HEADER    LYASE                                   17-JUL-09   2WNQ              
TITLE     STRUCTURE OF THE E192N MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID LYASE
TITLE    2 IN SPACE GROUP P21                                                   
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 LYASE, N-ACETYLNEURAMINATE PYRUVATE-
COMPND   6 LYASE, SIALIC ACID LYASE, SIALATE LYASE, SIALIC ACID ALDOLASE,       
COMPND   7 NALASE;                                                              
COMPND   8 EC: 4.1.3.3;                                                         
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 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: 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                                 
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   4   13-DEC-23 2WNQ    1       REMARK                                   
REVDAT   3   17-NOV-10 2WNQ    1       JRNL                                     
REVDAT   2   22-SEP-10 2WNQ    1       KEYWDS JRNL                              
REVDAT   1   25-AUG-10 2WNQ    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.    1.80 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) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.95                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 105488                         
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) : 0.199                           
REMARK   3   R VALUE            (WORKING SET) : 0.197                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5446                            
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) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.84                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 6946                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.63                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2610                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 395                          
REMARK   3   BIN FREE R VALUE                    : 0.3910                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 9170                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 316                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 26.78                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.72                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 11.89000                                             
REMARK   3    B22 (A**2) : -1.42000                                             
REMARK   3    B33 (A**2) : -10.46000                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 7.32000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.029         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.030         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.108         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.887         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.922                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  9362 ; 0.011 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  6270 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 12682 ; 1.327 ; 1.971       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 15375 ; 0.927 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  1190 ; 6.279 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   414 ;40.570 ;24.758       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1626 ;15.082 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    47 ;20.803 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1442 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A): 10463 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  1812 ; 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):  5881 ; 0.581 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  2434 ; 0.144 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  9442 ; 0.980 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3481 ; 1.452 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  3237 ; 2.126 ; 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  TWIN DETAILS                                                        
REMARK   3   NUMBER OF TWIN DOMAINS  : 2                                        
REMARK   3      TWIN DOMAIN   : 1                                               
REMARK   3      TWIN OPERATOR : H,K,L                                           
REMARK   3      TWIN FRACTION : 0.537                                           
REMARK   3      TWIN DOMAIN   : 2                                               
REMARK   3      TWIN OPERATOR : -H,-K,H+L                                       
REMARK   3      TWIN FRACTION : 0.463                                           
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 2WNQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUL-09.                  
REMARK 100 THE DEPOSITION ID IS D_1290040416.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-MAY-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I04                                
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   : 110985                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.590                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
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   (%): 48.71                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS-HCL PH 8.2, 200 MM NACL,     
REMARK 280  18% PEG 3350                                                        
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       71.38500            
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: 9350 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 41400 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -102.2 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED RESIDUE IN CHAIN A, GLU 192 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN B, GLU 192 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN C, GLU 192 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN D, GLU 192 TO ASN                        
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     HIS A    -4                                                      
REMARK 465     HIS A    -3                                                      
REMARK 465     HIS A    -2                                                      
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     ALA B     2                                                      
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     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   OE1  GLN B   218     O    HOH B  2055              2.07            
REMARK 500   OH   TYR B    98     O    HOH B  2028              2.13            
REMARK 500   OD1  ASP C   203     O    HOH C  2067              2.14            
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    ASP A  17     -157.39    -84.57                                   
REMARK 500    LYS A  71      106.12    -38.63                                   
REMARK 500    TYR A 110      -64.24     73.89                                   
REMARK 500    MET A 213       35.79   -148.58                                   
REMARK 500    TYR B 110      -61.96     77.08                                   
REMARK 500    ASP B 130       61.39     66.98                                   
REMARK 500    ALA B 141      -80.96   -108.73                                   
REMARK 500    THR B 148     -126.14    -93.27                                   
REMARK 500    LEU B 149      -34.63   -133.91                                   
REMARK 500    MET B 213       46.29   -151.34                                   
REMARK 500    ALA C  70      -10.70   -141.29                                   
REMARK 500    TYR C 110      -67.05     71.00                                   
REMARK 500    ALA C 163      152.84    179.62                                   
REMARK 500    MET C 213       39.23   -144.17                                   
REMARK 500    TYR D 110      -71.19     71.43                                   
REMARK 500    ASN D 138      -65.90   -120.37                                   
REMARK 500    ILE D 139       58.78     25.07                                   
REMARK 500    MET D 213       39.35   -154.99                                   
REMARK 500    GLU D 226       30.00    -93.86                                   
REMARK 500    PRO D 268       35.38    -95.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 TYR D  137     ASN D  138                  147.42                    
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 CL A 1298                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 1297                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL C 1297                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL D 1296                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
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                              
REMARK 900 RELATED ID: 2WNZ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE E192N MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID     
REMARK 900 LYASE IN COMPLEX WITH PYRUVATE IN SPACE GROUP P21 CRYSTAL FORM I     
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 ALTERNATE LOCI RESULTS IN FOLLOWING DIFFERENCES, T84 IN              
REMARK 999 P0A6L4 IS S84 HERE, G70 IN P0A6L4 IS A70 HERE, Q282 IN               
REMARK 999 P0A6L4 IS L282 HERE.                                                 
DBREF  2WNQ A    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
DBREF  2WNQ B    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
DBREF  2WNQ C    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
DBREF  2WNQ D    2   297  UNP    P0A6L4   NANA_ECOLI       2    297             
SEQADV 2WNQ MET A   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ GLU A   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS A   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS A   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS A   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS A   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS A    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS A    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ ASN A  192  UNP  P0A6L4    GLU   192 ENGINEERED MUTATION            
SEQADV 2WNQ MET B   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ GLU B   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS B   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS B   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS B   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS B   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS B    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS B    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ ASN B  192  UNP  P0A6L4    GLU   192 ENGINEERED MUTATION            
SEQADV 2WNQ MET C   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ GLU C   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS C   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS C   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS C   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS C   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS C    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS C    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ ASN C  192  UNP  P0A6L4    GLU   192 ENGINEERED MUTATION            
SEQADV 2WNQ MET D   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ GLU D   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS D   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS D   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS D   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS D   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS D    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ HIS D    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNQ ASN D  192  UNP  P0A6L4    GLU   192 ENGINEERED MUTATION            
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 LYS 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 LYS 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 LYS 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 LYS 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                                          
HET     CL  A1298       1                                                       
HET     CL  B1297       1                                                       
HET     CL  C1297       1                                                       
HET     CL  D1296       1                                                       
HETNAM      CL CHLORIDE ION                                                     
FORMUL   5   CL    4(CL 1-)                                                     
FORMUL   9  HOH   *316(H2 O)                                                    
HELIX    1   1 HIS A   -1  ARG A    6  5                                   8    
HELIX    2   2 ASP A   23  GLN A   36  1                                  14    
HELIX    3   3 GLU A   50  GLN A   54  5                                   5    
HELIX    4   4 SER A   55  LYS A   71  1                                  17    
HELIX    5   5 SER A   84  TYR A   98  1                                  15    
HELIX    6   6 SER A  114  ASP A  130  1                                  17    
HELIX    7   7 THR A  148  THR A  157  1                                  10    
HELIX    8   8 ASP A  170  HIS A  181  1                                  12    
HELIX    9   9 TYR A  190  PHE A  194  5                                   5    
HELIX   10  10 SER A  208  ILE A  212  5                                   5    
HELIX   11  11 ILE A  220  GLU A  226  1                                   7    
HELIX   12  12 ASP A  228  THR A  249  1                                  22    
HELIX   13  13 LEU A  255  MET A  262  1                                   8    
HELIX   14  14 ASP A  278  LYS A  280  5                                   3    
HELIX   15  15 TYR A  281  ARG A  296  1                                  16    
HELIX   16  16 ASP B   23  GLN B   37  1                                  15    
HELIX   17  17 GLU B   50  GLN B   54  5                                   5    
HELIX   18  18 SER B   55  LYS B   71  1                                  17    
HELIX   19  19 SER B   84  TYR B   98  1                                  15    
HELIX   20  20 SER B  114  ASP B  130  1                                  17    
HELIX   21  21 LEU B  149  THR B  157  1                                   9    
HELIX   22  22 ASP B  170  HIS B  181  1                                  12    
HELIX   23  23 TYR B  190  PHE B  194  5                                   5    
HELIX   24  24 SER B  208  ILE B  212  5                                   5    
HELIX   25  25 ILE B  220  GLU B  226  1                                   7    
HELIX   26  26 ASP B  228  THR B  249  1                                  22    
HELIX   27  27 LEU B  255  MET B  262  1                                   8    
HELIX   28  28 ASP B  278  LYS B  280  5                                   3    
HELIX   29  29 TYR B  281  GLU B  295  1                                  15    
HELIX   30  30 HIS C    1  ARG C    6  5                                   6    
HELIX   31  31 ASP C   23  GLN C   37  1                                  15    
HELIX   32  32 GLU C   50  GLN C   54  5                                   5    
HELIX   33  33 SER C   55  LYS C   71  1                                  17    
HELIX   34  34 SER C   84  TYR C   98  1                                  15    
HELIX   35  35 SER C  114  ASP C  130  1                                  17    
HELIX   36  36 THR C  148  LEU C  158  1                                  11    
HELIX   37  37 ASP C  170  HIS C  181  1                                  12    
HELIX   38  38 TYR C  190  PHE C  194  5                                   5    
HELIX   39  39 SER C  208  ILE C  212  5                                   5    
HELIX   40  40 ILE C  220  GLU C  226  1                                   7    
HELIX   41  41 ASP C  228  THR C  249  1                                  22    
HELIX   42  42 LEU C  255  MET C  262  1                                   8    
HELIX   43  43 ASP C  278  LYS C  280  5                                   3    
HELIX   44  44 TYR C  281  GLU C  295  1                                  15    
HELIX   45  45 HIS D   -1  ARG D    6  5                                   8    
HELIX   46  46 ASP D   23  GLN D   37  1                                  15    
HELIX   47  47 GLU D   50  GLN D   54  5                                   5    
HELIX   48  48 SER D   55  LYS D   71  1                                  17    
HELIX   49  49 SER D   84  TYR D   98  1                                  15    
HELIX   50  50 SER D  114  ALA D  129  1                                  16    
HELIX   51  51 THR D  148  LEU D  158  1                                  11    
HELIX   52  52 ASP D  170  HIS D  181  1                                  12    
HELIX   53  53 TYR D  190  PHE D  194  5                                   5    
HELIX   54  54 SER D  208  ILE D  212  5                                   5    
HELIX   55  55 ILE D  220  GLU D  226  1                                   7    
HELIX   56  56 ASP D  228  THR D  249  1                                  22    
HELIX   57  57 LEU D  255  MET D  262  1                                   8    
HELIX   58  58 ASP D  278  LYS D  280  5                                   3    
HELIX   59  59 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  LYS 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  SER B 104  1  O  ALA B 102   N  ALA B  78           
SHEET    4  BA 6 MET B 134  ASN B 138  1  N  VAL B 135   O  VAL B 103           
SHEET    5  BA 6 LEU B 164  GLN B 166  1  O  LYS 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  ALA C 105  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  LYS 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 4 TYR D  43  VAL D  44  0                                        
SHEET    2  DA 4 ILE D  77  HIS D  79  1  O  ILE D  77   N  VAL D  44           
SHEET    3  DA 4 ALA D 102  SER D 104  1  O  ALA D 102   N  ALA D  78           
SHEET    4  DA 4 MET D 134  VAL D 135  1  N  VAL D 135   O  VAL D 103           
SHEET    1  DB 2 LEU D 164  LYS D 165  0                                        
SHEET    2  DB 2 LEU D 186  TYR D 187  1  N  TYR D 187   O  LEU D 164           
CISPEP   1 LYS A  272    PRO A  273          0        11.66                     
CISPEP   2 LYS B  272    PRO B  273          0        20.03                     
CISPEP   3 LYS C  272    PRO C  273          0        15.38                     
CISPEP   4 LYS D  272    PRO D  273          0        13.79                     
SITE     1 AC1  4 SER A  47  THR A  48  TYR A 137  LYS A 165                    
SITE     1 AC2  5 TYR B  43  GLY B  46  SER B  47  THR B  48                    
SITE     2 AC2  5 LYS B 165                                                     
SITE     1 AC3  4 TYR C  43  SER C  47  THR C  48  LYS C 165                    
SITE     1 AC4  3 SER D  47  THR D  48  LYS D 165                               
CRYST1   54.630  142.770   84.487  90.00 108.99  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      0.018305  0.000000  0.006299        0.00000                         
SCALE2      0.000000  0.007004  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012517        0.00000