PDB Short entry for 1H4W
HEADER    HYDROLASE                               15-MAY-01   1H4W              
TITLE     STRUCTURE OF HUMAN TRYPSIN IV (BRAIN TRYPSIN)                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPSIN IVA;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.4.21.4;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: BENZAMIDINE                                           
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 VARIANT: A FORM;                                                     
SOURCE   6 ORGAN: BRAIN;                                                        
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET17B                                    
KEYWDS    SERINE PROTEASE, SIGNAL TRANSDUCTION, INHIBITOR RESISTANCE, ALZHEIMER 
KEYWDS   2 DISEASE, HYDROLASE                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.KATONA,G.I.BERGLUND,J.HAJDU,L.GRAF,L.SZILAGYI                       
REVDAT   4   13-DEC-23 1H4W    1       REMARK LINK                              
REVDAT   3   27-FEB-19 1H4W    1       JRNL   REMARK                            
REVDAT   2   24-FEB-09 1H4W    1       VERSN                                    
REVDAT   1   11-FEB-02 1H4W    0                                                
JRNL        AUTH   G.KATONA,G.I.BERGLUND,J.HAJDU,L.GRAF,L.SZILAGYI              
JRNL        TITL   CRYSTAL STRUCTURE REVEALS BASIS FOR THE INHIBITOR RESISTANCE 
JRNL        TITL 2 OF HUMAN BRAIN TRYPSIN.                                      
JRNL        REF    J. MOL. BIOL.                 V. 315  1209 2002              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11827488                                                     
JRNL        DOI    10.1006/JMBI.2001.5305                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 52.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 26174                          
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) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.203                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1313                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.76                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2411                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2300                       
REMARK   3   BIN FREE R VALUE                    : 0.2340                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 126                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1704                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 125                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 15.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.27600                                             
REMARK   3    B22 (A**2) : -1.27600                                             
REMARK   3    B33 (A**2) : 2.55200                                              
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) : 0.18                            
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) : 0.21                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.15                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.004                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.710                           
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) : 1.150 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.750 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.890 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.770 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.36                                                 
REMARK   3   BSOL        : 58.88                                                
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  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : BEN.PAR                                        
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : BEN.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1H4W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-MAY-01.                  
REMARK 100 THE DEPOSITION ID IS D_1290008047.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-JUN-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 298.0                              
REMARK 200  PH                             : 7.70                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM14                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.886                              
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL CUT                 
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
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   : 26174                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 52.700                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : 0.04900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 92.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
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: PDB ENTRY 1TRN                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP VAPOUR DIFFUSION 3.3        
REMARK 280  MG/ML PROTEIN, 2% PEG 4000, 0.05M TRIS PH7.7, 2.5MM CACL2, 2.5      
REMARK 280  MG/ML BENZAMIDINE/HCL, 25 C, PH 7.70, VAPOR DIFFUSION, HANGING      
REMARK 280  DROP, TEMPERATURE 298K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
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       71.60500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       28.34150            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       28.34150            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       35.80250            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       28.34150            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       28.34150            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      107.40750            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       28.34150            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       28.34150            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       35.80250            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       28.34150            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       28.34150            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      107.40750            
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       71.60500            
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 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   CG   CD   OE1  OE2                                  
REMARK 480     ARG A   62   CD   NE   CZ   NH1  NH2                             
REMARK 480     LYS A   74   CD   CE   NZ                                        
REMARK 480     ARG A   96   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     GLU A  135   CG   CD   OE1  OE2                                  
REMARK 480     GLN A  165   CG   CD   OE1  NE2                                  
REMARK 480     LYS A  169   CE   NZ                                             
REMARK 480     LYS A  175   CD   CE   NZ                                        
REMARK 480     ASN A  178   CG   OD1  ND2                                       
REMARK 480     LYS A  222   CE   NZ                                             
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      -65.46   -134.35                                   
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 260  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 ASN A  72   O    87.8                                              
REMARK 620 3 VAL A  75   O   164.1  84.0                                        
REMARK 620 4 GLU A  77   OE1  94.6  85.9  98.4                                  
REMARK 620 5 GLU A  80   OE2 102.6 167.7  87.3  86.8                            
REMARK 620 6 HOH A2035   O    82.0 100.9  86.1 172.3  87.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: DSSP                                           
REMARK 700 THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET                  
REMARK 700 RECORDS BELOW IS ACTUALLY AN  6-STRANDED BARREL THIS IS              
REMARK 700 REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND             
REMARK 700 LAST STRANDS 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 CA A 260                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 250                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 VAL A 86, CLONING ARTIFACT OR NATURAL POLYMORPHISM                   
DBREF  1H4W A   16   246  UNP    P35030   TRY4_HUMAN      81    304             
SEQADV 1H4W VAL A   86  UNP  P35030    ALA   148 CLONING ARTIFACT               
SEQRES   1 A  224  ILE VAL GLY GLY TYR THR CYS GLU GLU ASN SER LEU PRO          
SEQRES   2 A  224  TYR GLN VAL SER LEU ASN SER GLY SER HIS PHE CYS GLY          
SEQRES   3 A  224  GLY SER LEU ILE SER GLU GLN TRP VAL VAL SER ALA ALA          
SEQRES   4 A  224  HIS CYS TYR LYS THR ARG ILE GLN VAL ARG LEU GLY GLU          
SEQRES   5 A  224  HIS ASN ILE LYS VAL LEU GLU GLY ASN GLU GLN PHE ILE          
SEQRES   6 A  224  ASN ALA VAL LYS ILE ILE ARG HIS PRO LYS TYR ASN ARG          
SEQRES   7 A  224  ASP THR LEU ASP ASN ASP ILE MET LEU ILE LYS LEU SER          
SEQRES   8 A  224  SER PRO ALA VAL ILE ASN ALA ARG VAL SER THR ILE SER          
SEQRES   9 A  224  LEU PRO THR ALA PRO PRO ALA ALA GLY THR GLU CYS LEU          
SEQRES  10 A  224  ILE SER GLY TRP GLY ASN THR LEU SER PHE GLY ALA ASP          
SEQRES  11 A  224  TYR PRO ASP GLU LEU LYS CYS LEU ASP ALA PRO VAL LEU          
SEQRES  12 A  224  THR GLN ALA GLU CYS LYS ALA SER TYR PRO GLY LYS ILE          
SEQRES  13 A  224  THR ASN SER MET PHE CYS VAL GLY PHE LEU GLU GLY GLY          
SEQRES  14 A  224  LYS ASP SER CYS GLN ARG ASP SER GLY GLY PRO VAL VAL          
SEQRES  15 A  224  CYS ASN GLY GLN LEU GLN GLY VAL VAL SER TRP GLY HIS          
SEQRES  16 A  224  GLY CYS ALA TRP LYS ASN ARG PRO GLY VAL TYR THR LYS          
SEQRES  17 A  224  VAL TYR ASN TYR VAL ASP TRP ILE LYS ASP THR ILE ALA          
SEQRES  18 A  224  ALA ASN SER                                                  
HET    BEN  A 250       9                                                       
HET     CA  A 260       1                                                       
HETNAM     BEN BENZAMIDINE                                                      
HETNAM      CA CALCIUM ION                                                      
FORMUL   2  BEN    C7 H8 N2                                                     
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  HOH   *125(H2 O)                                                    
HELIX    1   1 ALA A   55  TYR A   59  5                                   5    
HELIX    2   2 THR A  164  TYR A  172  1                                   9    
HELIX    3   3 TYR A  234  ASN A  245  1                                  12    
SHEET    1  AA 7 TYR A  20  THR A  21  0                                        
SHEET    2  AA 7 LYS A 156  PRO A 161 -1  O  CYS A 157   N  TYR A  20           
SHEET    3  AA 7 GLU A 135  GLY A 140 -1  O  CYS A 136   N  ALA A 160           
SHEET    4  AA 7 PRO A 198  CYS A 201 -1  O  PRO A 198   N  SER A 139           
SHEET    5  AA 7 GLN A 204  TRP A 215 -1  O  GLN A 204   N  CYS A 201           
SHEET    6  AA 7 GLY A 226  LYS A 230 -1  O  VAL A 227   N  TRP A 215           
SHEET    7  AA 7 MET A 180  VAL A 183 -1  O  PHE A 181   N  TYR A 228           
SHEET    1  AB 7 GLN A  30  ASN A  34  0                                        
SHEET    2  AB 7 HIS A  40  SER A  48 -1  N  PHE A  41   O  LEU A  33           
SHEET    3  AB 7 TRP A  51  SER A  54 -1  O  TRP A  51   N  ILE A  47           
SHEET    4  AB 7 MET A 104  LEU A 108 -1  O  MET A 104   N  SER A  54           
SHEET    5  AB 7 GLN A  81  ARG A  90 -1  N  VAL A  86   O  LYS A 107           
SHEET    6  AB 7 GLN A  64  LEU A  67 -1  O  VAL A  65   N  ILE A  83           
SHEET    7  AB 7 GLN A  30  ASN A  34 -1  O  SER A  32   N  ARG A  66           
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.03  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.03  
SSBOND   3 CYS A  136    CYS A  201                          1555   1555  2.03  
SSBOND   4 CYS A  168    CYS A  182                          1555   1555  2.03  
SSBOND   5 CYS A  191    CYS A  220                          1555   1555  2.03  
LINK         OE1 GLU A  70                CA    CA A 260     1555   1555  2.30  
LINK         O   ASN A  72                CA    CA A 260     1555   1555  2.34  
LINK         O   VAL A  75                CA    CA A 260     1555   1555  2.29  
LINK         OE1 GLU A  77                CA    CA A 260     1555   1555  2.51  
LINK         OE2 GLU A  80                CA    CA A 260     1555   1555  2.27  
LINK        CA    CA A 260                 O   HOH A2035     1555   1555  2.35  
SITE     1 AC1  6 GLU A  70  ASN A  72  VAL A  75  GLU A  77                    
SITE     2 AC1  6 GLU A  80  HOH A2035                                          
SITE     1 AC2  8 ASP A 189  SER A 190  CYS A 191  GLN A 192                    
SITE     2 AC2  8 SER A 195  GLY A 216  GLY A 219  GLY A 226                    
CRYST1   56.683   56.683  143.210  90.00  90.00  90.00 P 41 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      0.017642  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017642  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006983        0.00000