HEADER    IMMUNE SYSTEM                           18-DEC-01   1KN4              
TITLE     CATALYTIC ANTIBODY D2.3 COMPLEX                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IG ANTIBODY D2.3 (LIGHT CHAIN);                            
COMPND   3 CHAIN: L;                                                            
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: IG ANTIBODY D2.3 (HEAVY CHAIN);                            
COMPND   6 CHAIN: H                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   7 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   8 ORGANISM_TAXID: 10090                                                
KEYWDS    ABZYME, TRANSITION STATE ANALOG, IMMUNE SYSTEM                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.GIGANT,M.KNOSSOW                                                    
REVDAT   5   30-OCT-24 1KN4    1       REMARK                                   
REVDAT   4   16-AUG-23 1KN4    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1KN4    1       VERSN                                    
REVDAT   2   01-APR-03 1KN4    1       JRNL                                     
REVDAT   1   13-MAR-02 1KN4    0                                                
JRNL        AUTH   L.J.D'SOUZA,B.GIGANT,M.KNOSSOW,B.S.GREEN                     
JRNL        TITL   REMARKABLE REMOTE CHIRAL RECOGNITION IN A REACTION MEDIATED  
JRNL        TITL 2 BY A CATALYTIC ANTIBODY.                                     
JRNL        REF    J.AM.CHEM.SOC.                V. 124  2114 2002              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   11878955                                                     
JRNL        DOI    10.1021/JA0170504                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1811954.890                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 42809                          
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) : 0.213                           
REMARK   3   FREE R VALUE                     : 0.246                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2180                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.99                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5196                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2750                       
REMARK   3   BIN FREE R VALUE                    : 0.2790                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 283                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3389                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 31                                      
REMARK   3   SOLVENT ATOMS            : 151                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.94000                                              
REMARK   3    B22 (A**2) : 0.94000                                              
REMARK   3    B33 (A**2) : -1.89000                                             
REMARK   3    B12 (A**2) : 1.01000                                              
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) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.22                            
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) : 0.27                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.20                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 28.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.690                           
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) : 1.870 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.020 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.990 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.330 ; 2.500                
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: NULL                                      
REMARK   4                                                                      
REMARK   4 1KN4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-DEC-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000015131.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-DEC-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 278.0                              
REMARK 200  PH                             : 7.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : LURE                               
REMARK 200  BEAMLINE                       : DW32                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.963                              
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : BENT MIRROR                        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 43212                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.5                               
REMARK 200  DATA REDUNDANCY                : 2.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.93                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.04390                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
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: 1YEC                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG600, ZNSO4, CACODYLATE, PH 7.00,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       52.93500            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      105.87000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      105.87000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       52.93500            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
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: 5450 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19320 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -144.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H                                  
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11190 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 38530 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -348.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H                                  
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 350   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      158.80500            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4420 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 45300 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -384.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L                                     
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 350   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      158.80500            
REMARK 350 APPLY THE FOLLOWING TO CHAINS: H                                     
REMARK 350   BIOMT1   3 -0.500000 -0.866025  0.000000       39.12550            
REMARK 350   BIOMT2   3  0.866025 -0.500000  0.000000       67.76735            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000       52.93500            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000       39.12550            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000       67.76735            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000      105.87000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 4                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1910 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 22860 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -162.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L                                     
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 350 APPLY THE FOLLOWING TO CHAINS: H                                     
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000       39.12550            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       67.76735            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      105.87000            
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    LEU L 160   CA  -  CB  -  CG  ANGL. DEV. =  13.8 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    VAL L  51      -44.13     71.47                                   
REMARK 500    THR L 200        0.23    -69.82                                   
REMARK 500    ASN L 212     -131.88   -140.57                                   
REMARK 500    SER H  41       64.35     31.36                                   
REMARK 500    ILE H  48      -63.60    -94.06                                   
REMARK 500    THR H  82B      71.67     42.05                                   
REMARK 500    VAL H 127      -39.76   -159.57                                   
REMARK 500    THR H 132     -146.62     67.79                                   
REMARK 500    SER H 134      -75.06     84.22                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 PDE IS PARA-NITROPHENYL PHOSPHONOBUTANOYL D-ALANINE                  
REMARK 600 (NO2-C6H5-O-PO2-CH2-CH2-CH2-CO-NH-CH(CH3)-COOH)                      
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                              ZN L 553  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS L  49   NE2                                                    
REMARK 620 2 ASP H 100C  OD1 106.0                                              
REMARK 620 3 HOH H 251   O    96.6  97.5                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 556  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP L  60   OD2                                                    
REMARK 620 2 HOH L 560   O   130.6                                              
REMARK 620 3 HOH L 606   O   125.3  85.0                                        
REMARK 620 4 HOH L 624   O    84.3 126.2 108.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 554  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS L  93   ND1                                                    
REMARK 620 2 HOH L 561   O   117.7                                              
REMARK 620 3 HOH L 573   O    93.3 105.2                                        
REMARK 620 4 ASP H 181   OD1 110.0 114.9 113.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 555  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP L 151   OD1                                                    
REMARK 620 2 HIS L 189   ND1 110.8                                              
REMARK 620 3 HOH L 604   O    82.0 105.0                                        
REMARK 620 4 HOH L 605   O   116.6 120.9 114.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 557  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH L 605   O                                                      
REMARK 620 2 HOH L 606   O   110.9                                              
REMARK 620 3 HOH L 644   O   100.3  80.4                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 558  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH L 604   O                                                      
REMARK 620 2 HOH L 615   O    82.0                                              
REMARK 620 3 HOH L 624   O   123.5  85.3                                        
REMARK 620 4 HOH L 638   O    67.2 148.7 106.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 559  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH L 573   O                                                      
REMARK 620 2 HOH L 625   O   100.6                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 553                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 554                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 555                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 556                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 557                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 558                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 559                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PDE L 551                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1YEC   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A CATALYTIC ANTIBODY IGG2A FAB FRAGMENT (D2.3)          
REMARK 900 RELATED ID: 1YEF   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF IGG2A FAB FRAGMENT (D2.3) COMPLEXED WITH SUBSTRATE      
REMARK 900 ANALOGUE                                                             
REMARK 900 RELATED ID: 1YEG   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF IGG2A FAB FRAGMENT (D2.3) COMPLEXED WITH REACTION       
REMARK 900 PRODUCT                                                              
REMARK 900 RELATED ID: 1YEH   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF IGG2A FAB FRAGMENT                                      
REMARK 900 RELATED ID: 1YEI   RELATED DB: PDB                                   
REMARK 900 CATALYTIC ANTIBODY D2.3 COMPLEX                                      
REMARK 900 RELATED ID: 1YEJ   RELATED DB: PDB                                   
REMARK 900 CATALYTIC ANTIBODY COMPLEX                                           
REMARK 900 RELATED ID: 1YEK   RELATED DB: PDB                                   
REMARK 900 CATALYTIC ANTIBODY D2.3 COMPLEX                                      
REMARK 900 RELATED ID: 1KN2   RELATED DB: PDB                                   
REMARK 900 CATALYTIC ANTIBODY D2.3 COMPLEX                                      
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCES OF THE CONSTANT DOMAINS OF THE HEAVY CHAINS.           
REMARK 999 (RESIDUES H106 - H223) AND OF THE LIGHT CHAINS                       
REMARK 999 (RESIDUES L107 - L214) HAVE NOT BEEN DETERMINED FOR THIS             
REMARK 999 IMMUNOGLOBULIN. THEY HAVE BEEN ASSIGNED THE CONSENSUS                
REMARK 999 SEQUENCE FOR THE CONSTANT DOMAIN OF MOUSE KAPPA LIGHT                
REMARK 999 CHAIN AND FOR THE FIRST CONSTANT DOMAIN OF MOUSE GROUP               
REMARK 999 2A HEAVY CHAINS.                                                     
DBREF  1KN4 L    1   214  UNP    Q8K0F8   Q8K0F8_MOUSE    21    239             
DBREF  1KN4 H    1   223  PDB    1KN4     1KN4             1    223             
SEQRES   1 L  219  ASP ILE VAL MET THR GLN SER PRO LEU THR LEU SER VAL          
SEQRES   2 L  219  THR ILE GLY GLN PRO ALA SER ILE SER CYS LYS SER SER          
SEQRES   3 L  219  GLN SER LEU LEU TYR SER ASN GLY LYS THR TYR LEU ASN          
SEQRES   4 L  219  TRP LEU LEU GLN ARG PRO GLY GLN SER PRO LYS ARG LEU          
SEQRES   5 L  219  ILE HIS LEU VAL SER LYS LEU ASP SER GLY VAL PRO ASP          
SEQRES   6 L  219  ARG ILE THR GLY SER GLY SER GLY THR ASP PHE THR LEU          
SEQRES   7 L  219  LYS ILE SER ARG VAL GLU ALA ALA ASP LEU GLY VAL TYR          
SEQRES   8 L  219  TYR CYS VAL GLN GLY THR HIS PHE PRO TYR THR PHE GLY          
SEQRES   9 L  219  GLY GLY THR LYS LEU GLU ILE LEU ARG ALA ASP ALA ALA          
SEQRES  10 L  219  PRO THR VAL SER ILE PHE PRO PRO SER SER GLU GLN LEU          
SEQRES  11 L  219  THR SER GLY GLY ALA SER VAL VAL CYS PHE LEU ASN ASN          
SEQRES  12 L  219  PHE TYR PRO LYS ASP ILE ASN VAL LYS TRP LYS ILE ASP          
SEQRES  13 L  219  GLY SER GLU ARG GLN ASN GLY VAL LEU ASN SER TRP THR          
SEQRES  14 L  219  ASP GLN ASP SER LYS ASP SER THR TYR SER MET SER SER          
SEQRES  15 L  219  THR LEU THR LEU THR LYS ASP GLU TYR GLU ARG HIS ASN          
SEQRES  16 L  219  SER TYR THR CYS GLU ALA THR HIS LYS THR SER THR SER          
SEQRES  17 L  219  PRO ILE VAL LYS SER PHE ASN ARG ASN GLU CYS                  
SEQRES   1 H  222  GLU MET GLN LEU GLN GLN SER GLY ALA GLU LEU LEU ARG          
SEQRES   2 H  222  PRO GLY THR SER VAL LYS LEU SER CYS LYS THR SER GLY          
SEQRES   3 H  222  TYR ILE PHE THR SER TYR TRP ILE HIS TRP VAL LYS GLN          
SEQRES   4 H  222  ARG SER GLY GLN GLY LEU GLU TRP ILE ALA ARG ILE TYR          
SEQRES   5 H  222  PRO GLY THR GLY SER THR TYR TYR ASN GLU LYS PHE LYS          
SEQRES   6 H  222  GLY LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 H  222  ALA TYR MET GLN LEU SER THR LEU LYS SER GLU ASP SER          
SEQRES   8 H  222  ALA VAL TYR PHE CYS THR ARG TRP GLY PHE ILE PRO VAL          
SEQRES   9 H  222  ARG GLU ASP TYR VAL MET ASP TYR TRP GLY GLN GLY THR          
SEQRES  10 H  222  LEU VAL THR VAL SER SER ALA LYS THR THR ALA PRO SER          
SEQRES  11 H  222  VAL TYR PRO LEU ALA PRO VAL CYS GLY ASP THR THR GLY          
SEQRES  12 H  222  SER SER VAL THR LEU GLY CYS LEU VAL LYS GLY TYR PHE          
SEQRES  13 H  222  PRO GLU PRO VAL THR LEU THR TRP ASN SER GLY SER LEU          
SEQRES  14 H  222  SER SER GLY VAL HIS THR PHE PRO ALA VAL LEU GLN SER          
SEQRES  15 H  222  ASP LEU TYR THR LEU SER SER SER VAL THR VAL THR SER          
SEQRES  16 H  222  SER THR TRP PRO SER GLN SER ILE THR CYS ASN VAL ALA          
SEQRES  17 H  222  HIS PRO ALA SER SER THR LYS VAL ASP LYS LYS ILE GLU          
SEQRES  18 H  222  PRO                                                          
HET     ZN  L 553       1                                                       
HET     ZN  L 554       1                                                       
HET     ZN  L 555       1                                                       
HET     ZN  L 556       1                                                       
HET     ZN  L 557       1                                                       
HET     ZN  L 558       1                                                       
HET     ZN  L 559       1                                                       
HET    PDE  L 551      24                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     PDE PARA-NITROPHENYL PHOSPHONOBUTANOYL D-ALANINE                     
FORMUL   3   ZN    7(ZN 2+)                                                     
FORMUL  10  PDE    C13 H17 N2 O8 P                                              
FORMUL  11  HOH   *151(H2 O)                                                    
HELIX    1   1 GLU L   79  LEU L   83  5                                   5    
HELIX    2   2 SER L  121  SER L  127  1                                   7    
HELIX    3   3 LYS L  183  GLU L  187  1                                   5    
HELIX    4   4 ILE H   28  TYR H   32  5                                   5    
HELIX    5   5 GLU H   61  LYS H   64  5                                   4    
HELIX    6   6 LYS H   83  SER H   87  5                                   5    
HELIX    7   7 SER H  161  SER H  163  5                                   3    
HELIX    8   8 PRO H  211  SER H  214  5                                   4    
SHEET    1   A 4 MET L   4  SER L   7  0                                        
SHEET    2   A 4 ALA L  19  SER L  25 -1  O  SER L  22   N  SER L   7           
SHEET    3   A 4 ASP L  70  ILE L  75 -1  O  PHE L  71   N  CYS L  23           
SHEET    4   A 4 ILE L  62  SER L  67 -1  N  THR L  63   O  LYS L  74           
SHEET    1   B 5 LYS L  53  LEU L  54  0                                        
SHEET    2   B 5 LYS L  45  HIS L  49 -1  N  HIS L  49   O  LYS L  53           
SHEET    3   B 5 LEU L  33  GLN L  38 -1  N  TRP L  35   O  LEU L  47           
SHEET    4   B 5 GLY L  84  GLN L  90 -1  O  TYR L  87   N  LEU L  36           
SHEET    5   B 5 THR L  97  PHE L  98 -1  O  THR L  97   N  GLN L  90           
SHEET    1   C 6 LYS L  53  LEU L  54  0                                        
SHEET    2   C 6 LYS L  45  HIS L  49 -1  N  HIS L  49   O  LYS L  53           
SHEET    3   C 6 LEU L  33  GLN L  38 -1  N  TRP L  35   O  LEU L  47           
SHEET    4   C 6 GLY L  84  GLN L  90 -1  O  TYR L  87   N  LEU L  36           
SHEET    5   C 6 THR L 102  ILE L 106 -1  O  LEU L 104   N  GLY L  84           
SHEET    6   C 6 THR L  10  VAL L  13  1  N  LEU L  11   O  GLU L 105           
SHEET    1   D 4 THR L 114  PHE L 118  0                                        
SHEET    2   D 4 GLY L 129  PHE L 139 -1  O  ASN L 137   N  THR L 114           
SHEET    3   D 4 TYR L 173  THR L 182 -1  O  TYR L 173   N  PHE L 139           
SHEET    4   D 4 VAL L 159  TRP L 163 -1  N  SER L 162   O  SER L 176           
SHEET    1   E 4 SER L 153  ARG L 155  0                                        
SHEET    2   E 4 ASN L 145  ILE L 150 -1  N  TRP L 148   O  ARG L 155           
SHEET    3   E 4 SER L 191  THR L 197 -1  O  GLU L 195   N  LYS L 147           
SHEET    4   E 4 ILE L 205  ASN L 210 -1  O  LYS L 207   N  CYS L 194           
SHEET    1   F 4 GLN H   3  GLN H   6  0                                        
SHEET    2   F 4 VAL H  18  SER H  25 -1  O  LYS H  23   N  GLN H   5           
SHEET    3   F 4 THR H  77  LEU H  82 -1  O  MET H  80   N  LEU H  20           
SHEET    4   F 4 ALA H  67  ASP H  72 -1  N  ASP H  72   O  THR H  77           
SHEET    1   G 5 THR H  57  TYR H  59  0                                        
SHEET    2   G 5 LEU H  45  ILE H  51 -1  N  ARG H  50   O  TYR H  58           
SHEET    3   G 5 ILE H  34  GLN H  39 -1  N  LYS H  38   O  GLU H  46           
SHEET    4   G 5 ALA H  88  ARG H  94 -1  O  PHE H  91   N  VAL H  37           
SHEET    5   G 5 TYR H 102  TRP H 103 -1  O  TYR H 102   N  ARG H  94           
SHEET    1   H 6 THR H  57  TYR H  59  0                                        
SHEET    2   H 6 LEU H  45  ILE H  51 -1  N  ARG H  50   O  TYR H  58           
SHEET    3   H 6 ILE H  34  GLN H  39 -1  N  LYS H  38   O  GLU H  46           
SHEET    4   H 6 ALA H  88  ARG H  94 -1  O  PHE H  91   N  VAL H  37           
SHEET    5   H 6 THR H 107  VAL H 111 -1  O  VAL H 109   N  ALA H  88           
SHEET    6   H 6 GLU H  10  LEU H  12  1  N  LEU H  12   O  THR H 110           
SHEET    1   I 4 SER H 120  LEU H 124  0                                        
SHEET    2   I 4 SER H 135  TYR H 145 -1  O  LEU H 141   N  TYR H 122           
SHEET    3   I 4 LEU H 182  THR H 192 -1  O  LEU H 185   N  VAL H 142           
SHEET    4   I 4 VAL H 169  THR H 171 -1  N  HIS H 170   O  SER H 188           
SHEET    1   J 4 SER H 120  LEU H 124  0                                        
SHEET    2   J 4 SER H 135  TYR H 145 -1  O  LEU H 141   N  TYR H 122           
SHEET    3   J 4 LEU H 182  THR H 192 -1  O  LEU H 185   N  VAL H 142           
SHEET    4   J 4 VAL H 175  GLN H 177 -1  N  GLN H 177   O  LEU H 182           
SHEET    1   K 3 THR H 151  TRP H 155  0                                        
SHEET    2   K 3 THR H 204  HIS H 210 -1  O  ASN H 207   N  THR H 154           
SHEET    3   K 3 THR H 215  LYS H 220 -1  O  LYS H 219   N  CYS H 206           
SSBOND   1 CYS L   23    CYS L   88                          1555   1555  2.03  
SSBOND   2 CYS L  134    CYS L  194                          1555   1555  2.02  
SSBOND   3 CYS H   22    CYS H   92                          1555   1555  2.02  
SSBOND   4 CYS H  140    CYS H  206                          1555   1555  2.02  
LINK         NE2 HIS L  49                ZN    ZN L 553     1555   1555  2.25  
LINK         OD2 ASP L  60                ZN    ZN L 556     4456   1555  2.01  
LINK         ND1 HIS L  93                ZN    ZN L 554     1555   1555  2.25  
LINK         OD1 ASP L 151                ZN    ZN L 555     1555   1555  2.11  
LINK         ND1 HIS L 189                ZN    ZN L 555     1555   1555  2.36  
LINK        ZN    ZN L 553                 OD1 ASP H 100C    1555   1555  2.05  
LINK        ZN    ZN L 553                 O   HOH H 251     1555   1555  1.54  
LINK        ZN    ZN L 554                 O   HOH L 561     1555   1555  1.62  
LINK        ZN    ZN L 554                 O   HOH L 573     1555   1555  1.65  
LINK        ZN    ZN L 554                 OD1 ASP H 181     1555   5665  1.83  
LINK        ZN    ZN L 555                 O   HOH L 604     1555   1555  1.60  
LINK        ZN    ZN L 555                 O   HOH L 605     1555   1555  1.82  
LINK        ZN    ZN L 556                 O   HOH L 560     1555   1555  2.15  
LINK        ZN    ZN L 556                 O   HOH L 606     1555   1555  1.79  
LINK        ZN    ZN L 556                 O   HOH L 624     1555   1555  1.82  
LINK        ZN    ZN L 557                 O   HOH L 605     1555   1555  1.67  
LINK        ZN    ZN L 557                 O   HOH L 606     1555   1555  1.70  
LINK        ZN    ZN L 557                 O   HOH L 644     1555   1555  2.25  
LINK        ZN    ZN L 558                 O   HOH L 604     1555   1555  2.04  
LINK        ZN    ZN L 558                 O   HOH L 615     1555   1555  1.93  
LINK        ZN    ZN L 558                 O   HOH L 624     1555   1555  1.74  
LINK        ZN    ZN L 558                 O   HOH L 638     1555   1455  2.67  
LINK        ZN    ZN L 559                 O   HOH L 573     1555   1555  2.07  
LINK        ZN    ZN L 559                 O   HOH L 625     1555   1555  1.74  
CISPEP   1 SER L    7    PRO L    8          0        -0.25                     
CISPEP   2 PHE L   94    PRO L   95          0         0.15                     
CISPEP   3 TYR L  140    PRO L  141          0        -1.60                     
CISPEP   4 PHE H  146    PRO H  147          0        -0.31                     
CISPEP   5 GLU H  148    PRO H  149          0         0.34                     
CISPEP   6 TRP H  197    PRO H  198          0         0.02                     
SITE     1 AC1  4 ASP H 100C HOH H 251  HIS L  49  LYS L  53                    
SITE     1 AC2  5 ASP H 181  HIS L  93   ZN L 559  HOH L 561                    
SITE     2 AC2  5 HOH L 573                                                     
SITE     1 AC3  6 ASP L 151  HIS L 189   ZN L 557   ZN L 558                    
SITE     2 AC3  6 HOH L 604  HOH L 605                                          
SITE     1 AC4  6 ASP L  60   ZN L 557   ZN L 558  HOH L 560                    
SITE     2 AC4  6 HOH L 606  HOH L 624                                          
SITE     1 AC5  5  ZN L 555   ZN L 556  HOH L 605  HOH L 606                    
SITE     2 AC5  5 HOH L 644                                                     
SITE     1 AC6  6  ZN L 555   ZN L 556  HOH L 604  HOH L 615                    
SITE     2 AC6  6 HOH L 624  HOH L 638                                          
SITE     1 AC7  4 SER H 112   ZN L 554  HOH L 573  HOH L 625                    
SITE     1 AC8 13 HIS H  35  VAL H  37  ARG H  50  TRP H  95                    
SITE     2 AC8 13 PHE H  97  TYR H 100D ASN L  34  VAL L  89                    
SITE     3 AC8 13 GLY L  91  PHE L  94  TYR L  96  PHE L  98                    
SITE     4 AC8 13 HOH L 562                                                     
CRYST1   78.251   78.251  158.805  90.00  90.00 120.00 P 31 2 1      6          
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      0.012779  0.007378  0.000000        0.00000                         
SCALE2      0.000000  0.014756  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006297        0.00000