MATRIX-DEGRADING TRANSMEMBRANE SERINE PROTEINASE.            
JRNL        REF    J.BIOL.CHEM.                  V. 277  2160 2002              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11696548                                                     
JRNL        DOI    10.1074/JBC.M109830200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 17.75                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1648979.680                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 58805                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : SHELLS                          
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.193                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2978                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
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) : 1.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.38                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 8728                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2370                       
REMARK   3   BIN FREE R VALUE                    : 0.2500                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 462                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.012                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1864                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 14                                      
REMARK   3   SOLVENT ATOMS            : 381                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.33000                                             
REMARK   3    B22 (A**2) : -1.16000                                             
REMARK   3    B33 (A**2) : 1.49000                                              
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.14                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.11                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 20.0                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.15                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.12                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.040                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 65.00                                                
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  : SO4.PAR                                        
REMARK   3  PARAMETER FILE  3  : BEN.PAR                                        
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : SO4.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : BEN.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 1EAX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUL-01.                  
REMARK 100 THE DEPOSITION ID IS D_1290008340.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-AUG-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.00                               
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          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58805                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 18.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.2                               
REMARK 200  DATA REDUNDANCY                : 3.300                              
REMARK 200  R MERGE                    (I) : 0.08600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.36                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
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: PDB ENTRY 1EKB                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.00                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z                                         
REMARK 290       7555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       33.45900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       70.80200            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       33.45900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       70.80200            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       33.45900            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       70.80200            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       33.45900            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       70.80200            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
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 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 A2005  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2017  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2156  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2178  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2198  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2261  LIES ON A SPECIAL POSITION.                          
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     GLU A   24   CD   OE1  OE2                                       
REMARK 480     LEU A   36   CD2                                                 
REMARK 480     ARG A   60C  NH1                                                 
REMARK 480     ARG A   60F  NH2                                                 
REMARK 480     GLN A  145   NE2                                                 
REMARK 480     GLN A  174   NE2                                                 
REMARK 480     ARG A  222   NE   CZ   NH1  NH2                                  
REMARK 480     GLU A  240   OE1  OE2                                            
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   CB   CYS A    42     O    HOH A  2065              1.85            
REMARK 500   O    ALA A   210     O    HOH A  2340              2.13            
REMARK 500   O    HOH A  2219     O    HOH A  2339              2.18            
REMARK 500   O    HOH A  2223     O    HOH A  2225              2.18            
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  2164     O    HOH A  2164     6555     1.16            
REMARK 500   O    HOH A  2331     O    HOH A  2331     6555     1.60            
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    CYS A  42   CA  -  CB  -  SG  ANGL. DEV. =   9.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    HIS A  71      -52.77   -121.14                                   
REMARK 500    SER A 214      -65.46   -122.26                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A  59         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2036        DISTANCE =  5.88 ANGSTROMS                       
REMARK 525    HOH A2107        DISTANCE =  5.83 ANGSTROMS                       
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: DSSP                                           
REMARK 700 THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS          
REMARK 700 BELOW IS ACTUALLY AN  7-STRANDED BARREL THIS IS REPRESENTED BY       
REMARK 700 A  8-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS              
REMARK 700 ARE IDENTICAL.                                                       
REMARK 700 THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS          
REMARK 700 BELOW IS ACTUALLY AN  6-STRANDED BARREL THIS IS REPRESENTED BY       
REMARK 700 A  7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS              
REMARK 700 ARE IDENTICAL.                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 717                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 818                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EAW   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MTSP1 (MATRIPTASE)-BPTI (APROTININ) COMPLEX 
DBREF  1EAX A   16   244  UNP    Q9Y5Y6   ST14_HUMAN     615    855             
SEQRES   1 A  241  VAL VAL GLY GLY THR ASP ALA ASP GLU GLY GLU TRP PRO          
SEQRES   2 A  241  TRP GLN VAL SER LEU HIS ALA LEU GLY GLN GLY HIS ILE          
SEQRES   3 A  241  CYS GLY ALA SER LEU ILE SER PRO ASN TRP LEU VAL SER          
SEQRES   4 A  241  ALA ALA HIS CYS TYR ILE ASP ASP ARG GLY PHE ARG TYR          
SEQRES   5 A  241  SER ASP PRO THR GLN TRP THR ALA PHE LEU GLY LEU HIS          
SEQRES   6 A  241  ASP GLN SER GLN ARG SER ALA PRO GLY VAL GLN GLU ARG          
SEQRES   7 A  241  ARG LEU LYS ARG ILE ILE SER HIS PRO PHE PHE ASN ASP          
SEQRES   8 A  241  PHE THR PHE ASP TYR ASP ILE ALA LEU LEU GLU LEU GLU          
SEQRES   9 A  241  LYS PRO ALA GLU TYR SER SER MET VAL ARG PRO ILE CYS          
SEQRES  10 A  241  LEU PRO ASP ALA SER HIS VAL PHE PRO ALA GLY LYS ALA          
SEQRES  11 A  241  ILE TRP VAL THR GLY TRP GLY HIS THR GLN TYR GLY GLY          
SEQRES  12 A  241  THR GLY ALA LEU ILE LEU GLN LYS GLY GLU ILE ARG VAL          
SEQRES  13 A  241  ILE ASN GLN THR THR CYS GLU ASN LEU LEU PRO GLN GLN          
SEQRES  14 A  241  ILE THR PRO ARG MET MET CYS VAL GLY PHE LEU SER GLY          
SEQRES  15 A  241  GLY VAL ASP SER CYS GLN GLY ASP SER GLY GLY PRO LEU          
SEQRES  16 A  241  SER SER VAL GLU ALA ASP GLY ARG ILE PHE GLN ALA GLY          
SEQRES  17 A  241  VAL VAL SER TRP GLY ASP GLY CYS ALA GLN ARG ASN LYS          
SEQRES  18 A  241  PRO GLY VAL TYR THR ARG LEU PRO LEU PHE ARG ASP TRP          
SEQRES  19 A  241  ILE LYS GLU ASN THR GLY VAL                                  
HET    SO4  A 717       5                                                       
HET    BEN  A 818       9                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     BEN BENZAMIDINE                                                      
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  BEN    C7 H8 N2                                                     
FORMUL   4  HOH   *381(H2 O)                                                    
HELIX    1   1 ALA A   55  ILE A   60  5                                   6    
HELIX    2   2 ASP A   60I THR A   62  5                                   3    
HELIX    3   3 ASN A  164  LEU A  172  1                                   9    
HELIX    4   4 PHE A  234  GLY A  243  1                                  10    
SHEET    1  AA 8 THR A  20  ASP A  21  0                                        
SHEET    2  AA 8 GLN A 156  VAL A 162 -1  O  LYS A 157   N  THR A  20           
SHEET    3  AA 8 MET A 180  GLY A 184 -1  O  GLY A 184   N  ARG A 161           
SHEET    4  AA 8 GLY A 226  ARG A 230 -1  O  GLY A 226   N  VAL A 183           
SHEET    5  AA 8 ILE A 207  TRP A 215 -1  O  VAL A 212   N  THR A 229           
SHEET    6  AA 8 PRO A 198  VAL A 202 -1  O  LEU A 199   N  ALA A 210           
SHEET    7  AA 8 ALA A 135  GLY A 140 -1  O  TRP A 137   N  SER A 200           
SHEET    8  AA 8 THR A  20  ASP A  21  0                                        
SHEET    1  AB 7 GLN A  30  ALA A  35  0                                        
SHEET    2  AB 7 GLY A  39  LEU A  46 -1  O  GLY A  39   N  ALA A  35           
SHEET    3  AB 7 TRP A  51  SER A  54 -1  O  VAL A  53   N  SER A  45           
SHEET    4  AB 7 ALA A 104  LEU A 108 -1  O  ALA A 104   N  SER A  54           
SHEET    5  AB 7 GLN A  81  SER A  90 -1  N  LYS A  86   O  GLU A 107           
SHEET    6  AB 7 TRP A  64  LEU A  68 -1  O  TRP A  64   N  LEU A  85           
SHEET    7  AB 7 GLN A  30  ALA A  35 -1  O  SER A  32   N  PHE A  67           
SSBOND   1 CYS A   42    CYS A   58                          1555   1555  2.05  
SSBOND   2 CYS A  168    CYS A  182                          1555   1555  2.02  
SSBOND   3 CYS A  191    CYS A  220                          1555   1555  2.06  
SITE     1 AC1 11 HIS A  57  GLN A 192  GLY A 193  SER A 195                    
SITE     2 AC1 11 BEN A 818  HOH A2062  HOH A2341  HOH A2377                    
SITE     3 AC1 11 HOH A2378  HOH A2379  HOH A2380                               
SITE     1 AC2 11 ASP A 189  SER A 190  CYS A 191  GLN A 192                    
SITE     2 AC2 11 SER A 195  GLY A 216  GLY A 219  GLY A 226                    
SITE     3 AC2 11 SO4 A 717  HOH A2360  HOH A2381                               
CRYST1   66.918  141.604   51.936  90.00  90.00  90.00 C 2 2 2       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.014944  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007062  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019254        0.00000