PDB Short entry for 2F29
HEADER    HYDROLASE                               15-NOV-05   2F29              
TITLE     CRYSTAL STRUCTURE OF THE HUMAN SIALIDASE NEU2 Q116E MUTANT IN COMPLEX 
TITLE    2 WITH DANA INHIBITOR                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SIALIDASE 2;                                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: NEU2, CYTOSOLIC SIALIDASE, N-ACETYL-ALPHA- NEURAMINIDASE 2; 
COMPND   5 EC: 3.2.1.18;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PGEX-2T                                   
KEYWDS    SIALIDASE, NEURAMINIDASE, GANGLIOSIDE, DRUG DESIGN, HYDROLASE         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.M.G.CHAVAS,R.KATO,P.FUSI,C.TRINGALI,B.VENERANDO,G.TETTAMANTI,       
AUTHOR   2 E.MONTI,S.WAKATSUKI                                                  
REVDAT   5   25-OCT-23 2F29    1       REMARK                                   
REVDAT   4   10-NOV-21 2F29    1       SEQADV HETSYN                            
REVDAT   3   29-JUL-20 2F29    1       REMARK SEQADV SITE                       
REVDAT   2   24-FEB-09 2F29    1       VERSN                                    
REVDAT   1   21-NOV-06 2F29    0                                                
JRNL        AUTH   L.M.G.CHAVAS,R.KATO,P.FUSI,C.TRINGALI,B.VENERANDO,           
JRNL        AUTH 2 G.TETTAMANTI,E.MONTI,S.WAKATSUKI                             
JRNL        TITL   CRYSTAL STRUCTURE OF THE HUMAN SIALIDASE NEU2 Q116E MUTANT   
JRNL        TITL 2 IN COMPLEX WITH DANA INHIBITOR                               
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.92 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.92                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 79.06                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 19087                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.265                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 980                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5830                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 100                                     
REMARK   3   SOLVENT ATOMS            : 75                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.65                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 11.32600                                             
REMARK   3    B22 (A**2) : -19.10600                                            
REMARK   3    B33 (A**2) : 7.78100                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 3.25300                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.445                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 43.96                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : CARBOHYDRATE.PARAM                             
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : DANA_HEPES_REP.PARAM                           
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2F29 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-NOV-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000035362.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-NOV-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : AR-NW12A                           
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9744                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19087                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 79.060                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.10900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32500                            
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: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1SNT                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2-METHYL-2,4-PENTANEDIOL, GUANIDINE      
REMARK 280  HYDROCHLORIDE, 2-DEOXY-2,3-DEHYDRO-N-ACETYLNEURAMINIC ACID, PH      
REMARK 280  7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       78.64500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.99000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       78.64500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       36.99000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL UNIT IS A MONOMER. THERE ARE 2 BIOLOGICAL     
REMARK 300 UNITS IN THE ASYMMETRIC UNIT (CHAIN A AND CHAIN B)                   
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLY A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     THR A   226                                                      
REMARK 465     GLY A   227                                                      
REMARK 465     GLU A   228                                                      
REMARK 465     SER A   284                                                      
REMARK 465     GLY A   285                                                      
REMARK 465     PRO A   286                                                      
REMARK 465     GLY A   287                                                      
REMARK 465     LEU A   378                                                      
REMARK 465     PRO A   379                                                      
REMARK 465     GLN A   380                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     SER B     0                                                      
REMARK 465     THR B   226                                                      
REMARK 465     GLY B   227                                                      
REMARK 465     GLU B   228                                                      
REMARK 465     SER B   284                                                      
REMARK 465     GLY B   285                                                      
REMARK 465     PRO B   286                                                      
REMARK 465     GLY B   287                                                      
REMARK 465     LEU B   378                                                      
REMARK 465     PRO B   379                                                      
REMARK 465     GLN B   380                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO A 268   C   -  N   -  CA  ANGL. DEV. =  11.3 DEGREES          
REMARK 500    PRO B 268   C   -  N   -  CA  ANGL. DEV. =  14.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLN A   8      135.25   -172.00                                   
REMARK 500    ILE A  22       72.89     52.32                                   
REMARK 500    GLU A  47      -10.11    -46.12                                   
REMARK 500    GLU A  50      -70.89   -138.47                                   
REMARK 500    ASN A  86       90.26     66.63                                   
REMARK 500    ASP A 131       52.13   -118.13                                   
REMARK 500    ILE A 147      -98.00   -118.46                                   
REMARK 500    CYS A 164     -157.83    -88.05                                   
REMARK 500    ARG A 170       -3.38    -53.89                                   
REMARK 500    ALA A 171       19.15   -146.08                                   
REMARK 500    ARG A 172       79.16     36.44                                   
REMARK 500    ALA A 207      140.91   -175.22                                   
REMARK 500    VAL A 212     -163.03   -113.29                                   
REMARK 500    ASP A 215       44.55     71.88                                   
REMARK 500    LEU A 217     -137.83   -113.87                                   
REMARK 500    ALA A 242     -157.41   -131.08                                   
REMARK 500    GLU A 257       21.92     46.79                                   
REMARK 500    VAL A 265      174.85    -56.84                                   
REMARK 500    PRO A 268      -74.18    -21.77                                   
REMARK 500    PRO A 269      -93.55    -48.61                                   
REMARK 500    ASP A 306       80.36     52.31                                   
REMARK 500    ALA A 333     -138.54   -140.26                                   
REMARK 500    TYR A 334      137.06    -38.90                                   
REMARK 500    GLU A 376       32.54    -69.03                                   
REMARK 500    ILE B  22       67.77     64.15                                   
REMARK 500    GLU B  50      -69.39   -135.48                                   
REMARK 500    ARG B  78      174.16    169.92                                   
REMARK 500    ASP B  80      106.01    -16.85                                   
REMARK 500    ASN B  86       72.33     59.34                                   
REMARK 500    ASP B 131       52.21   -117.27                                   
REMARK 500    HIS B 132       19.04     48.29                                   
REMARK 500    THR B 156      159.06    179.75                                   
REMARK 500    ASN B 168       39.98    -99.44                                   
REMARK 500    PHE B 195      177.32    171.00                                   
REMARK 500    ALA B 213      130.87    -22.59                                   
REMARK 500    GLN B 214      158.02    -31.93                                   
REMARK 500    LEU B 217     -144.16   -105.61                                   
REMARK 500    VAL B 265      178.08    -53.85                                   
REMARK 500    PRO B 268      -58.43    -27.18                                   
REMARK 500    PRO B 269      -88.11    -58.92                                   
REMARK 500    ASP B 306       76.85     56.66                                   
REMARK 500    PRO B 316       48.37   -103.40                                   
REMARK 500    SER B 331      109.74    -46.13                                   
REMARK 500    ALA B 333     -126.80   -126.77                                   
REMARK 500    ASN B 357       76.16     43.98                                   
REMARK 500    GLU B 361      149.68   -179.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1SNT   RELATED DB: PDB                                   
REMARK 900 HUMAN NEU2 APO-FORM                                                  
REMARK 900 RELATED ID: 1SO7   RELATED DB: PDB                                   
REMARK 900 HUMAN NEU2 SUGAR-INDUCED FORM                                        
REMARK 900 RELATED ID: 1VCU   RELATED DB: PDB                                   
REMARK 900 HUMAN NEU2-DANA COMPLEX                                              
REMARK 900 RELATED ID: 2F0Z   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F10   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F11   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F12   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F13   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F24   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F25   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F26   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F27   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2F28   RELATED DB: PDB                                   
DBREF  2F29 A    1   380  UNP    Q9Y3R4   NEUR2_HUMAN      1    380             
DBREF  2F29 B    1   380  UNP    Q9Y3R4   NEUR2_HUMAN      1    380             
SEQADV 2F29 GLY A   -1  UNP  Q9Y3R4              CLONING ARTIFACT               
SEQADV 2F29 SER A    0  UNP  Q9Y3R4              CLONING ARTIFACT               
SEQADV 2F29 GLU A  116  UNP  Q9Y3R4    GLN   116 ENGINEERED MUTATION            
SEQADV 2F29 GLY B   -1  UNP  Q9Y3R4              CLONING ARTIFACT               
SEQADV 2F29 SER B    0  UNP  Q9Y3R4              CLONING ARTIFACT               
SEQADV 2F29 GLU B  116  UNP  Q9Y3R4    GLN   116 ENGINEERED MUTATION            
SEQRES   1 A  382  GLY SER MET ALA SER LEU PRO VAL LEU GLN LYS GLU SER          
SEQRES   2 A  382  VAL PHE GLN SER GLY ALA HIS ALA TYR ARG ILE PRO ALA          
SEQRES   3 A  382  LEU LEU TYR LEU PRO GLY GLN GLN SER LEU LEU ALA PHE          
SEQRES   4 A  382  ALA GLU GLN ARG ALA SER LYS LYS ASP GLU HIS ALA GLU          
SEQRES   5 A  382  LEU ILE VAL LEU ARG ARG GLY ASP TYR ASP ALA PRO THR          
SEQRES   6 A  382  HIS GLN VAL GLN TRP GLN ALA GLN GLU VAL VAL ALA GLN          
SEQRES   7 A  382  ALA ARG LEU ASP GLY HIS ARG SER MET ASN PRO CYS PRO          
SEQRES   8 A  382  LEU TYR ASP ALA GLN THR GLY THR LEU PHE LEU PHE PHE          
SEQRES   9 A  382  ILE ALA ILE PRO GLY GLN VAL THR GLU GLN GLN GLN LEU          
SEQRES  10 A  382  GLU THR ARG ALA ASN VAL THR ARG LEU CYS GLN VAL THR          
SEQRES  11 A  382  SER THR ASP HIS GLY ARG THR TRP SER SER PRO ARG ASP          
SEQRES  12 A  382  LEU THR ASP ALA ALA ILE GLY PRO ALA TYR ARG GLU TRP          
SEQRES  13 A  382  SER THR PHE ALA VAL GLY PRO GLY HIS CYS LEU GLN LEU          
SEQRES  14 A  382  ASN ASP ARG ALA ARG SER LEU VAL VAL PRO ALA TYR ALA          
SEQRES  15 A  382  TYR ARG LYS LEU HIS PRO ILE GLN ARG PRO ILE PRO SER          
SEQRES  16 A  382  ALA PHE CYS PHE LEU SER HIS ASP HIS GLY ARG THR TRP          
SEQRES  17 A  382  ALA ARG GLY HIS PHE VAL ALA GLN ASP THR LEU GLU CYS          
SEQRES  18 A  382  GLN VAL ALA GLU VAL GLU THR GLY GLU GLN ARG VAL VAL          
SEQRES  19 A  382  THR LEU ASN ALA ARG SER HIS LEU ARG ALA ARG VAL GLN          
SEQRES  20 A  382  ALA GLN SER THR ASN ASP GLY LEU ASP PHE GLN GLU SER          
SEQRES  21 A  382  GLN LEU VAL LYS LYS LEU VAL GLU PRO PRO PRO GLN GLY          
SEQRES  22 A  382  CYS GLN GLY SER VAL ILE SER PHE PRO SER PRO ARG SER          
SEQRES  23 A  382  GLY PRO GLY SER PRO ALA GLN TRP LEU LEU TYR THR HIS          
SEQRES  24 A  382  PRO THR HIS SER TRP GLN ARG ALA ASP LEU GLY ALA TYR          
SEQRES  25 A  382  LEU ASN PRO ARG PRO PRO ALA PRO GLU ALA TRP SER GLU          
SEQRES  26 A  382  PRO VAL LEU LEU ALA LYS GLY SER CYS ALA TYR SER ASP          
SEQRES  27 A  382  LEU GLN SER MET GLY THR GLY PRO ASP GLY SER PRO LEU          
SEQRES  28 A  382  PHE GLY CYS LEU TYR GLU ALA ASN ASP TYR GLU GLU ILE          
SEQRES  29 A  382  VAL PHE LEU MET PHE THR LEU LYS GLN ALA PHE PRO ALA          
SEQRES  30 A  382  GLU TYR LEU PRO GLN                                          
SEQRES   1 B  382  GLY SER MET ALA SER LEU PRO VAL LEU GLN LYS GLU SER          
SEQRES   2 B  382  VAL PHE GLN SER GLY ALA HIS ALA TYR ARG ILE PRO ALA          
SEQRES   3 B  382  LEU LEU TYR LEU PRO GLY GLN GLN SER LEU LEU ALA PHE          
SEQRES   4 B  382  ALA GLU GLN ARG ALA SER LYS LYS ASP GLU HIS ALA GLU          
SEQRES   5 B  382  LEU ILE VAL LEU ARG ARG GLY ASP TYR ASP ALA PRO THR          
SEQRES   6 B  382  HIS GLN VAL GLN TRP GLN ALA GLN GLU VAL VAL ALA GLN          
SEQRES   7 B  382  ALA ARG LEU ASP GLY HIS ARG SER MET ASN PRO CYS PRO          
SEQRES   8 B  382  LEU TYR ASP ALA GLN THR GLY THR LEU PHE LEU PHE PHE          
SEQRES   9 B  382  ILE ALA ILE PRO GLY GLN VAL THR GLU GLN GLN GLN LEU          
SEQRES  10 B  382  GLU THR ARG ALA ASN VAL THR ARG LEU CYS GLN VAL THR          
SEQRES  11 B  382  SER THR ASP HIS GLY ARG THR TRP SER SER PRO ARG ASP          
SEQRES  12 B  382  LEU THR ASP ALA ALA ILE GLY PRO ALA TYR ARG GLU TRP          
SEQRES  13 B  382  SER THR PHE ALA VAL GLY PRO GLY HIS CYS LEU GLN LEU          
SEQRES  14 B  382  ASN ASP ARG ALA ARG SER LEU VAL VAL PRO ALA TYR ALA          
SEQRES  15 B  382  TYR ARG LYS LEU HIS PRO ILE GLN ARG PRO ILE PRO SER          
SEQRES  16 B  382  ALA PHE CYS PHE LEU SER HIS ASP HIS GLY ARG THR TRP          
SEQRES  17 B  382  ALA ARG GLY HIS PHE VAL ALA GLN ASP THR LEU GLU CYS          
SEQRES  18 B  382  GLN VAL ALA GLU VAL GLU THR GLY GLU GLN ARG VAL VAL          
SEQRES  19 B  382  THR LEU ASN ALA ARG SER HIS LEU ARG ALA ARG VAL GLN          
SEQRES  20 B  382  ALA GLN SER THR ASN ASP GLY LEU ASP PHE GLN GLU SER          
SEQRES  21 B  382  GLN LEU VAL LYS LYS LEU VAL GLU PRO PRO PRO GLN GLY          
SEQRES  22 B  382  CYS GLN GLY SER VAL ILE SER PHE PRO SER PRO ARG SER          
SEQRES  23 B  382  GLY PRO GLY SER PRO ALA GLN TRP LEU LEU TYR THR HIS          
SEQRES  24 B  382  PRO THR HIS SER TRP GLN ARG ALA ASP LEU GLY ALA TYR          
SEQRES  25 B  382  LEU ASN PRO ARG PRO PRO ALA PRO GLU ALA TRP SER GLU          
SEQRES  26 B  382  PRO VAL LEU LEU ALA LYS GLY SER CYS ALA TYR SER ASP          
SEQRES  27 B  382  LEU GLN SER MET GLY THR GLY PRO ASP GLY SER PRO LEU          
SEQRES  28 B  382  PHE GLY CYS LEU TYR GLU ALA ASN ASP TYR GLU GLU ILE          
SEQRES  29 B  382  VAL PHE LEU MET PHE THR LEU LYS GLN ALA PHE PRO ALA          
SEQRES  30 B  382  GLU TYR LEU PRO GLN                                          
HET    DAN  A 381      20                                                       
HET    EPE  A 382      15                                                       
HET    EPE  A 383      15                                                       
HET    DAN  B 381      20                                                       
HET    EPE  B 382      15                                                       
HET    EPE  B 383      15                                                       
HETNAM     DAN 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID                     
HETNAM     EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID              
HETSYN     DAN NEU5AC2EN                                                        
HETSYN     EPE HEPES                                                            
FORMUL   3  DAN    2(C11 H17 N O8)                                              
FORMUL   4  EPE    4(C8 H18 N2 O4 S)                                            
FORMUL   9  HOH   *75(H2 O)                                                     
HELIX    1   1 LYS A   45  ALA A   49  5                                   5    
HELIX    2   2 THR A  110  THR A  117  1                                   8    
HELIX    3   3 LEU A  142  ILE A  147  1                                   6    
HELIX    4   4 ALA A  317  TRP A  321  5                                   5    
HELIX    5   5 LEU A  369  PHE A  373  1                                   5    
HELIX    6   6 PRO A  374  TYR A  377  5                                   4    
HELIX    7   7 LYS B   45  GLU B   47  5                                   3    
HELIX    8   8 THR B  110  THR B  117  1                                   8    
HELIX    9   9 LEU B  142  ILE B  147  1                                   6    
HELIX   10  10 GLY B  148  ARG B  152  5                                   5    
HELIX   11  11 ALA B  317  TRP B  321  5                                   5    
HELIX   12  12 LEU B  369  PHE B  373  1                                   5    
HELIX   13  13 PRO B  374  TYR B  377  5                                   4    
SHEET    1   A14 SER A 275  PRO A 280  0                                        
SHEET    2   A14 GLN A 291  PRO A 298 -1  O  THR A 296   N  SER A 275           
SHEET    3   A14 ALA A 305  ASN A 312 -1  O  GLY A 308   N  HIS A 297           
SHEET    4   A14 VAL A 325  THR A 342 -1  O  LEU A 327   N  LEU A 307           
SHEET    5   A14 PRO A 348  ALA A 356 -1  O  LEU A 349   N  GLY A 341           
SHEET    6   A14 GLU A 361  THR A 368 -1  O  LEU A 365   N  CYS A 352           
SHEET    7   A14 GLN A   8  GLN A  14 -1  N  GLU A  10   O  PHE A 364           
SHEET    8   A14 GLN B   8  GLN B  14 -1  O  LYS B   9   N  SER A  11           
SHEET    9   A14 GLU B 361  THR B 368 -1  O  ILE B 362   N  VAL B  12           
SHEET   10   A14 PRO B 348  ALA B 356 -1  N  CYS B 352   O  LEU B 365           
SHEET   11   A14 VAL B 325  THR B 342 -1  N  GLY B 341   O  LEU B 349           
SHEET   12   A14 ALA B 305  ASN B 312 -1  N  LEU B 307   O  LEU B 327           
SHEET   13   A14 GLN B 291  PRO B 298 -1  N  HIS B 297   O  GLY B 308           
SHEET   14   A14 SER B 275  PRO B 280 -1  N  SER B 275   O  THR B 296           
SHEET    1   B 4 ALA A  19  TYR A  27  0                                        
SHEET    2   B 4 SER A  33  ARG A  41 -1  O  GLU A  39   N  ARG A  21           
SHEET    3   B 4 LEU A  51  ASP A  60 -1  O  LEU A  51   N  GLN A  40           
SHEET    4   B 4 GLN A  65  TRP A  68 -1  O  GLN A  65   N  ASP A  60           
SHEET    1   C 4 ALA A  19  TYR A  27  0                                        
SHEET    2   C 4 SER A  33  ARG A  41 -1  O  GLU A  39   N  ARG A  21           
SHEET    3   C 4 LEU A  51  ASP A  60 -1  O  LEU A  51   N  GLN A  40           
SHEET    4   C 4 GLU A  72  VAL A  73 -1  O  GLU A  72   N  LEU A  54           
SHEET    1   D 4 HIS A  82  ASP A  92  0                                        
SHEET    2   D 4 THR A  97  PRO A 106 -1  O  PHE A  99   N  LEU A  90           
SHEET    3   D 4 ARG A 123  SER A 129 -1  O  SER A 129   N  LEU A  98           
SHEET    4   D 4 ARG A 140  ASP A 141 -1  O  ARG A 140   N  GLN A 126           
SHEET    1   E 3 TRP A 154  VAL A 159  0                                        
SHEET    2   E 3 LEU A 174  ARG A 182 -1  O  TYR A 181   N  SER A 155           
SHEET    3   E 3 LEU A 165  GLN A 166 -1  N  LEU A 165   O  VAL A 175           
SHEET    1   F 3 TRP A 154  VAL A 159  0                                        
SHEET    2   F 3 LEU A 174  ARG A 182 -1  O  TYR A 181   N  SER A 155           
SHEET    3   F 3 ILE A 191  SER A 199 -1  O  PHE A 195   N  ALA A 178           
SHEET    1   G 4 THR A 216  VAL A 224  0                                        
SHEET    2   G 4 VAL A 231  SER A 238 -1  O  ARG A 237   N  LEU A 217           
SHEET    3   G 4 ALA A 242  SER A 248 -1  O  ALA A 246   N  LEU A 234           
SHEET    4   G 4 GLN A 256  VAL A 265 -1  O  GLN A 256   N  GLN A 247           
SHEET    1   H 4 ALA B  19  TYR B  27  0                                        
SHEET    2   H 4 SER B  33  ARG B  41 -1  O  ARG B  41   N  ALA B  19           
SHEET    3   H 4 ALA B  49  ASP B  60 -1  O  LEU B  51   N  GLN B  40           
SHEET    4   H 4 GLN B  65  TRP B  68 -1  O  GLN B  65   N  ASP B  60           
SHEET    1   I 4 ALA B  19  TYR B  27  0                                        
SHEET    2   I 4 SER B  33  ARG B  41 -1  O  ARG B  41   N  ALA B  19           
SHEET    3   I 4 ALA B  49  ASP B  60 -1  O  LEU B  51   N  GLN B  40           
SHEET    4   I 4 GLU B  72  VAL B  73 -1  O  GLU B  72   N  LEU B  54           
SHEET    1   J 4 HIS B  82  TYR B  91  0                                        
SHEET    2   J 4 LEU B  98  PRO B 106 -1  O  ILE B 105   N  ARG B  83           
SHEET    3   J 4 ARG B 123  SER B 129 -1  O  SER B 129   N  LEU B  98           
SHEET    4   J 4 ARG B 140  ASP B 141 -1  O  ARG B 140   N  GLN B 126           
SHEET    1   K 3 TRP B 154  VAL B 159  0                                        
SHEET    2   K 3 LEU B 174  ARG B 182 -1  O  TYR B 181   N  THR B 156           
SHEET    3   K 3 LEU B 165  GLN B 166 -1  N  LEU B 165   O  VAL B 175           
SHEET    1   L 3 TRP B 154  VAL B 159  0                                        
SHEET    2   L 3 LEU B 174  ARG B 182 -1  O  TYR B 181   N  THR B 156           
SHEET    3   L 3 ILE B 191  SER B 199 -1  O  PHE B 195   N  ALA B 178           
SHEET    1   M 4 VAL B 221  VAL B 224  0                                        
SHEET    2   M 4 VAL B 231  ALA B 236 -1  O  VAL B 231   N  VAL B 224           
SHEET    3   M 4 ALA B 242  SER B 248 -1  O  ALA B 246   N  LEU B 234           
SHEET    4   M 4 GLU B 257  VAL B 265 -1  O  GLN B 259   N  GLN B 245           
CISPEP   1 GLY A  160    PRO A  161          0         0.05                     
CISPEP   2 PRO A  315    PRO A  316          0        -0.10                     
CISPEP   3 GLY B  160    PRO B  161          0         0.07                     
CISPEP   4 PRO B  315    PRO B  316          0         0.11                     
CRYST1  157.290   73.980   77.180  90.00  93.14  90.00 C 1 2 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      0.006358  0.000000  0.000349        0.00000                         
SCALE2      0.000000  0.013517  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012976        0.00000