HEADER    HYDROLASE                               08-DEC-00   1HO3              
TITLE     CRYSTAL STRUCTURE ANALYSIS OF E. COLI L-ASPARAGINASE II (Y25F MUTANT) 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: L-ASPARAGINASE II;                                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: L-ASPARAGINE AMIDOHYDROLASE II;                             
COMPND   5 EC: 3.5.1.1;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    ASPARAGINASE, LEUKEMIA, HYDROLASE                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.JASKOLSKI,M.KOZAK,P.LUBKOWSKI,J.G.PALM,A.WLODAWER                   
REVDAT   8   30-OCT-24 1HO3    1       REMARK                                   
REVDAT   7   09-AUG-23 1HO3    1       REMARK                                   
REVDAT   6   27-OCT-21 1HO3    1       REMARK SEQADV                            
REVDAT   5   04-OCT-17 1HO3    1       REMARK                                   
REVDAT   4   13-JUL-11 1HO3    1       VERSN                                    
REVDAT   3   24-FEB-09 1HO3    1       VERSN                                    
REVDAT   2   01-APR-03 1HO3    1       JRNL                                     
REVDAT   1   07-MAR-01 1HO3    0                                                
JRNL        AUTH   M.JASKOLSKI,M.KOZAK,J.LUBKOWSKI,G.PALM,A.WLODAWER            
JRNL        TITL   STRUCTURES OF TWO HIGHLY HOMOLOGOUS BACTERIAL                
JRNL        TITL 2 L-ASPARAGINASES: A CASE OF ENANTIOMORPHIC SPACE GROUPS.      
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  57   369 2001              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   11223513                                                     
JRNL        DOI    10.1107/S0907444900020175                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.KOZAK,M.JASKOLSKI,K.H.ROEHM                                
REMARK   1  TITL   PRELIMINARY CRYSTALLOGRAPHIC STUDIES OF Y25F MUTANT OF       
REMARK   1  TITL 2 PERIPLASMIC ESCHERICHIA COLI L-ASPARAGINASE                  
REMARK   1  REF    ACTA BIOCHIM.POL.             V.  47   807 2000              
REMARK   1  REFN                   ISSN 0001-527X                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   A.L.SWAIN,M.JASKOLSKI,D.HOUSSET,J.K.M.RAO,A.WLODAWER         
REMARK   1  TITL   CRYSTAL STRUCTURE OF ESCHERICHIA COLI L-ASPARAGINASE, AN     
REMARK   1  TITL 2 ENZYME USED IN CANCER THERAPY                                
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  90  1474 1993              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 75.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 17773                          
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) : 0.182                           
REMARK   3   FREE R VALUE                     : 0.245                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 868                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.65                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 52.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1933                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3220                       
REMARK   3   BIN FREE R VALUE                    : 0.3550                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 93                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.037                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4860                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 18                                      
REMARK   3   SOLVENT ATOMS            : 109                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 15.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 5.48000                                              
REMARK   3    B22 (A**2) : 5.48000                                              
REMARK   3    B33 (A**2) : -10.97000                                            
REMARK   3    B12 (A**2) : -0.62000                                             
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) : 0.28                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.47                            
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) : 0.37                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.64                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.990                           
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) : 3.400 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 5.040 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 5.260 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 7.260 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 67.37                                                
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 1HO3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-DEC-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000012476.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-DEC-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 290                                
REMARK 200  PH                             : 4.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98                               
REMARK 200  MONOCHROMATOR                  : TRIANGULAR MONOCHROMATOR BENT      
REMARK 200                                   MIRROR                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MAR                                
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23517                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.450                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.0                               
REMARK 200  DATA REDUNDANCY                : 3.170                              
REMARK 200  R MERGE                    (I) : 0.09700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.54                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 85.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 3ECA                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.26                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, CALCIUM CHLORIDE, SODIUM CITRATE,   
REMARK 280  PH 4.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      227.38333            
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      113.69167            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      170.53750            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       56.84583            
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      284.22917            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      227.38333            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      113.69167            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       56.84583            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      170.53750            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      284.22917            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HOMOTETRAMER GENERATED FROM     
REMARK 300 THE DIMER IN THE ASYMMETRIC UNIT BY THE ACTION OF CRYSTALLOGRAPHIC   
REMARK 300 TWOFOLD AXIS [1, -1,0]                                               
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 15760 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 41160 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -58.0 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 350   BIOMT1   2  0.500000 -0.866025  0.000000       40.49950            
REMARK 350   BIOMT2   2 -0.866025 -0.500000  0.000000       70.14719            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       56.84583            
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 A 507  LIES ON A SPECIAL POSITION.                          
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     GLY A    16                                                      
REMARK 475     GLY A    17                                                      
REMARK 475     ASP A    18                                                      
REMARK 475     SER A    19                                                      
REMARK 475     ALA A    20                                                      
REMARK 475     THR A    21                                                      
REMARK 475     LYS A    22                                                      
REMARK 475     SER A    23                                                      
REMARK 475     ASN A    24                                                      
REMARK 475     GLY B    16                                                      
REMARK 475     GLY B    17                                                      
REMARK 475     ASP B    18                                                      
REMARK 475     SER B    19                                                      
REMARK 475     ALA B    20                                                      
REMARK 475     THR B    21                                                      
REMARK 475     LYS B    22                                                      
REMARK 475     SER B    23                                                      
REMARK 475     ASN B    24                                                      
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    ASP A  18      -39.83   -148.74                                   
REMARK 500    ASN A  24       61.95   -105.90                                   
REMARK 500    THR A  26      -77.96   -123.75                                   
REMARK 500    VAL A  27      -44.45   -139.82                                   
REMARK 500    LYS A  29       12.36    170.63                                   
REMARK 500    VAL A  30      147.46   -171.61                                   
REMARK 500    LEU A  35       35.10    -83.61                                   
REMARK 500    VAL A  36      -35.00   -148.77                                   
REMARK 500    VAL A  39       72.14   -113.33                                   
REMARK 500    GLU A  51      122.38   -178.63                                   
REMARK 500    ASN A  55       68.61   -153.10                                   
REMARK 500    MET A  61      152.67    -48.09                                   
REMARK 500    THR A 198     -117.37     27.02                                   
REMARK 500    PRO A 212      172.08    -49.02                                   
REMARK 500    ASP A 281       79.99   -100.15                                   
REMARK 500    ALA A 282     -146.22   -140.36                                   
REMARK 500    GLN A 312       -4.84   -140.79                                   
REMARK 500    ASP B  18      -40.29   -148.27                                   
REMARK 500    ASN B  24       62.05   -106.30                                   
REMARK 500    THR B  26      -78.10   -122.95                                   
REMARK 500    VAL B  27      -46.80   -138.73                                   
REMARK 500    LYS B  29        9.53    172.60                                   
REMARK 500    VAL B  32      -61.88   -107.30                                   
REMARK 500    LEU B  35       40.72    -88.39                                   
REMARK 500    VAL B  36      -31.78   -155.90                                   
REMARK 500    VAL B  39       73.26   -112.81                                   
REMARK 500    LYS B  43      -15.71    -48.49                                   
REMARK 500    GLU B  51      120.57   -175.14                                   
REMARK 500    ASN B  55       74.67   -150.39                                   
REMARK 500    ASN B 151       63.14     39.68                                   
REMARK 500    ASP B 152       17.13     50.83                                   
REMARK 500    THR B 198     -113.18     35.56                                   
REMARK 500    PRO B 212      171.14    -52.44                                   
REMARK 500    ASP B 281       79.65   -101.71                                   
REMARK 500    ALA B 282     -144.66   -141.03                                   
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 ASP A 399                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ASP B 400                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3ECA   RELATED DB: PDB                                   
REMARK 900 L-ASPARAGINASE II FROM E. COLI (NATIVE FORM)                         
REMARK 900 RELATED ID: 4ECA   RELATED DB: PDB                                   
REMARK 900 L-ASPARAGINASE II FROM E. COLI (T12V MUTANT; THR 12 IS ACYLATED BY   
REMARK 900 ASPARTIC ACID IN EACH MONOMER)                                       
DBREF  1HO3 A    1   326  UNP    P00805   ASPG2_ECOLI     23    348             
DBREF  1HO3 B    1   326  UNP    P00805   ASPG2_ECOLI     23    348             
SEQADV 1HO3 PHE A   25  UNP  P00805    TYR    47 ENGINEERED MUTATION            
SEQADV 1HO3 PHE B   25  UNP  P00805    TYR    47 ENGINEERED MUTATION            
SEQRES   1 A  326  LEU PRO ASN ILE THR ILE LEU ALA THR GLY GLY THR ILE          
SEQRES   2 A  326  ALA GLY GLY GLY ASP SER ALA THR LYS SER ASN PHE THR          
SEQRES   3 A  326  VAL GLY LYS VAL GLY VAL GLU ASN LEU VAL ASN ALA VAL          
SEQRES   4 A  326  PRO GLN LEU LYS ASP ILE ALA ASN VAL LYS GLY GLU GLN          
SEQRES   5 A  326  VAL VAL ASN ILE GLY SER GLN ASP MET ASN ASP ASN VAL          
SEQRES   6 A  326  TRP LEU THR LEU ALA LYS LYS ILE ASN THR ASP CYS ASP          
SEQRES   7 A  326  LYS THR ASP GLY PHE VAL ILE THR HIS GLY THR ASP THR          
SEQRES   8 A  326  MET GLU GLU THR ALA TYR PHE LEU ASP LEU THR VAL LYS          
SEQRES   9 A  326  CYS ASP LYS PRO VAL VAL MET VAL GLY ALA MET ARG PRO          
SEQRES  10 A  326  SER THR SER MET SER ALA ASP GLY PRO PHE ASN LEU TYR          
SEQRES  11 A  326  ASN ALA VAL VAL THR ALA ALA ASP LYS ALA SER ALA ASN          
SEQRES  12 A  326  ARG GLY VAL LEU VAL VAL MET ASN ASP THR VAL LEU ASP          
SEQRES  13 A  326  GLY ARG ASP VAL THR LYS THR ASN THR THR ASP VAL ALA          
SEQRES  14 A  326  THR PHE LYS SER VAL ASN TYR GLY PRO LEU GLY TYR ILE          
SEQRES  15 A  326  HIS ASN GLY LYS ILE ASP TYR GLN ARG THR PRO ALA ARG          
SEQRES  16 A  326  LYS HIS THR SER ASP THR PRO PHE ASP VAL SER LYS LEU          
SEQRES  17 A  326  ASN GLU LEU PRO LYS VAL GLY ILE VAL TYR ASN TYR ALA          
SEQRES  18 A  326  ASN ALA SER ASP LEU PRO ALA LYS ALA LEU VAL ASP ALA          
SEQRES  19 A  326  GLY TYR ASP GLY ILE VAL SER ALA GLY VAL GLY ASN GLY          
SEQRES  20 A  326  ASN LEU TYR LYS SER VAL PHE ASP THR LEU ALA THR ALA          
SEQRES  21 A  326  ALA LYS THR GLY THR ALA VAL VAL ARG SER SER ARG VAL          
SEQRES  22 A  326  PRO THR GLY ALA THR THR GLN ASP ALA GLU VAL ASP ASP          
SEQRES  23 A  326  ALA LYS TYR GLY PHE VAL ALA SER GLY THR LEU ASN PRO          
SEQRES  24 A  326  GLN LYS ALA ARG VAL LEU LEU GLN LEU ALA LEU THR GLN          
SEQRES  25 A  326  THR LYS ASP PRO GLN GLN ILE GLN GLN ILE PHE ASN GLN          
SEQRES  26 A  326  TYR                                                          
SEQRES   1 B  326  LEU PRO ASN ILE THR ILE LEU ALA THR GLY GLY THR ILE          
SEQRES   2 B  326  ALA GLY GLY GLY ASP SER ALA THR LYS SER ASN PHE THR          
SEQRES   3 B  326  VAL GLY LYS VAL GLY VAL GLU ASN LEU VAL ASN ALA VAL          
SEQRES   4 B  326  PRO GLN LEU LYS ASP ILE ALA ASN VAL LYS GLY GLU GLN          
SEQRES   5 B  326  VAL VAL ASN ILE GLY SER GLN ASP MET ASN ASP ASN VAL          
SEQRES   6 B  326  TRP LEU THR LEU ALA LYS LYS ILE ASN THR ASP CYS ASP          
SEQRES   7 B  326  LYS THR ASP GLY PHE VAL ILE THR HIS GLY THR ASP THR          
SEQRES   8 B  326  MET GLU GLU THR ALA TYR PHE LEU ASP LEU THR VAL LYS          
SEQRES   9 B  326  CYS ASP LYS PRO VAL VAL MET VAL GLY ALA MET ARG PRO          
SEQRES  10 B  326  SER THR SER MET SER ALA ASP GLY PRO PHE ASN LEU TYR          
SEQRES  11 B  326  ASN ALA VAL VAL THR ALA ALA ASP LYS ALA SER ALA ASN          
SEQRES  12 B  326  ARG GLY VAL LEU VAL VAL MET ASN ASP THR VAL LEU ASP          
SEQRES  13 B  326  GLY ARG ASP VAL THR LYS THR ASN THR THR ASP VAL ALA          
SEQRES  14 B  326  THR PHE LYS SER VAL ASN TYR GLY PRO LEU GLY TYR ILE          
SEQRES  15 B  326  HIS ASN GLY LYS ILE ASP TYR GLN ARG THR PRO ALA ARG          
SEQRES  16 B  326  LYS HIS THR SER ASP THR PRO PHE ASP VAL SER LYS LEU          
SEQRES  17 B  326  ASN GLU LEU PRO LYS VAL GLY ILE VAL TYR ASN TYR ALA          
SEQRES  18 B  326  ASN ALA SER ASP LEU PRO ALA LYS ALA LEU VAL ASP ALA          
SEQRES  19 B  326  GLY TYR ASP GLY ILE VAL SER ALA GLY VAL GLY ASN GLY          
SEQRES  20 B  326  ASN LEU TYR LYS SER VAL PHE ASP THR LEU ALA THR ALA          
SEQRES  21 B  326  ALA LYS THR GLY THR ALA VAL VAL ARG SER SER ARG VAL          
SEQRES  22 B  326  PRO THR GLY ALA THR THR GLN ASP ALA GLU VAL ASP ASP          
SEQRES  23 B  326  ALA LYS TYR GLY PHE VAL ALA SER GLY THR LEU ASN PRO          
SEQRES  24 B  326  GLN LYS ALA ARG VAL LEU LEU GLN LEU ALA LEU THR GLN          
SEQRES  25 B  326  THR LYS ASP PRO GLN GLN ILE GLN GLN ILE PHE ASN GLN          
SEQRES  26 B  326  TYR                                                          
HET    ASP  A 399       9                                                       
HET    ASP  B 400       9                                                       
HETNAM     ASP ASPARTIC ACID                                                    
FORMUL   3  ASP    2(C4 H7 N O4)                                                
FORMUL   5  HOH   *109(H2 O)                                                    
HELIX    1   1 THR A   12  GLY A   15  5                                   4    
HELIX    2   2 GLU A   33  ALA A   38  1                                   6    
HELIX    3   3 VAL A   39  ILE A   45  5                                   7    
HELIX    4   4 GLY A   57  MET A   61  5                                   5    
HELIX    5   5 ASN A   62  CYS A   77  1                                  16    
HELIX    6   6 THR A   91  VAL A  103  1                                  13    
HELIX    7   7 ASP A  124  ASP A  138  1                                  15    
HELIX    8   8 LYS A  139  ALA A  142  5                                   4    
HELIX    9   9 HIS A  197  THR A  201  5                                   5    
HELIX   10  10 ASP A  225  ALA A  234  1                                  10    
HELIX   11  11 TYR A  250  GLY A  264  1                                  15    
HELIX   12  12 ASP A  285  GLY A  290  1                                   6    
HELIX   13  13 ASN A  298  THR A  311  1                                  14    
HELIX   14  14 ASP A  315  ASN A  324  1                                  10    
HELIX   15  15 THR B   12  GLY B   15  5                                   4    
HELIX   16  16 GLU B   33  ALA B   38  1                                   6    
HELIX   17  17 GLN B   41  ILE B   45  5                                   5    
HELIX   18  18 GLY B   57  MET B   61  5                                   5    
HELIX   19  19 ASN B   62  CYS B   77  1                                  16    
HELIX   20  20 ASP B   78  THR B   80  5                                   3    
HELIX   21  21 THR B   91  VAL B  103  1                                  13    
HELIX   22  22 ASP B  124  ASP B  138  1                                  15    
HELIX   23  23 LYS B  139  ALA B  142  5                                   4    
HELIX   24  24 HIS B  197  THR B  201  5                                   5    
HELIX   25  25 ASP B  225  ALA B  234  1                                  10    
HELIX   26  26 TYR B  250  GLY B  264  1                                  15    
HELIX   27  27 ASP B  285  GLY B  290  1                                   6    
HELIX   28  28 ASN B  298  THR B  311  1                                  14    
HELIX   29  29 ASP B  315  PHE B  323  1                                   9    
SHEET    1   A 8 ASN A  47  ILE A  56  0                                        
SHEET    2   A 8 ASN A   3  GLY A  10  1  O  ILE A   4   N  LYS A  49           
SHEET    3   A 8 GLY A  82  THR A  86  1  O  GLY A  82   N  THR A   5           
SHEET    4   A 8 VAL A 109  VAL A 112  1  N  VAL A 110   O  PHE A  83           
SHEET    5   A 8 LEU A 147  MET A 150  1  N  LEU A 147   O  VAL A 109           
SHEET    6   A 8 THR A 153  ASP A 156 -1  N  THR A 153   O  MET A 150           
SHEET    7   A 8 GLY A 180  HIS A 183 -1  O  GLY A 180   N  VAL A 154           
SHEET    8   A 8 LYS A 186  TYR A 189 -1  O  LYS A 186   N  HIS A 183           
SHEET    1   B 2 VAL A 160  LYS A 162  0                                        
SHEET    2   B 2 PHE A 171  SER A 173 -1  N  LYS A 172   O  THR A 161           
SHEET    1   C 4 VAL A 214  TYR A 218  0                                        
SHEET    2   C 4 GLY A 238  GLY A 243  1  O  GLY A 238   N  GLY A 215           
SHEET    3   C 4 ALA A 266  SER A 271  1  O  ALA A 266   N  ILE A 239           
SHEET    4   C 4 VAL A 292  ALA A 293  1  O  VAL A 292   N  ARG A 269           
SHEET    1   D 8 ASN B  47  ILE B  56  0                                        
SHEET    2   D 8 ASN B   3  GLY B  10  1  O  ILE B   4   N  LYS B  49           
SHEET    3   D 8 GLY B  82  THR B  86  1  O  GLY B  82   N  THR B   5           
SHEET    4   D 8 VAL B 109  VAL B 112  1  O  VAL B 110   N  ILE B  85           
SHEET    5   D 8 LEU B 147  MET B 150  1  N  LEU B 147   O  VAL B 109           
SHEET    6   D 8 THR B 153  ASP B 156 -1  N  THR B 153   O  MET B 150           
SHEET    7   D 8 GLY B 180  HIS B 183 -1  O  GLY B 180   N  VAL B 154           
SHEET    8   D 8 LYS B 186  TYR B 189 -1  O  LYS B 186   N  HIS B 183           
SHEET    1   E 2 VAL B 160  LYS B 162  0                                        
SHEET    2   E 2 PHE B 171  SER B 173 -1  N  LYS B 172   O  THR B 161           
SHEET    1   F 4 VAL B 214  TYR B 218  0                                        
SHEET    2   F 4 GLY B 238  GLY B 243  1  O  GLY B 238   N  GLY B 215           
SHEET    3   F 4 ALA B 266  SER B 271  1  O  ALA B 266   N  ILE B 239           
SHEET    4   F 4 VAL B 292  ALA B 293  1  O  VAL B 292   N  ARG B 269           
SSBOND   1 CYS A   77    CYS A  105                          1555   1555  2.02  
SSBOND   2 CYS B   77    CYS B  105                          1555   1555  2.02  
SITE     1 AC1 11 GLY A  11  THR A  12  GLY A  57  SER A  58                    
SITE     2 AC1 11 GLN A  59  GLY A  88  THR A  89  ASP A  90                    
SITE     3 AC1 11 ALA A 114  ASN A 248  GLU A 283                               
SITE     1 AC2 11 GLY B  11  THR B  12  SER B  58  GLN B  59                    
SITE     2 AC2 11 GLY B  88  THR B  89  ASP B  90  ALA B 114                    
SITE     3 AC2 11 ASN B 248  GLU B 283  HOH B 488                               
CRYST1   80.999   80.999  341.075  90.00  90.00 120.00 P 65 2 2     24          
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      0.012346  0.007128  0.000000        0.00000                         
SCALE2      0.000000  0.014256  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.002932        0.00000