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Database: PDB
Entry: 1O3P
LinkDB: 1O3P
Original site: 1O3P 
HEADER    BLOOD CLOTTING, HYDROLASE               06-MAR-03   1O3P              
TITLE     ELABORATE MANIFOLD OF SHORT HYDROGEN BOND ARRAYS MEDIATING BINDING OF 
TITLE    2 ACTIVE SITE-DIRECTED SERINE PROTEASE INHIBITORS                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: UROKINASE-TYPE PLASMINOGEN ACTIVATOR;                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: SHORT CHAIN;                                               
COMPND   5 SYNONYM: UPA, U-PLASMINOGEN ACTIVATOR, UROKINASE-PLASMINOGEN         
COMPND   6 ACTIVATOR;                                                           
COMPND   7 EC: 3.4.21.73;                                                       
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: UROKINASE-TYPE PLASMINOGEN ACTIVATOR;                      
COMPND  11 CHAIN: B;                                                            
COMPND  12 FRAGMENT: CATALYTIC DOMAIN;                                          
COMPND  13 SYNONYM: UPA, U-PLASMINOGEN ACTIVATOR, UROKINASE-PLASMINOGEN         
COMPND  14 ACTIVATOR;                                                           
COMPND  15 EC: 3.4.21.73;                                                       
COMPND  16 ENGINEERED: YES;                                                     
COMPND  17 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PLAU;                                                          
SOURCE   6 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PPIC9LMWUPA;                              
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606;                                                
SOURCE  14 GENE: PLAU;                                                          
SOURCE  15 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE  17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: PPIC9LMWUPA                               
KEYWDS    SERINE PROTEASE, SHORT HYDROGEN BOND, INHIBITION MECHANISM, SHIFT OF  
KEYWDS   2 PKA, TRYPSIN, THROMBIN, UROKINASE, FACTOR XA, BLOOD CLOTTING,        
KEYWDS   3 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.A.KATZ,K.ELROD,E.VERNER,R.L.MACKMAN,C.LUONG,W.D.SHRADER,M.SENDZIK,  
AUTHOR   2 J.R.SPENCER,P.A.SPRENGELER,A.KOLESNIKOV,V.W.TAI,H.C.HUI,             
AUTHOR   3 J.G.BREITENBUCHER,D.ALLEN,J.W.JANC                                   
REVDAT   5   27-DEC-23 1O3P    1       REMARK                                   
REVDAT   4   27-OCT-21 1O3P    1       REMARK SEQADV                            
REVDAT   3   04-OCT-17 1O3P    1       REMARK                                   
REVDAT   2   24-FEB-09 1O3P    1       VERSN                                    
REVDAT   1   02-SEP-03 1O3P    0                                                
JRNL        AUTH   B.A.KATZ,K.ELROD,E.VERNER,R.L.MACKMAN,C.LUONG,W.D.SHRADER,   
JRNL        AUTH 2 M.SENDZIK,J.R.SPENCER,P.A.SPRENGELER,A.KOLESNIKOV,V.W.TAI,   
JRNL        AUTH 3 H.C.HUI,J.G.BREITENBUCHER,D.ALLEN,J.W.JANC                   
JRNL        TITL   ELABORATE MANIFOLD OF SHORT HYDROGEN BOND ARRAYS MEDIATING   
JRNL        TITL 2 BINDING OF ACTIVE SITE-DIRECTED SERINE PROTEASE INHIBITORS.  
JRNL        REF    J.MOL.BIOL.                   V. 329    93 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12742021                                                     
JRNL        DOI    10.1016/S0022-2836(03)00399-1                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.81 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.81                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.600                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 69.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 15319                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.191                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1531                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2004                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 51                                      
REMARK   3   SOLVENT ATOMS            : 341                                     
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : 4.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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  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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  ONLY LEU_A9 TO LYS_A16 ARE INCLUDED FOR THE A-CHAIN.                
REMARK   3  RESIDUES PRIOR AND AFTER THESE RESIDUES ARE NOT VISIBLE             
REMARK   3  (DISORDERED).                                                       
REMARK   3  RESIDUES AFTER LYS_B243 ARE NOT VISIBLE (DISORDERED).               
REMARK   3                                                                      
REMARK   3  RESIDUES SIMULTANEOUSLY REFINED IN TWO OR MORE CONFORMATIONS ARE:   
REMARK   3  LYS_A10, MET_B47, GLU_B84, GLU_B86, LEU_B123, THR_B139,             
REMARK   3  GLN_B192, ARG_B217, LEU_B235.                                       
REMARK   3                                                                      
REMARK   3  HIS_H57 IS DOUBLY PROTONATED.                                       
REMARK   3  HIS_H91 AND HIS_H119 ARE MONOPROTONATED ON THE EPSILON NITROGEN     
REMARK   3                                                                      
REMARK   3  DISORDERED WATERS ARE:                                              
REMARK   3                                                                      
REMARK   3  HOH382 WHICH IS CLOSE TO CONFORMATION 1 OF ARG_B217;                
REMARK   3  HOH582 WHICH IS CLOSE TO A SYMMETRY-RELATED EQUIVALENT OF ITSELF;   
REMARK   3  HOH721 WHICH IS CLOSE TO CONFORMATION 1 OF LYS_A10;                 
REMARK   3  HOH1010 WHICH IS CLOSE TO A SYMMETRY-RELATED EQUIVALENT OF ITSELF;  
REMARK   3                                                                      
REMARK   3  SOME OF THE WATERS MAY CORRESPOND TO THE DISORDERED OR MOBILE       
REMARK   3  TERMINI                                                             
REMARK   3  OF THE LIGHT CHAIN.                                                 
REMARK   3                                                                      
REMARK   3  NO ENERGY TERMS BETWEEN CITRATE 1 AND 2 ARE INCLUDED BECAUSE THEY   
REMARK   3  ARE                                                                 
REMARK   3  HYDROGEN-BONDED TO ONE ANOTHER VIA AN UNUSUALLY SHORT HYDROGEN BOND 
REMARK   3  BETWEEN CARBOXYLATE / HYDROXYL GROUPS.                              
REMARK   3                                                                      
REMARK   3  NO ENERGY TERMS ARE INCLUDED AMONG HOH_849, AND OGSER195, AND O6'   
REMARK   3  OF THE                                                              
REMARK   3  INHIBITOR. THESE ATOMS FORM A VERY SHORT MULTI-CENTERED HYDROGEN-   
REMARK   3  BONDING NETWORK.                                                    
REMARK   4                                                                      
REMARK   4 1O3P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000001765.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-APR-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 6.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : BIOTEX 1.2                         
REMARK 200  DATA SCALING SOFTWARE          : BIOTEX                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15430                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.810                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 41.660                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.800                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 67.2                               
REMARK 200  DATA REDUNDANCY                : 2.000                              
REMARK 200  R MERGE                    (I) : 0.07900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.81                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.89                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.21500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: QUANTA                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 38.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2-PROPANOL, PEG 4000, PH 6.5, VAPOR      
REMARK 280  DIFFUSION AT 298 K, PH 6.50                                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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+1/2,Y+1/2,Z                                           
REMARK 290       4555   -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       40.77000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       25.08500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       40.77000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       25.08500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1530 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12040 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -2.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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 582  LIES ON A SPECIAL POSITION.                          
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     LYS A     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     PRO A     5                                                      
REMARK 465     PRO A     6                                                      
REMARK 465     GLU A     7                                                      
REMARK 465     GLU A     8                                                      
REMARK 465     THR A    17                                                      
REMARK 465     LEU A    18                                                      
REMARK 465     ARG A    19                                                      
REMARK 465     PRO A    20                                                      
REMARK 465     ARG A    21                                                      
REMARK 465     PHE A    22                                                      
REMARK 465     LYS A    23                                                      
REMARK 465     GLU B   244                                                      
REMARK 465     GLU B   245                                                      
REMARK 465     ASN B   246                                                      
REMARK 465     GLY B   247                                                      
REMARK 465     LEU B   248                                                      
REMARK 465     ALA B   249                                                      
REMARK 465     LEU B   250                                                      
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   H2   HOH B   423     H1   HOH B   564              1.27            
REMARK 500   HG   SER B   195     O6'  655 B   251              1.27            
REMARK 500   HZ1  LYS B    92     HE1  TRP B   237              1.35            
REMARK 500   O    HOH B   521     H1   HOH B   522              1.42            
REMARK 500   OG   SER B   195     H1   HOH B   521              1.49            
REMARK 500   O    TYR B    64     H1   HOH B   476              1.55            
REMARK 500   O6'  655 B   251     H2   HOH B   521              1.56            
REMARK 500   O    HOH B   414     H1   HOH B   536              1.56            
REMARK 500   O    GLY B    79     H1   HOH B   435              1.56            
REMARK 500   O    HOH B   261     H1   HOH B   287              1.57            
REMARK 500   O    HOH B   439     H2   HOH B   531              1.57            
REMARK 500   O    SER B    75     H1   HOH B   483              1.57            
REMARK 500   H2   HOH B   457     O    HOH B   482              1.58            
REMARK 500   H2   HOH B   345     O    HOH B   563              1.58            
REMARK 500   OH   TYR B    64     H1   HOH B   309              1.59            
REMARK 500   H2   HOH B   398     O    HOH B   550              1.60            
REMARK 500   O7   CIT B     1     O7   CIT B     2              2.19            
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   H2   HOH B   576     H2   HOH B   576     2555     0.99            
REMARK 500   O    HOH B   380     H2   HOH B   450     2555     1.60            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS B  37   NE2   HIS B  37   CD2    -0.078                       
REMARK 500    HIS B  57   NE2   HIS B  57   CD2    -0.070                       
REMARK 500    HIS B  91   NE2   HIS B  91   CD2    -0.070                       
REMARK 500    HIS B  99   NE2   HIS B  99   CD2    -0.070                       
REMARK 500    HIS B 165   NE2   HIS B 165   CD2    -0.068                       
REMARK 500    HIS B 170B  NE2   HIS B 170B  CD2    -0.067                       
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    ARG B  37A  N   -  CA  -  C   ANGL. DEV. = -16.8 DEGREES          
REMARK 500    VAL B  38   N   -  CA  -  C   ANGL. DEV. = -17.4 DEGREES          
REMARK 500    ARG B 109   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASP B 189   CB  -  CG  -  OD1 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    LEU B 199   N   -  CA  -  C   ANGL. DEV. = -18.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLN B  27       53.95   -146.71                                   
REMARK 500    SER B  54     -151.63   -146.49                                   
REMARK 500    TYR B  60B      67.96   -166.96                                   
REMARK 500    PRO B  60C      45.15    -78.40                                   
REMARK 500    ASP B  93       31.04    103.08                                   
REMARK 500    LEU B  97B     -61.79    133.15                                   
REMARK 500    CYS B 111     -166.87   -105.98                                   
REMARK 500    MET B 126      127.44    -31.15                                   
REMARK 500    TYR B 127       35.40     35.41                                   
REMARK 500    LYS B 143      147.85    -39.78                                   
REMARK 500    TYR B 171      -99.07   -126.56                                   
REMARK 500    TRP B 186       46.87     36.27                                   
REMARK 500    ASP B 189     -176.65   -175.27                                   
REMARK 500    SER B 240      -38.96    -37.40                                   
REMARK 500    THR B 242       79.33   -115.33                                   
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    ARG B  70         0.24    SIDE CHAIN                              
REMARK 500    ARG B 110D        0.11    SIDE CHAIN                              
REMARK 500    ARG B 206         0.20    SIDE CHAIN                              
REMARK 500    ARG B 217         0.13    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT B 1                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT B 2                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 655 B 251                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1C5X   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH A DIFFERENT INHIBITOR                
DBREF  1O3P A    1    23  UNP    P00749   UROK_HUMAN     156    178             
DBREF  1O3P B   16   250  UNP    P00749   UROK_HUMAN     179    431             
SEQADV 1O3P ALA B  145  UNP  P00749    ASN   322 ENGINEERED MUTATION            
SEQRES   1 A   23  LYS PRO SER SER PRO PRO GLU GLU LEU LYS PHE GLN CYS          
SEQRES   2 A   23  GLY GLN LYS THR LEU ARG PRO ARG PHE LYS                      
SEQRES   1 B  253  ILE ILE GLY GLY GLU PHE THR THR ILE GLU ASN GLN PRO          
SEQRES   2 B  253  TRP PHE ALA ALA ILE TYR ARG ARG HIS ARG GLY GLY SER          
SEQRES   3 B  253  VAL THR TYR VAL CYS GLY GLY SER LEU MET SER PRO CYS          
SEQRES   4 B  253  TRP VAL ILE SER ALA THR HIS CYS PHE ILE ASP TYR PRO          
SEQRES   5 B  253  LYS LYS GLU ASP TYR ILE VAL TYR LEU GLY ARG SER ARG          
SEQRES   6 B  253  LEU ASN SER ASN THR GLN GLY GLU MET LYS PHE GLU VAL          
SEQRES   7 B  253  GLU ASN LEU ILE LEU HIS LYS ASP TYR SER ALA ASP THR          
SEQRES   8 B  253  LEU ALA HIS HIS ASN ASP ILE ALA LEU LEU LYS ILE ARG          
SEQRES   9 B  253  SER LYS GLU GLY ARG CYS ALA GLN PRO SER ARG THR ILE          
SEQRES  10 B  253  GLN THR ILE CYS LEU PRO SER MET TYR ASN ASP PRO GLN          
SEQRES  11 B  253  PHE GLY THR SER CYS GLU ILE THR GLY PHE GLY LYS GLU          
SEQRES  12 B  253  ALA SER THR ASP TYR LEU TYR PRO GLU GLN LEU LYS MET          
SEQRES  13 B  253  THR VAL VAL LYS LEU ILE SER HIS ARG GLU CYS GLN GLN          
SEQRES  14 B  253  PRO HIS TYR TYR GLY SER GLU VAL THR THR LYS MET LEU          
SEQRES  15 B  253  CYS ALA ALA ASP PRO GLN TRP LYS THR ASP SER CYS GLN          
SEQRES  16 B  253  GLY ASP SER GLY GLY PRO LEU VAL CYS SER LEU GLN GLY          
SEQRES  17 B  253  ARG MET THR LEU THR GLY ILE VAL SER TRP GLY ARG GLY          
SEQRES  18 B  253  CYS ALA LEU LYS ASP LYS PRO GLY VAL TYR THR ARG VAL          
SEQRES  19 B  253  SER HIS PHE LEU PRO TRP ILE ARG SER HIS THR LYS GLU          
SEQRES  20 B  253  GLU ASN GLY LEU ALA LEU                                      
HET    CIT  B   1      18                                                       
HET    CIT  B   2      18                                                       
HET    655  B 251      45                                                       
HETNAM     CIT CITRIC ACID                                                      
HETNAM     655 2-{5-[AMINO(IMINIO)METHYL]-1H-BENZIMIDAZOL-2-YL}-6-              
HETNAM   2 655  (CYCLOPENTYLOXY)BENZENOLATE                                     
HETSYN     655 CRA_10655                                                        
FORMUL   3  CIT    2(C6 H8 O7)                                                  
FORMUL   5  655    C19 H20 N4 O2                                                
FORMUL   6  HOH   *341(H2 O)                                                    
HELIX    1   1 THR B   23  GLN B   27  5                                   5    
HELIX    2   2 ALA B   55  PHE B   59  5                                   5    
HELIX    3   3 LYS B   61  GLU B   62A 5                                   3    
HELIX    4   4 SER B  164  GLN B  169  1                                   6    
HELIX    5   5 TYR B  172  VAL B  176  5                                   5    
HELIX    6   6 PHE B  234  THR B  242  1                                   9    
SHEET    1   A 8 GLU B  20  PHE B  21  0                                        
SHEET    2   A 8 LYS B 156  LEU B 162 -1  O  MET B 157   N  GLU B  20           
SHEET    3   A 8 MET B 180  ALA B 184 -1  O  ALA B 184   N  LYS B 161           
SHEET    4   A 8 GLY B 226  ARG B 230 -1  N  GLY B 226   O  ALA B 183           
SHEET    5   A 8 ARG B 206  TRP B 215 -1  O  ILE B 212   N  THR B 229           
SHEET    6   A 8 PRO B 198  LEU B 203 -1  O  LEU B 199   N  THR B 210           
SHEET    7   A 8 SER B 135  GLY B 140 -1  O  GLU B 137   N  VAL B 200           
SHEET    8   A 8 LYS B 156  LEU B 162 -1  N  LYS B 156   O  GLY B 140           
SHEET    1   B 7 PHE B  30  ARG B  36  0                                        
SHEET    2   B 7 VAL B  38  SER B  48 -1  N  THR B  39   O  ARG B  35           
SHEET    3   B 7 TRP B  51  SER B  54 -1  O  TRP B  51   N  MET B  47           
SHEET    4   B 7 ALA B 104  ARG B 109 -1  O  ALA B 104   N  SER B  54           
SHEET    5   B 7 MET B  81  ILE B  89 -1  N  GLU B  84   O  ARG B 109           
SHEET    6   B 7 TYR B  64  LEU B  68 -1  O  TYR B  64   N  VAL B  85           
SHEET    7   B 7 PHE B  30  ARG B  36 -1  O  ALA B  32   N  TYR B  67           
SHEET    1   C 2 SER B  95  ALA B  96  0                                        
SHEET    2   C 2 HIS B  99  HIS B 100 -1  N  HIS B 100   O  SER B  95           
SSBOND   1 CYS A   13    CYS B  122                          1555   1555  2.03  
SSBOND   2 CYS B   42    CYS B   58                          1555   1555  2.03  
SSBOND   3 CYS B   50    CYS B  111                          1555   1555  2.03  
SSBOND   4 CYS B  136    CYS B  201                          1555   1555  2.01  
SSBOND   5 CYS B  168    CYS B  182                          1555   1555  2.01  
SSBOND   6 CYS B  191    CYS B  220                          1555   1555  2.02  
SITE     1 AC1  9 CIT B   2  TYR B  67  ASN B  76  GLU B  80                    
SITE     2 AC1  9 LYS B  82  SER B 164  HIS B 165  ARG B 166                    
SITE     3 AC1  9 HOH B 498                                                     
SITE     1 AC2  8 CIT B   1  ARG B  36  LYS B  82  LYS B 110A                   
SITE     2 AC2  8 HIS B 165  ARG B 230  HOH B 276  HOH B 382                    
SITE     1 AC3 14 HIS B  57  CYS B  58  GLN B 185B SER B 190                    
SITE     2 AC3 14 CYS B 191  GLN B 192  SER B 195  VAL B 213                    
SITE     3 AC3 14 TRP B 215  GLY B 219  HOH B 419  HOH B 464                    
SITE     4 AC3 14 HOH B 521  HOH B 534                                          
CRYST1   81.540   50.170   66.440  90.00 113.49  90.00 C 1 2 1       4          
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      0.012264  0.000000  0.005330        0.00000                         
SCALE2      0.000000  0.019932  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016411        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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