HEADER    LYASE                                   21-JUL-09   2WNZ              
TITLE     STRUCTURE OF THE E192N MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID LYASE
TITLE    2 IN COMPLEX WITH PYRUVATE IN SPACE GROUP P21 CRYSTAL FORM I           
CAVEAT     2WNZ    LAC C 1297 HAS WRONG CHIRALITY AT ATOM CA 2OP D 1296 HAS     
CAVEAT   2 2WNZ    WRONG CHIRALITY AT ATOM CA                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: N-ACETYLNEURAMINATE LYASE;                                 
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 FRAGMENT: RESIDUES 2-297;                                            
COMPND   5 SYNONYM: N-ACETYLNEURAMINIC ACID ALDOLASE, N-ACETYLNEURAMINATE       
COMPND   6 PYRUVATE-LYASE, SIALIC ACID LYASE, SIALATE LYASE, SIALIC ACID        
COMPND   7 ALDOLASE, NALASE, N-ACETYLNEURAMINIC ACID LYASE;                     
COMPND   8 EC: 4.1.3.3;                                                         
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 469008;                                              
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PKNANA                                    
KEYWDS    SUBSTRATE SPECIFICITY, CARBOHYDRATE METABOLISM, DIRECTED EVOLUTION,   
KEYWDS   2 PROTEIN ENGINEERING, LYASE, ALDOLASE, SCHIFF BASE                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.CAMPEOTTO,A.H.BOLT,T.A.HARMAN,C.H.TRINH,C.A.DENNIS,S.E.V.PHILLIPS,  
AUTHOR   2 A.R.PEARSON,A.NELSON,A.BERRY                                         
REVDAT   6   20-DEC-23 2WNZ    1       REMARK                                   
REVDAT   5   29-NOV-23 2WNZ    1       REMARK                                   
REVDAT   4   15-NOV-23 2WNZ    1       CAVEAT REMARK LINK   ATOM                
REVDAT   3   17-NOV-10 2WNZ    1       JRNL                                     
REVDAT   2   22-SEP-10 2WNZ    1       KEYWDS JRNL                              
REVDAT   1   25-AUG-10 2WNZ    0                                                
JRNL        AUTH   I.CAMPEOTTO,A.H.BOLT,T.A.HARMAN,C.A.DENNIS,C.H.TRINH,        
JRNL        AUTH 2 S.E.V.PHILLIPS,A.NELSON,A.R.PEARSON,A.BERRY                  
JRNL        TITL   STRUCTURAL INSIGHTS INTO SUBSTRATE SPECIFICITY IN VARIANTS   
JRNL        TITL 2 OF N-ACETYLNEURAMINIC ACID LYASE PRODUCED BY DIRECTED        
JRNL        TITL 3 EVOLUTION.                                                   
JRNL        REF    J.MOL.BIOL.                   V. 404    56 2010              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   20826162                                                     
JRNL        DOI    10.1016/J.JMB.2010.08.008                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0097                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 78.96                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 101932                         
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 + TEST SET) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.225                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5386                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.85                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.90                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 7529                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.75                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3010                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 399                          
REMARK   3   BIN FREE R VALUE                    : 0.3440                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 9215                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 24                                      
REMARK   3   SOLVENT ATOMS            : 654                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.18                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.03                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.88000                                              
REMARK   3    B22 (A**2) : -0.43000                                             
REMARK   3    B33 (A**2) : -1.95000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.74000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.142         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.133         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.095         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.149         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.954                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.933                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  9504 ; 0.009 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  6366 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 12881 ; 1.137 ; 1.974       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 15598 ; 0.845 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  1214 ; 5.470 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   425 ;39.063 ;24.706       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1653 ;12.141 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    50 ;17.299 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1455 ; 0.068 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A): 10641 ; 0.005 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  1841 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  5926 ; 0.507 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  2450 ; 0.105 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  9525 ; 0.932 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3578 ; 1.389 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  3341 ; 2.261 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. U VALUES REFINED INDIVIDUALLY.                           
REMARK   4                                                                      
REMARK   4 2WNZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-JUL-09.                  
REMARK 100 THE DEPOSITION ID IS D_1290040502.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-AUG-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I02                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 107356                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 79.060                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
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) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.95                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2WNN                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM TRIS-HCL PH 8.0, 200MM NACL, 18%   
REMARK 280  PEG3350                                                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       71.52050            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 9230 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 40460 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.6 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A    -6                                                      
REMARK 465     GLU A    -5                                                      
REMARK 465     MET B    -6                                                      
REMARK 465     GLU B    -5                                                      
REMARK 465     HIS B    -4                                                      
REMARK 465     HIS B    -3                                                      
REMARK 465     HIS B    -2                                                      
REMARK 465     HIS B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     HIS B     1                                                      
REMARK 465     GLY B   297                                                      
REMARK 465     MET C    -6                                                      
REMARK 465     GLU C    -5                                                      
REMARK 465     HIS C    -4                                                      
REMARK 465     HIS C    -3                                                      
REMARK 465     HIS C    -2                                                      
REMARK 465     HIS C    -1                                                      
REMARK 465     HIS C     0                                                      
REMARK 465     HIS C     1                                                      
REMARK 465     GLY C   297                                                      
REMARK 465     MET D    -6                                                      
REMARK 465     GLU D    -5                                                      
REMARK 465     HIS D    -4                                                      
REMARK 465     HIS D    -3                                                      
REMARK 465     HIS D    -2                                                      
REMARK 465     ARG D   296                                                      
REMARK 465     GLY D   297                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NH2  ARG C    28     O    HOH C  2016              2.09            
REMARK 500   NH2  ARG D    97     O    HOH D  2074              2.09            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG D  97   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG D  97   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 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    TYR A 110      -69.71     68.85                                   
REMARK 500    MET A 213       34.02   -154.65                                   
REMARK 500    MET A 213       34.35   -154.81                                   
REMARK 500    PRO A 268       37.95    -86.54                                   
REMARK 500    ARG A 296      -72.37    -82.68                                   
REMARK 500    TYR B 110      -71.90     70.84                                   
REMARK 500    MET B 213       38.88   -154.38                                   
REMARK 500    PRO B 268       38.65    -89.08                                   
REMARK 500    THR C   3      -33.09    -39.55                                   
REMARK 500    TYR C 110      -73.13     72.72                                   
REMARK 500    MET C 213       42.39   -152.50                                   
REMARK 500    PRO C 268       37.99    -84.20                                   
REMARK 500    THR D   3      -30.01    -39.45                                   
REMARK 500    TYR D 110      -71.05     66.04                                   
REMARK 500    MET D 213       40.34   -151.80                                   
REMARK 500    MET D 213       41.56   -152.38                                   
REMARK 500    PRO D 268       39.35    -85.32                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH C2002        DISTANCE =  5.84 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2OP D 1296                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LAC C 1297                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ETX C 1298                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ETX D 1297                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2WNQ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE E192N MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID     
REMARK 900 LYASE IN SPACE GROUP P21                                             
REMARK 900 RELATED ID: 2WKJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE E192N MUTANT OF E .COLI N-ACETYLNEURAMINIC  
REMARK 900 ACID LYASE IN COMPLEX WITH PYRUVATE AT 1.45A RESOLUTION IN SPACE     
REMARK 900 GROUP P212121                                                        
REMARK 900 RELATED ID: 1FDZ   RELATED DB: PDB                                   
REMARK 900 N-ACETYLNEURAMINATE LYASE IN COMPLEX WITH PYRUVATE VIA BOROHYDRIDE   
REMARK 900 REDUCTION                                                            
REMARK 900 RELATED ID: 1FDY   RELATED DB: PDB                                   
REMARK 900 N-ACETYLNEURAMINATE LYASE IN COMPLEX WITH HYDROXYPYRUVATE            
REMARK 900 RELATED ID: 2WSG   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE Y137A MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID     
REMARK 900 LYASE IN COMPLEX WITH PYRUVATE, N-ACETYL-D-MANNOSAMINE AND N-        
REMARK 900 ACETYLNEURAMINIC ACID                                                
REMARK 900 RELATED ID: 2WPB   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE E192N MUTANT OF E . COLI N-                 
REMARK 900 ACETYLNEURAMINIC ACID LYASE IN COMPLEX WITH PYRUVATE AND THE         
REMARK 900 INHIBITOR (2R ,3R)-2,3,4-TRIHYDROXY-N,N- DIPROPYLBUTANAMIDE IN       
REMARK 900 SPACE GROUP P21 CRYSTAL FORM I                                       
REMARK 900 RELATED ID: 1NAL   RELATED DB: PDB                                   
REMARK 900 THE THREE-DIMENSIONAL STRUCTURE OF N- ACETYLNEURAMINATE LYASE FROM   
REMARK 900 ESCHERICHIA COLI                                                     
REMARK 900 RELATED ID: 2WO5   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF WILD TYPE E. COLI N- ACETYLNEURAMINIC ACID LYASE IN     
REMARK 900 SPACE GROUP P21 CRYSTAL FORM I                                       
REMARK 900 RELATED ID: 2WNN   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF WILD TYPE E. COLI N- ACETYLNEURAMINIC ACID LYASE IN     
REMARK 900 COMPLEX WITH PYRUVATE IN SPACE GROUP P21                             
REMARK 900 RELATED ID: 1HL2   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF N-ACETYLNEURAMINATE LYASE FROM E. COLI MUTANT   
REMARK 900 L142R IN COMPLEX WITH B-HYDROXYPYRUVATE                              
DBREF  2WNZ A    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
DBREF  2WNZ B    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
DBREF  2WNZ C    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
DBREF  2WNZ D    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
SEQADV 2WNZ MET A   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ GLU A   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS A   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS A   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS A   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS A   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS A    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS A    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ ASN A  192  UNP  P0A6L4    GLU   192 CONFLICT                       
SEQADV 2WNZ MET B   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ GLU B   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS B   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS B   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS B   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS B   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS B    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS B    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ ASN B  192  UNP  P0A6L4    GLU   192 CONFLICT                       
SEQADV 2WNZ MET C   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ GLU C   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS C   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS C   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS C   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS C   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS C    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS C    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ ASN C  192  UNP  P0A6L4    GLU   192 CONFLICT                       
SEQADV 2WNZ MET D   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ GLU D   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS D   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS D   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS D   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS D   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS D    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ HIS D    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNZ ASN D  192  UNP  P0A6L4    GLU   192 CONFLICT                       
SEQRES   1 A  304  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 A  304  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 A  304  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 A  304  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 A  304  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 A  304  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 A  304  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 A  304  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 A  304  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 A  304  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 A  304  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 A  304  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 A  304  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 A  304  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 A  304  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 A  304  GLY TYR ASP ASN ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 A  304  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 A  304  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 A  304  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 A  304  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 A  304  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 A  304  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 A  304  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 A  304  MET GLN GLU ARG GLY                                          
SEQRES   1 B  304  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 B  304  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 B  304  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 B  304  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 B  304  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 B  304  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 B  304  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 B  304  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 B  304  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 B  304  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 B  304  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 B  304  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 B  304  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 B  304  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 B  304  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 B  304  GLY TYR ASP ASN ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 B  304  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 B  304  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 B  304  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 B  304  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 B  304  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 B  304  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 B  304  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 B  304  MET GLN GLU ARG GLY                                          
SEQRES   1 C  304  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 C  304  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 C  304  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 C  304  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 C  304  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 C  304  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 C  304  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 C  304  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 C  304  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 C  304  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 C  304  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 C  304  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 C  304  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 C  304  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 C  304  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 C  304  GLY TYR ASP ASN ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 C  304  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 C  304  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 C  304  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 C  304  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 C  304  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 C  304  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 C  304  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 C  304  MET GLN GLU ARG GLY                                          
SEQRES   1 D  304  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 D  304  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 D  304  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 D  304  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 D  304  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 D  304  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 D  304  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 D  304  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 D  304  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 D  304  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 D  304  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 D  304  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 D  304  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 D  304  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 D  304  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 D  304  GLY TYR ASP ASN ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 D  304  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 D  304  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 D  304  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 D  304  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 D  304  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 D  304  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 D  304  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 D  304  MET GLN GLU ARG GLY                                          
MODRES 2WNZ KPI A  165  LYS                                                     
MODRES 2WNZ KPI B  165  LYS                                                     
MODRES 2WNZ KPI C  165  LYS                                                     
MODRES 2WNZ KPI D  165  LYS                                                     
HET    KPI  A 165      14                                                       
HET    KPI  B 165      14                                                       
HET    KPI  C 165      14                                                       
HET    KPI  D 165      14                                                       
HET    LAC  C1297       6                                                       
HET    ETX  C1298       6                                                       
HET    2OP  D1296       6                                                       
HET    ETX  D1297       6                                                       
HETNAM     KPI (2S)-2-AMINO-6-[(1-HYDROXY-1-OXO-PROPAN-2-YLIDENE)               
HETNAM   2 KPI  AMINO]HEXANOIC ACID                                             
HETNAM     LAC LACTIC ACID                                                      
HETNAM     ETX 2-ETHOXYETHANOL                                                  
HETNAM     2OP (2S)-2-HYDROXYPROPANOIC ACID                                     
FORMUL   1  KPI    4(C9 H16 N2 O4)                                              
FORMUL   5  LAC    C3 H6 O3                                                     
FORMUL   6  ETX    2(C4 H10 O2)                                                 
FORMUL   7  2OP    C3 H6 O3                                                     
FORMUL   9  HOH   *654(H2 O)                                                    
HELIX    1   1 HIS A   -4  ALA A    2  1                                   7    
HELIX    2   2 THR A    3  ARG A    6  5                                   4    
HELIX    3   3 ASP A   23  GLN A   37  1                                  15    
HELIX    4   4 GLU A   50  GLN A   54  5                                   5    
HELIX    5   5 SER A   55  LYS A   71  1                                  17    
HELIX    6   6 SER A   84  TYR A   98  1                                  15    
HELIX    7   7 SER A  114  ASP A  130  1                                  17    
HELIX    8   8 THR A  148  THR A  157  1                                  10    
HELIX    9   9 ASP A  170  HIS A  181  1                                  12    
HELIX   10  10 TYR A  190  PHE A  194  5                                   5    
HELIX   11  11 SER A  208  ILE A  212  5                                   5    
HELIX   12  12 ILE A  220  GLU A  226  1                                   7    
HELIX   13  13 ASP A  228  THR A  249  1                                  22    
HELIX   14  14 LEU A  255  MET A  262  1                                   8    
HELIX   15  15 ASP A  278  LYS A  280  5                                   3    
HELIX   16  16 TYR A  281  ARG A  296  1                                  16    
HELIX   17  17 ALA B    2  ARG B    6  5                                   5    
HELIX   18  18 ASP B   23  GLN B   37  1                                  15    
HELIX   19  19 GLU B   50  GLN B   54  5                                   5    
HELIX   20  20 SER B   55  LYS B   71  1                                  17    
HELIX   21  21 SER B   84  TYR B   98  1                                  15    
HELIX   22  22 SER B  114  ASP B  130  1                                  17    
HELIX   23  23 THR B  148  THR B  157  1                                  10    
HELIX   24  24 ASP B  170  HIS B  181  1                                  12    
HELIX   25  25 TYR B  190  PHE B  194  5                                   5    
HELIX   26  26 SER B  208  ILE B  212  5                                   5    
HELIX   27  27 ILE B  220  GLU B  226  1                                   7    
HELIX   28  28 ASP B  228  THR B  249  1                                  22    
HELIX   29  29 LEU B  255  MET B  262  1                                   8    
HELIX   30  30 ASP B  278  LYS B  280  5                                   3    
HELIX   31  31 TYR B  281  GLU B  295  1                                  15    
HELIX   32  32 ALA C    2  ARG C    6  5                                   5    
HELIX   33  33 ASP C   23  GLN C   37  1                                  15    
HELIX   34  34 GLU C   50  GLN C   54  5                                   5    
HELIX   35  35 SER C   55  LYS C   71  1                                  17    
HELIX   36  36 SER C   84  TYR C   98  1                                  15    
HELIX   37  37 SER C  114  ASP C  130  1                                  17    
HELIX   38  38 THR C  148  THR C  157  1                                  10    
HELIX   39  39 ASP C  170  HIS C  181  1                                  12    
HELIX   40  40 TYR C  190  PHE C  194  5                                   5    
HELIX   41  41 SER C  208  ILE C  212  5                                   5    
HELIX   42  42 ILE C  220  GLU C  226  1                                   7    
HELIX   43  43 ASP C  228  THR C  249  1                                  22    
HELIX   44  44 LEU C  255  MET C  262  1                                   8    
HELIX   45  45 ASP C  278  LYS C  280  5                                   3    
HELIX   46  46 TYR C  281  ARG C  296  1                                  16    
HELIX   47  47 HIS D    0  ARG D    6  5                                   7    
HELIX   48  48 ASP D   23  GLN D   37  1                                  15    
HELIX   49  49 GLU D   50  GLN D   54  5                                   5    
HELIX   50  50 SER D   55  LYS D   71  1                                  17    
HELIX   51  51 SER D   84  TYR D   98  1                                  15    
HELIX   52  52 SER D  114  ASP D  130  1                                  17    
HELIX   53  53 THR D  148  THR D  157  1                                  10    
HELIX   54  54 ASP D  170  HIS D  181  1                                  12    
HELIX   55  55 TYR D  190  PHE D  194  5                                   5    
HELIX   56  56 SER D  208  ILE D  212  5                                   5    
HELIX   57  57 ILE D  220  GLU D  226  1                                   7    
HELIX   58  58 ASP D  228  THR D  249  1                                  22    
HELIX   59  59 LEU D  255  MET D  262  1                                   8    
HELIX   60  60 ASP D  278  LYS D  280  5                                   3    
HELIX   61  61 TYR D  281  GLU D  295  1                                  15    
SHEET    1  AA 6 TYR A  43  VAL A  44  0                                        
SHEET    2  AA 6 ILE A  77  HIS A  79  1  O  ILE A  77   N  VAL A  44           
SHEET    3  AA 6 ALA A 102  VAL A 106  1  O  ALA A 102   N  ALA A  78           
SHEET    4  AA 6 MET A 134  ASN A 138  1  O  VAL A 135   N  ALA A 105           
SHEET    5  AA 6 LEU A 164  GLN A 166  1  O  KPI A 165   N  ASN A 138           
SHEET    6  AA 6 LEU A 186  TYR A 187  1  O  TYR A 187   N  GLN A 166           
SHEET    1  BA 6 TYR B  43  VAL B  44  0                                        
SHEET    2  BA 6 ILE B  77  HIS B  79  1  O  ILE B  77   N  VAL B  44           
SHEET    3  BA 6 ALA B 102  VAL B 106  1  O  ALA B 102   N  ALA B  78           
SHEET    4  BA 6 MET B 134  ASN B 138  1  O  VAL B 135   N  ALA B 105           
SHEET    5  BA 6 LEU B 164  GLN B 166  1  O  KPI B 165   N  ASN B 138           
SHEET    6  BA 6 LEU B 186  TYR B 187  1  O  TYR B 187   N  GLN B 166           
SHEET    1  CA 6 TYR C  43  VAL C  44  0                                        
SHEET    2  CA 6 ILE C  77  HIS C  79  1  O  ILE C  77   N  VAL C  44           
SHEET    3  CA 6 ALA C 102  VAL C 106  1  O  ALA C 102   N  ALA C  78           
SHEET    4  CA 6 MET C 134  ASN C 138  1  O  VAL C 135   N  ALA C 105           
SHEET    5  CA 6 LEU C 164  GLN C 166  1  O  KPI C 165   N  ASN C 138           
SHEET    6  CA 6 LEU C 186  TYR C 187  1  O  TYR C 187   N  GLN C 166           
SHEET    1  DA 6 TYR D  43  VAL D  44  0                                        
SHEET    2  DA 6 ILE D  77  HIS D  79  1  O  ILE D  77   N  VAL D  44           
SHEET    3  DA 6 ALA D 102  VAL D 106  1  O  ALA D 102   N  ALA D  78           
SHEET    4  DA 6 MET D 134  ASN D 138  1  O  VAL D 135   N  ALA D 105           
SHEET    5  DA 6 LEU D 164  GLN D 166  1  O  KPI D 165   N  ASN D 138           
SHEET    6  DA 6 LEU D 186  TYR D 187  1  O  TYR D 187   N  GLN D 166           
LINK         C   LEU A 164                 N   KPI A 165     1555   1555  1.33  
LINK         C   KPI A 165                 N   GLN A 166     1555   1555  1.33  
LINK         C   LEU B 164                 N   KPI B 165     1555   1555  1.34  
LINK         C   KPI B 165                 N   GLN B 166     1555   1555  1.33  
LINK         C   LEU C 164                 N   KPI C 165     1555   1555  1.33  
LINK         C   KPI C 165                 N   GLN C 166     1555   1555  1.33  
LINK         C   LEU D 164                 N   KPI D 165     1555   1555  1.33  
LINK         C   KPI D 165                 N   GLN D 166     1555   1555  1.33  
CISPEP   1 LYS A  272    PRO A  273          0        12.35                     
CISPEP   2 LYS B  272    PRO B  273          0        11.87                     
CISPEP   3 LYS C  272    PRO C  273          0        14.48                     
CISPEP   4 LYS D  272    PRO D  273          0        14.04                     
SITE     1 AC1  7 GLY D 189  ASP D 191  ASN D 192  SER D 208                    
SITE     2 AC1  7 ILE D 243  HOH D2171  HOH D2172                               
SITE     1 AC2  7 GLY C 189  TYR C 190  ASP C 191  ASN C 192                    
SITE     2 AC2  7 ILE C 243  HOH C2162  HOH C2163                               
SITE     1 AC3  3 HIS C 260  ASP C 263  HOH C2149                               
SITE     1 AC4  4 GLY D  72  LYS D  73  LYS D  75  ASP D 101                    
CRYST1   56.921  143.041   83.918  90.00 109.79  90.00 P 1 21 1      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017568  0.000000  0.006321        0.00000                         
SCALE2      0.000000  0.006991  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012664        0.00000