PDB Short entry for 2F12
HEADER    HYDROLASE                               14-NOV-05   2F12              
TITLE     CRYSTAL STRUCTURE OF THE HUMAN SIALIDASE NEU2 IN COMPLEX WITH 3-      
TITLE    2 HYDROXYPROPYL ETHER MIMETIC INHIBITOR                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SIALIDASE 2;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: NEU2, CYTOSOLIC SIALIDASE, N-ACETYL-ALPHA- NEURAMINIDASE 2; 
COMPND   5 EC: 3.2.1.18;                                                        
COMPND   6 ENGINEERED: 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, INFLUENZA VIRUS, DRUG DESIGN, HYDROLASE     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.M.G.CHAVAS,R.KATO,M.C.MANN,R.J.THOMSON,J.C.DYASON,M.VON ITZSTEIN,   
AUTHOR   2 P.FUSI,C.TRINGALI,B.VENERANDO,G.TETTAMANTI,E.MONTI,S.WAKATSUKI       
REVDAT   4   25-OCT-23 2F12    1       HETSYN                                   
REVDAT   3   29-JUL-20 2F12    1       COMPND REMARK SEQADV HETNAM              
REVDAT   3 2                   1       SITE                                     
REVDAT   2   24-FEB-09 2F12    1       VERSN                                    
REVDAT   1   21-NOV-06 2F12    0                                                
JRNL        AUTH   L.M.G.CHAVAS,R.KATO,M.C.MANN,R.J.THOMSON,J.C.DYASON,         
JRNL        AUTH 2 M.VON ITZSTEIN,P.FUSI,C.TRINGALI,B.VENERANDO,G.TETTAMANTI,   
JRNL        AUTH 3 E.MONTI,S.WAKATSUKI                                          
JRNL        TITL   CRYSTAL STRUCTURE OF THE HUMAN SIALIDASE NEU2 IN COMPLEX     
JRNL        TITL 2 WITH 3- HYDROXYPROPYL ETHER MIMETIC INHIBITOR                
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.27 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) : 2.27                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 62.02                          
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)   (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 15960                          
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) : 0.200                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 848                             
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            : 2831                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 24                                      
REMARK   3   SOLVENT ATOMS            : 155                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.62                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.43300                                             
REMARK   3    B22 (A**2) : -6.85000                                             
REMARK   3    B33 (A**2) : 10.28300                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 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) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.411                           
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        : 51.64                                                
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  : HEM_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 2F12 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-NOV-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000035320.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 29-MAY-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : BL-6A                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUAMTUM 4R                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16808                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.270                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 62.020                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.8                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.06500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.27                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.35                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.24400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 9.900                              
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   (%): 44.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM/POTASSIUM PHOSPHATE, PH 8.0,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 283K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       46.16500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       46.16500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       43.79500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       43.98500            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       43.79500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       43.98500            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       46.16500            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       43.79500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       43.98500            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       46.16500            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       43.79500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       43.98500            
REMARK 290   SMTRY3   8  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 300 REMARK: THE MONOMER IN THE ASYMMETRIC UNIT FORMS THE BIOLOGICAL      
REMARK 300 MOLECULE                                                             
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A1104  LIES ON A SPECIAL POSITION.                          
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     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     SER A    43                                                      
REMARK 465     LYS A    44                                                      
REMARK 465     LYS A    45                                                      
REMARK 465     ASP A    46                                                      
REMARK 465     GLU A    47                                                      
REMARK 465     HIS A    48                                                      
REMARK 465     PRO A   186                                                      
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     SER A   288                                                      
REMARK 465     PRO A   289                                                      
REMARK 465     LEU A   378                                                      
REMARK 465     PRO A   379                                                      
REMARK 465     GLN A   380                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CD1  ILE A   187     CD1  LEU A   260     3555     2.12            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLN A 188   C     ARG A 189   N      -0.383                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    GLN A 188   CA  -  C   -  N   ANGL. DEV. = -15.2 DEGREES          
REMARK 500    GLN A 188   O   -  C   -  N   ANGL. DEV. =  13.6 DEGREES          
REMARK 500    PRO A 268   C   -  N   -  CA  ANGL. DEV. =   9.1 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    ILE A  22       70.86     58.37                                   
REMARK 500    ASN A  86       63.94     60.29                                   
REMARK 500    GLN A 108       25.45    -67.21                                   
REMARK 500    THR A 110     -159.06   -114.80                                   
REMARK 500    THR A 117      -10.57   -163.73                                   
REMARK 500    THR A 156     -176.44   -174.04                                   
REMARK 500    LEU A 217     -138.14   -112.88                                   
REMARK 500    PHE A 255       77.72   -115.45                                   
REMARK 500    GLN A 256      -76.56    -53.86                                   
REMARK 500    PRO A 268      -65.00    -26.01                                   
REMARK 500    PRO A 269     -110.13    -37.91                                   
REMARK 500    ASP A 306       81.85     53.81                                   
REMARK 500    ALA A 317      113.89    -37.73                                   
REMARK 500    ALA A 333     -125.18   -128.89                                   
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: 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                                   
REMARK 900 RELATED ID: 2F29   RELATED DB: PDB                                   
DBREF  2F12 A    1   380  UNP    Q9Y3R4   NEUR2_HUMAN      1    380             
SEQADV 2F12 GLY A   -1  UNP  Q9Y3R4              CLONING ARTIFACT               
SEQADV 2F12 SER A    0  UNP  Q9Y3R4              CLONING ARTIFACT               
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  GLN 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                                          
HET    PO4  A1002       5                                                       
HET    HTM  A1001      19                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     HTM 3-HYDROXYPROPYL 2-ACETAMIDO-2,4-DIDEOXY-ALPHA-L-THREO-           
HETNAM   2 HTM  HEX-4-ENOPYRANOSIDURONIC ACID                                   
HETSYN     HTM 6-(3-HYDROXYPROPOXY)-5-ACETAMIDO-5,6-DIHYDRO-4-HYDROXY-          
HETSYN   2 HTM  4H-PYRAN-2-CARBOXYLIC ACID; 3-HYDROXYPROPYL ETHER               
HETSYN   3 HTM  MIMETIC; 3-HYDROXYPROPYL 2-ACETAMIDO-2,4-DIDEOXY-               
HETSYN   4 HTM  ALPHA-L-THREO-HEX-4-ENOSIDURONIC ACID; 3-HYDROXYPROPYL          
HETSYN   5 HTM  2-ACETAMIDO-2,4-DIDEOXY-L-THREO-HEX-4-ENOSIDURONIC              
HETSYN   6 HTM  ACID; 3-HYDROXYPROPYL 2-ACETAMIDO-2,4-DIDEOXY-THREO-            
HETSYN   7 HTM  HEX-4-ENOSIDURONIC ACID                                         
FORMUL   2  PO4    O4 P 3-                                                      
FORMUL   3  HTM    C11 H17 N O7                                                 
FORMUL   4  HOH   *155(H2 O)                                                    
HELIX    1   1 PRO A   29  GLN A   31  5                                   3    
HELIX    2   2 ALA A   61  HIS A   64  5                                   4    
HELIX    3   3 GLU A  111  GLN A  116  1                                   6    
HELIX    4   4 LEU A  142  GLY A  148  1                                   7    
HELIX    5   5 PRO A  149  ARG A  152  5                                   4    
HELIX    6   6 ALA A  317  TRP A  321  5                                   5    
HELIX    7   7 LEU A  369  PHE A  373  1                                   5    
SHEET    1   A 7 GLN A   8  GLN A  14  0                                        
SHEET    2   A 7 GLU A 361  THR A 368 -1  O  PHE A 364   N  GLU A  10           
SHEET    3   A 7 PRO A 348  ALA A 356 -1  N  CYS A 352   O  LEU A 365           
SHEET    4   A 7 VAL A 325  THR A 342 -1  N  GLY A 341   O  LEU A 349           
SHEET    5   A 7 ALA A 305  ASN A 312 -1  N  ASP A 306   O  GLY A 330           
SHEET    6   A 7 GLN A 291  PRO A 298 -1  N  TYR A 295   O  TYR A 310           
SHEET    7   A 7 SER A 275  PRO A 280 -1  N  PHE A 279   O  TRP A 292           
SHEET    1   B 4 ALA A  19  LEU A  28  0                                        
SHEET    2   B 4 SER A  33  ARG A  41 -1  O  ARG A  41   N  ALA A  19           
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  LEU A  28  0                                        
SHEET    2   C 4 SER A  33  ARG A  41 -1  O  ARG A  41   N  ALA A  19           
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  THR A 156           
SHEET    3   E 3 LEU A 165  GLN A 166 -1  N  LEU A 165   O  VAL A 175           
SHEET    1   F 4 TRP A 154  VAL A 159  0                                        
SHEET    2   F 4 LEU A 174  ARG A 182 -1  O  TYR A 181   N  THR A 156           
SHEET    3   F 4 ILE A 191  SER A 199 -1  O  SER A 199   N  LEU A 174           
SHEET    4   F 4 ALA A 207  ARG A 208 -1  O  ALA A 207   N  LEU A 198           
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  VAL A 244   N  ALA A 236           
SHEET    4   G 4 SER A 258  VAL A 265 -1  O  VAL A 261   N  ARG A 243           
CISPEP   1 GLY A  160    PRO A  161          0         0.28                     
CISPEP   2 PRO A  315    PRO A  316          0         0.15                     
CRYST1   87.590   87.970   92.330  90.00  90.00  90.00 C 2 2 21      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      0.011417  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011368  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010831        0.00000