HEADER    LYASE                                   13-JUL-09   2WNN              
TITLE     STRUCTURE OF WILD TYPE E. COLI N-ACETYLNEURAMINIC ACID LYASE IN       
TITLE    2 COMPLEX WITH PYRUVATE 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 2-296;                                            
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 OTHER_DETAILS: SCHIFF BASE BETWEEN LYS165 AND PYRUVATE IN ALL CHAINS 
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    CARBOHYDRATE METABOLISM, LYASE                                        
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   5   13-DEC-23 2WNN    1       REMARK LINK                              
REVDAT   4   17-NOV-10 2WNN    1       JRNL                                     
REVDAT   3   22-SEP-10 2WNN    1       JRNL   REMARK                            
REVDAT   2   01-SEP-10 2WNN    1       VERSN                                    
REVDAT   1   25-AUG-10 2WNN    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.    1.65 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) : 1.65                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 79.07                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 125055                         
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) : 0.212                           
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 6596                            
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) : 1.65                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.69                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5255                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 52.24                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2580                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 308                          
REMARK   3   BIN FREE R VALUE                    : 0.3460                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 9120                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 31                                      
REMARK   3   SOLVENT ATOMS            : 758                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.85                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.19                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 20.22000                                             
REMARK   3    B22 (A**2) : -3.37000                                             
REMARK   3    B33 (A**2) : -16.85000                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 4.67000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.026         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.026         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.121         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.980         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.945                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.924                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  9366 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  6260 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 12681 ; 1.404 ; 1.979       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 15320 ; 0.930 ; 3.001       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  1197 ; 6.112 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   408 ;39.871 ;24.902       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1620 ;13.992 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    44 ;20.705 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1437 ; 0.079 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A): 10460 ; 0.007 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  1796 ; 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):  5873 ; 0.683 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  2431 ; 0.186 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  9422 ; 1.097 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3493 ; 1.736 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  3250 ; 2.434 ; 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 : 0.666                                           
REMARK   3      TWIN DOMAIN   : 2                                               
REMARK   3      TWIN OPERATOR : -H,-K,H+L                                       
REMARK   3      TWIN FRACTION : 0.334                                           
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. SIDE CHAINS FOR A1,       
REMARK   3  A116, B3, C3, C116 WERE TRIMMED AS NO DENSITY WAS VISIBLE FOR       
REMARK   3  THESE ATOMS.                                                        
REMARK   4                                                                      
REMARK   4 2WNN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-JUL-09.                  
REMARK 100 THE DEPOSITION ID IS D_1290040378.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-MAY-08                          
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                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92                               
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   : 131694                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.650                              
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     (%) : 91.2                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 60.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2WKJ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
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       71.22800            
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: 10240 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 39820 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.3 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     HIS A    -4                                                      
REMARK 465     HIS A    -3                                                      
REMARK 465     GLN A   294                                                      
REMARK 465     GLU A   295                                                      
REMARK 465     ARG A   296                                                      
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     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     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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     HIS A   1    ND1  CD2  CE1  NE2                                  
REMARK 470     GLU A 116    CD   OE1  OE2                                       
REMARK 470     THR B   3    CB   OG1  CG2                                       
REMARK 470     ARG B 296    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     THR C   3    CB   OG1  CG2                                       
REMARK 470     GLU C 116    CG   CD   OE1  OE2                                  
REMARK 470     ARG C 296    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS D   0    CB   CG   ND1  CD2  CE1  NE2                        
REMARK 470     HIS D   1    CB   CG   ND1  CD2  CE1  NE2                        
REMARK 470     GLN D 294    CB   CG   CD   OE1  NE2                             
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   OG   SER C   196     O    HOH C  2147              1.96            
REMARK 500   OD2  ASP B   170     OH7  1PE B  1299              2.07            
REMARK 500   NH2  ARG D    97     O    HOH D  2094              2.12            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLN A  20       -0.73     73.01                                   
REMARK 500    TYR A 110      -76.36     74.92                                   
REMARK 500    GLU A 192       -8.73    -56.64                                   
REMARK 500    MET A 213       43.44   -163.16                                   
REMARK 500    MET A 213       40.67   -161.86                                   
REMARK 500    GLN B  37       -7.32    -52.17                                   
REMARK 500    GLN B  37       -5.34    -54.07                                   
REMARK 500    TYR B 110      -69.39     73.25                                   
REMARK 500    MET B 213       43.46   -157.01                                   
REMARK 500    ALA C  11       96.11    -62.71                                   
REMARK 500    TYR C 110      -70.06     72.84                                   
REMARK 500    MET C 213       34.60   -155.75                                   
REMARK 500    PRO C 268       41.59    -82.15                                   
REMARK 500    TYR D 110      -73.66     74.00                                   
REMARK 500    MET D 213       34.58   -153.31                                   
REMARK 500    MET D 213       37.76   -154.75                                   
REMARK 500    PRO D 268       41.48    -83.95                                   
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 A2031        DISTANCE =  5.96 ANGSTROMS                       
REMARK 525    HOH B2011        DISTANCE =  6.78 ANGSTROMS                       
REMARK 525    HOH B2051        DISTANCE =  5.95 ANGSTROMS                       
REMARK 525    HOH C2065        DISTANCE =  6.46 ANGSTROMS                       
REMARK 525    HOH D2010        DISTANCE =  6.44 ANGSTROMS                       
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 POLYETHYLENE GLYCOL (1PE): POLYETHYLENE GLYCOL 400 USED AS           
REMARK 600  CRYOPROTECTANT, PARTIAL PEG 400 CHAINS VISIBLE IN THE               
REMARK 600  DENSITY                                                             
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     1PE B 1298                                                       
REMARK 610     1PE C 1297                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE B 1298                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE B 1299                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE C 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: 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: 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 THE RECOMBINANT PROTEIN USED IN THIS STUDY HAS A                     
REMARK 999 HEXAHISTIDINE TAG RESULTING IN AN N-TERMINAL SEQUENCE OF             
REMARK 999 MEHHHHHHATN INSTEAD OF THE WILD TYPE SEQUENCE MATN                   
DBREF  2WNN A    2   296  UNP    P0A6L4   NANA_ECOLI       2    296             
DBREF  2WNN B    2   296  UNP    P0A6L4   NANA_ECOLI       2    296             
DBREF  2WNN C    2   296  UNP    P0A6L4   NANA_ECOLI       2    296             
DBREF  2WNN D    2   296  UNP    P0A6L4   NANA_ECOLI       2    296             
SEQADV 2WNN MET A   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN GLU A   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS A   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS A   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS A   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS A   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS A    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS A    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN MET B   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN GLU B   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS B   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS B   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS B   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS B   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS B    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS B    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN MET C   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN GLU C   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS C   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS C   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS C   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS C   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS C    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS C    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN MET D   -6  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN GLU D   -5  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS D   -4  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS D   -3  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS D   -2  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS D   -1  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS D    0  UNP  P0A6L4              EXPRESSION TAG                 
SEQADV 2WNN HIS D    1  UNP  P0A6L4              EXPRESSION TAG                 
SEQRES   1 A  303  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 A  303  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 A  303  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 A  303  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 A  303  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 A  303  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 A  303  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 A  303  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 A  303  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 A  303  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 A  303  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 A  303  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 A  303  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 A  303  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 A  303  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 A  303  GLY TYR ASP GLU ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 A  303  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 A  303  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 A  303  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 A  303  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 A  303  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 A  303  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 A  303  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 A  303  MET GLN GLU ARG                                              
SEQRES   1 B  303  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 B  303  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 B  303  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 B  303  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 B  303  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 B  303  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 B  303  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 B  303  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 B  303  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 B  303  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 B  303  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 B  303  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 B  303  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 B  303  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 B  303  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 B  303  GLY TYR ASP GLU ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 B  303  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 B  303  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 B  303  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 B  303  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 B  303  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 B  303  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 B  303  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 B  303  MET GLN GLU ARG                                              
SEQRES   1 C  303  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 C  303  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 C  303  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 C  303  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 C  303  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 C  303  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 C  303  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 C  303  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 C  303  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 C  303  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 C  303  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 C  303  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 C  303  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 C  303  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 C  303  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 C  303  GLY TYR ASP GLU ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 C  303  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 C  303  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 C  303  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 C  303  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 C  303  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 C  303  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 C  303  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 C  303  MET GLN GLU ARG                                              
SEQRES   1 D  303  MET GLU HIS HIS HIS HIS HIS HIS ALA THR ASN LEU ARG          
SEQRES   2 D  303  GLY VAL MET ALA ALA LEU LEU THR PRO PHE ASP GLN GLN          
SEQRES   3 D  303  GLN ALA LEU ASP LYS ALA SER LEU ARG ARG LEU VAL GLN          
SEQRES   4 D  303  PHE ASN ILE GLN GLN GLY ILE ASP GLY LEU TYR VAL GLY          
SEQRES   5 D  303  GLY SER THR GLY GLU ALA PHE VAL GLN SER LEU SER GLU          
SEQRES   6 D  303  ARG GLU GLN VAL LEU GLU ILE VAL ALA GLU GLU ALA LYS          
SEQRES   7 D  303  GLY LYS ILE LYS LEU ILE ALA HIS VAL GLY CYS VAL SER          
SEQRES   8 D  303  THR ALA GLU SER GLN GLN LEU ALA ALA SER ALA LYS ARG          
SEQRES   9 D  303  TYR GLY PHE ASP ALA VAL SER ALA VAL THR PRO PHE TYR          
SEQRES  10 D  303  TYR PRO PHE SER PHE GLU GLU HIS CYS ASP HIS TYR ARG          
SEQRES  11 D  303  ALA ILE ILE ASP SER ALA ASP GLY LEU PRO MET VAL VAL          
SEQRES  12 D  303  TYR ASN ILE PRO ALA LEU SER GLY VAL LYS LEU THR LEU          
SEQRES  13 D  303  ASP GLN ILE ASN THR LEU VAL THR LEU PRO GLY VAL GLY          
SEQRES  14 D  303  ALA LEU KPI GLN THR SER GLY ASP LEU TYR GLN MET GLU          
SEQRES  15 D  303  GLN ILE ARG ARG GLU HIS PRO ASP LEU VAL LEU TYR ASN          
SEQRES  16 D  303  GLY TYR ASP GLU ILE PHE ALA SER GLY LEU LEU ALA GLY          
SEQRES  17 D  303  ALA ASP GLY GLY ILE GLY SER THR TYR ASN ILE MET GLY          
SEQRES  18 D  303  TRP ARG TYR GLN GLY ILE VAL LYS ALA LEU LYS GLU GLY          
SEQRES  19 D  303  ASP ILE GLN THR ALA GLN LYS LEU GLN THR GLU CYS ASN          
SEQRES  20 D  303  LYS VAL ILE ASP LEU LEU ILE LYS THR GLY VAL PHE ARG          
SEQRES  21 D  303  GLY LEU LYS THR VAL LEU HIS TYR MET ASP VAL VAL SER          
SEQRES  22 D  303  VAL PRO LEU CYS ARG LYS PRO PHE GLY PRO VAL ASP GLU          
SEQRES  23 D  303  LYS TYR LEU PRO GLU LEU LYS ALA LEU ALA GLN GLN LEU          
SEQRES  24 D  303  MET GLN GLU ARG                                              
MODRES 2WNN KPI A  165  LYS                                                     
MODRES 2WNN KPI B  165  LYS                                                     
MODRES 2WNN KPI C  165  LYS                                                     
MODRES 2WNN 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     NA  B1297       1                                                       
HET    1PE  B1298       7                                                       
HET    1PE  B1299      16                                                       
HET    1PE  C1297       7                                                       
HETNAM     KPI (2S)-2-AMINO-6-[(1-HYDROXY-1-OXO-PROPAN-2-YLIDENE)               
HETNAM   2 KPI  AMINO]HEXANOIC ACID                                             
HETNAM      NA SODIUM ION                                                       
HETNAM     1PE PENTAETHYLENE GLYCOL                                             
HETSYN     1PE PEG400                                                           
FORMUL   1  KPI    4(C9 H16 N2 O4)                                              
FORMUL   5   NA    NA 1+                                                        
FORMUL   6  1PE    3(C10 H22 O6)                                                
FORMUL   9  HOH   *758(H2 O)                                                    
HELIX    1   1 ALA A    2  ARG A    6  5                                   5    
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  MET A  293  1                                  13    
HELIX   16  16 ALA B    2  ARG B    6  5                                   5    
HELIX   17  17 ASP B   23  GLN B   37  1                                  15    
HELIX   18  18 GLU B   50  GLN B   54  5                                   5    
HELIX   19  19 SER B   55  LYS B   71  1                                  17    
HELIX   20  20 SER B   84  TYR B   98  1                                  15    
HELIX   21  21 SER B  114  ASP B  130  1                                  17    
HELIX   22  22 THR B  148  LEU B  158  1                                  11    
HELIX   23  23 ASP B  170  HIS B  181  1                                  12    
HELIX   24  24 TYR B  190  PHE B  194  5                                   5    
HELIX   25  25 SER B  208  ILE B  212  5                                   5    
HELIX   26  26 ILE B  220  GLU B  226  1                                   7    
HELIX   27  27 ASP B  228  THR B  249  1                                  22    
HELIX   28  28 LEU B  255  MET B  262  1                                   8    
HELIX   29  29 ASP B  278  LYS B  280  5                                   3    
HELIX   30  30 TYR B  281  ARG B  296  1                                  16    
HELIX   31  31 ALA C    2  ARG C    6  5                                   5    
HELIX   32  32 ASP C   23  GLN C   37  1                                  15    
HELIX   33  33 GLU C   50  GLN C   54  5                                   5    
HELIX   34  34 SER C   55  LYS C   71  1                                  17    
HELIX   35  35 SER C   84  TYR C   98  1                                  15    
HELIX   36  36 SER C  114  ALA C  129  1                                  16    
HELIX   37  37 THR C  148  LEU C  158  1                                  11    
HELIX   38  38 ASP C  170  HIS C  181  1                                  12    
HELIX   39  39 TYR C  190  PHE C  194  5                                   5    
HELIX   40  40 SER C  208  ILE C  212  5                                   5    
HELIX   41  41 ILE C  220  GLU C  226  1                                   7    
HELIX   42  42 ASP C  228  THR C  249  1                                  22    
HELIX   43  43 LEU C  255  MET C  262  1                                   8    
HELIX   44  44 ASP C  278  LYS C  280  5                                   3    
HELIX   45  45 TYR C  281  ARG C  296  1                                  16    
HELIX   46  46 HIS D   -1  ARG D    6  5                                   8    
HELIX   47  47 ASP D   23  GLN D   37  1                                  15    
HELIX   48  48 GLU D   50  GLN D   54  5                                   5    
HELIX   49  49 SER D   55  LYS D   71  1                                  17    
HELIX   50  50 SER D   84  TYR D   98  1                                  15    
HELIX   51  51 SER D  114  ALA D  129  1                                  16    
HELIX   52  52 THR D  148  VAL D  156  1                                   9    
HELIX   53  53 ASP D  170  HIS D  181  1                                  12    
HELIX   54  54 TYR D  190  PHE D  194  5                                   5    
HELIX   55  55 SER D  208  ILE D  212  5                                   5    
HELIX   56  56 ILE D  220  GLU D  226  1                                   7    
HELIX   57  57 ASP D  228  THR D  249  1                                  22    
HELIX   58  58 LEU D  255  MET D  262  1                                   8    
HELIX   59  59 ASP D  278  LYS D  280  5                                   3    
HELIX   60  60 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  1.32  
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  1.32  
LINK         C   KPI C 165                 N   GLN C 166     1555   1555  1.33  
LINK         C   LEU D 164                 N   KPI D 165     1555   1555  1.34  
LINK         C   KPI D 165                 N   GLN D 166     1555   1555  1.33  
CISPEP   1 LYS A  272    PRO A  273          0         7.08                     
CISPEP   2 LYS B  272    PRO B  273          0        12.39                     
CISPEP   3 LYS C  272    PRO C  273          0        12.99                     
CISPEP   4 LYS D  272    PRO D  273          0        17.57                     
SITE     1 AC1  6 PRO B 140  ALA B 141  GLY B 144  LYS B 146                    
SITE     2 AC1  6 HOH B2109  ALA C 141                                          
SITE     1 AC2 10 PRO B 140  SER B 168  GLY B 169  ASP B 170                    
SITE     2 AC2 10 GLN B 173  TYR B 190  GLU B 192  HOH B2192                    
SITE     3 AC2 10 HOH B2194  ASP D 170                                          
SITE     1 AC3  7 GLY A 169  GLU A 192  ILE A 193  GLY C 169                    
SITE     2 AC3  7 ASP C 170  LEU C 171  TYR C 172                               
CRYST1   54.693  142.456   83.626  90.00 109.16  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      0.018284  0.000000  0.006353        0.00000                         
SCALE2      0.000000  0.007020  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012659        0.00000