PDB entry 1n1v

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HEADER    HYDROLASE                               21-OCT-02   1N1V              
TITLE     TRYPANOSOMA RANGELI SIALIDASE IN COMPLEX WITH DANA                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SIALIDASE;                                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUE 23-660;                                            
COMPND   5 EC: 3.2.1.18;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRYPANOSOMA RANGELI;                            
SOURCE   3 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   4 EXPRESSION_SYSTEM_COMMON: BACTERIA;                                  
SOURCE   5 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA;                                  
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PTRCHIS A                             
KEYWDS    BETA PROPELLER, LECTIN-LIKE FOLD                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.F.AMAYA,A.BUSCHIAZZO,T.NGUYEN,P.M.ALZARI                            
REVDAT   1   07-JAN-03 1N1V    0                                                
JRNL        AUTH   M.F.AMAYA,A.BUSCHIAZZO,T.NGUYEN,P.M.ALZARI                   
JRNL        TITL   THE HIGH RESOLUTION STRUCTURES OF FREE AND                   
JRNL        TITL 2 INHIBITOR-BOUND TRYPANOSOMA RANGELI SIALIDASE AND            
JRNL        TITL 3 ITS COMPARISON WITH T. CRUZI TRANS-SIALIDASE                 
JRNL        REF    J.MOL.BIOL.                   V. 325   773 2003              
JRNL        REFN   ASTM JMOBAK  UK ISSN 0022-2836                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.BUSCHIAZZO,G.A.TAVARES,O.CAMPETELLA,S.SPINELLI,            
REMARK   1  AUTH 2 M.L.CREMONA,G.PARIS,M.F.AMAYA,A.C.FRASCH,P.M.ALZARI          
REMARK   1  TITL   STRUCTURAL BASIS OF SIALYLTRANSFERASE ACTIVITY IN            
REMARK   1  TITL 2 TRYPANOSOMAL SIALIDASES                                      
REMARK   1  REF    EMBO J.                       V.  19    16 2000              
REMARK   1  REFN   ASTM EMJODG  UK ISSN 0261-4189                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. 2.10 ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5                                             
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 14.94                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 89.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 37736                          
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) : 0.180                           
REMARK   3   R VALUE            (WORKING SET) : 0.178                           
REMARK   3   FREE R VALUE                     : 0.219                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2010                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH           : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW            : 2.15                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1646                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1960                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 92                           
REMARK   3   BIN FREE R VALUE                    : 0.2320                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   ALL ATOMS                : 5148                                    
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.15                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.01000                                             
REMARK   3    B22 (A**2) : -0.01000                                             
REMARK   3    B33 (A**2) : 0.01000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.929                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4960 ; 0.011 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6747 ; 1.469 ; 1.941       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   626 ; 4.764 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   843 ;16.735 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   758 ; 0.102 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3766 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2311 ; 0.224 ; 0.300       
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):   613 ; 0.135 ; 0.500       
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):    34 ; 0.219 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     8 ; 0.087 ; 0.500       
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):  3107 ; 0.704 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5006 ; 1.290 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1853 ; 1.977 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1741 ; 3.158 ; 4.500       
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 : 0                                 
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 0                                          
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH 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: NULL                                      
REMARK   4                                                                      
REMARK   4 1N1V COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006                         
REMARK   4                                                                      
REMARK   4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY.                    
REMARK   4 REMEDIATED DATA FILE REVISION 3.101 (2007-05-29)                     
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB .                              
REMARK 100 THE RCSB ID CODE IS RCSB017414.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-JUN-2000                        
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.934                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 39923                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.4                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05200                            
REMARK 200   FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.14                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 52.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.20800                            
REMARK 200   FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1N1S                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.11                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG-8000, SODIUM CACODYLATE,             
REMARK 280  AMMONIUM SULFATE, PH 7, VAPOR DIFFUSION, HANGING DROP,              
REMARK 280  TEMPERATURE 291K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   1/2-X,-Y,1/2+Z                                          
REMARK 290       3555   -X,1/2+Y,1/2-Z                                          
REMARK 290       4555   1/2+X,1/2-Y,-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       37.93100            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       52.91050            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       46.70200            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       52.91050            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       37.93100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       46.70200            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR                     
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).                
REMARK 350                                                                      
REMARK 350 GENERATING THE BIOMOLECULE                                           
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 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 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     THR A   407                                                      
REMARK 465     PRO A   408                                                      
REMARK 465     PRO A   409                                                      
REMARK 465     SER A   410                                                      
REMARK 465     LYS A   411                                                      
REMARK 465     GLY A   412                                                      
REMARK 465     GLY A   635                                                      
REMARK 465     GLY A   636                                                      
REMARK 465     ALA A   637                                                      
REMARK 465     GLY A   638                                                      
REMARK 465     THR A   639                                                      
REMARK 465     ALA A   640                                                      
REMARK 465     ALA A   641                                                      
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     SER A  26    OG                                                  
REMARK 470     GLN A 126    CG    CD    OE1   NE2                               
REMARK 470     ARG A 128    CG    CD    NE    CZ    NH1   NH2                   
REMARK 470     LYS A 159    CG    CD    CE    NZ                                
REMARK 470     GLU A 544    CG    CD    OE1   OE2                               
REMARK 470     LYS A 548    CG    CD    CE    NZ                                
REMARK 470     ASP A 634    CG    OD1   OD2                                     
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),F6.3)                  
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991                                
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    MET A  99   SD    MET A  99   CE     0.116                        
REMARK 500    MET A 317   SD    MET A 317   CE    -0.091                        
REMARK 500    PRO A 568   CB    PRO A 568   CG     0.072                        
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: ENGH AND HUBER, 1991                                
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    VAL A 367   N   -  CA  -  C   ANGL. DEV. =-10.6 DEGREES           
REMARK 500    ASP A 634   N   -  CA  -  C   ANGL. DEV. = 10.6 DEGREES           
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  M RES CSSEQI        PSI       PHI                                   
REMARK 500    VAL A 183      120.65     84.16                                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1MZ6   RELATED DB: PDB                                   
REMARK 900 NATURAL (GLYCOSYLATED) SIALIDASE FROM TRYPANOSOMA RANGELI            
REMARK 900 RELATED ID: 1MZ5   RELATED DB: PDB                                   
REMARK 900 NATURAL (GLYCOSYLATED) SIALIDASE FROM TRYPANOSOMA RANGELI            
REMARK 900 IN COMPLEX WITH THE INHIBITOR DANA                                   
REMARK 900 RELATED ID: 1N1S   RELATED DB: PDB                                   
REMARK 900 TRYPANOSOMA RANGELI SIALIDASE                                        
REMARK 900 RELATED ID: 1N1T   RELATED DB: PDB                                   
REMARK 900 TRYPANOSOMA RANGELI SIALIDASE IN COMPLEX WITH DANA AT 1.6 A          
REMARK 900 RELATED ID: 1N1Y   RELATED DB: PDB                                   
REMARK 900 TRYPANOSOMA RANGELI SIALIDASE IN COMPLEX WITH SIALIC ACID            
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE AUTHOR MAINTAINS THAT THE SEQUENCE IN                            
REMARK 999 THE SEQUENCE DATABASE IS INCORRECT.                                  
DBREF  1N1V A    4   641  UNP    O44049   O44049_TRYRA    23    660             
SEQADV 1N1V ALA A    1  UNP  O44049              CLONING ARTIFACT               
SEQADV 1N1V ALA A    2  UNP  O44049              CLONING ARTIFACT               
SEQADV 1N1V SER A    3  UNP  O44049              CLONING ARTIFACT               
SEQADV 1N1V ILE A   53  UNP  O44049    THR    72 SEE REMARK 999                 
SEQADV 1N1V VAL A  180  UNP  O44049    ILE   199 SEE REMARK 999                 
SEQADV 1N1V ALA A  189  UNP  O44049    GLY   208 SEE REMARK 999                 
SEQADV 1N1V LEU A  375  UNP  O44049    PHE   394 SEE REMARK 999                 
SEQADV 1N1V VAL A  609  UNP  O44049    ILE   628 SEE REMARK 999                 
SEQRES   1 A  641  ALA ALA SER LEU ALA PRO GLY SER SER ARG VAL GLU LEU          
SEQRES   2 A  641  PHE LYS ARG LYS ASN SER THR VAL PRO PHE GLU GLU SER          
SEQRES   3 A  641  ASN GLY THR ILE ARG GLU ARG VAL VAL HIS SER PHE ARG          
SEQRES   4 A  641  ILE PRO THR ILE VAL ASN VAL ASP GLY VAL MET VAL ALA          
SEQRES   5 A  641  ILE ALA ASP ALA ARG TYR GLU THR SER PHE ASP ASN SER          
SEQRES   6 A  641  PHE ILE GLU THR ALA VAL LYS TYR SER VAL ASP ASP GLY          
SEQRES   7 A  641  ALA THR TRP ASN THR GLN ILE ALA ILE LYS ASN SER ARG          
SEQRES   8 A  641  ALA SER SER VAL SER ARG VAL MET ASP ALA THR VAL ILE          
SEQRES   9 A  641  VAL LYS GLY ASN LYS LEU TYR ILE LEU VAL GLY SER PHE          
SEQRES  10 A  641  ASN LYS THR ARG ASN SER TRP THR GLN HIS ARG ASP GLY          
SEQRES  11 A  641  SER ASP TRP GLU PRO LEU LEU VAL VAL GLY GLU VAL THR          
SEQRES  12 A  641  LYS SER ALA ALA ASN GLY LYS THR THR ALA THR ILE SER          
SEQRES  13 A  641  TRP GLY LYS PRO VAL SER LEU LYS PRO LEU PHE PRO ALA          
SEQRES  14 A  641  GLU PHE ASP GLY ILE LEU THR LYS GLU PHE VAL GLY GLY          
SEQRES  15 A  641  VAL GLY ALA ALA ILE VAL ALA SER ASN GLY ASN LEU VAL          
SEQRES  16 A  641  TYR PRO VAL GLN ILE ALA ASP MET GLY GLY ARG VAL PHE          
SEQRES  17 A  641  THR LYS ILE MET TYR SER GLU ASP ASP GLY ASN THR TRP          
SEQRES  18 A  641  LYS PHE ALA GLU GLY ARG SER LYS PHE GLY CYS SER GLU          
SEQRES  19 A  641  PRO ALA VAL LEU GLU TRP GLU GLY LYS LEU ILE ILE ASN          
SEQRES  20 A  641  ASN ARG VAL ASP GLY ASN ARG ARG LEU VAL TYR GLU SER          
SEQRES  21 A  641  SER ASP MET GLY LYS THR TRP VAL GLU ALA LEU GLY THR          
SEQRES  22 A  641  LEU SER HIS VAL TRP THR ASN SER PRO THR SER ASN GLN          
SEQRES  23 A  641  GLN ASP CYS GLN SER SER PHE VAL ALA VAL THR ILE GLU          
SEQRES  24 A  641  GLY LYS ARG VAL MET LEU PHE THR HIS PRO LEU ASN LEU          
SEQRES  25 A  641  LYS GLY ARG TRP MET ARG ASP ARG LEU HIS LEU TRP MET          
SEQRES  26 A  641  THR ASP ASN GLN ARG ILE PHE ASP VAL GLY GLN ILE SER          
SEQRES  27 A  641  ILE GLY ASP GLU ASN SER GLY TYR SER SER VAL LEU TYR          
SEQRES  28 A  641  LYS ASP ASP LYS LEU TYR SER LEU HIS GLU ILE ASN THR          
SEQRES  29 A  641  ASN ASP VAL TYR SER LEU VAL PHE VAL ARG LEU ILE GLY          
SEQRES  30 A  641  GLU LEU GLN LEU MET LYS SER VAL VAL ARG THR TRP LYS          
SEQRES  31 A  641  GLU GLU ASP ASN HIS LEU ALA SER ILE CYS THR PRO VAL          
SEQRES  32 A  641  VAL PRO ALA THR PRO PRO SER LYS GLY GLY CYS GLY ALA          
SEQRES  33 A  641  ALA VAL PRO THR ALA GLY LEU VAL GLY PHE LEU SER HIS          
SEQRES  34 A  641  SER ALA ASN GLY SER VAL TRP GLU ASP VAL TYR ARG CYS          
SEQRES  35 A  641  VAL ASP ALA ASN VAL ALA ASN ALA GLU ARG VAL PRO ASN          
SEQRES  36 A  641  GLY LEU LYS PHE ASN GLY VAL GLY GLY GLY ALA VAL TRP          
SEQRES  37 A  641  PRO VAL ALA ARG GLN GLY GLN THR ARG ARG TYR GLN PHE          
SEQRES  38 A  641  ALA ASN TYR ARG PHE THR LEU VAL ALA THR VAL THR ILE          
SEQRES  39 A  641  ASP GLU LEU PRO LYS GLY THR SER PRO LEU LEU GLY ALA          
SEQRES  40 A  641  GLY LEU GLU GLY PRO GLY ASP ALA LYS LEU LEU GLY LEU          
SEQRES  41 A  641  SER TYR ASP LYS ASN ARG GLN TRP ARG PRO LEU TYR GLY          
SEQRES  42 A  641  ALA ALA PRO ALA SER PRO THR GLY SER TRP GLU LEU HIS          
SEQRES  43 A  641  LYS LYS TYR HIS VAL VAL LEU THR MET ALA ASP ARG GLN          
SEQRES  44 A  641  GLY SER VAL TYR VAL ASP GLY GLN PRO LEU ALA GLY SER          
SEQRES  45 A  641  GLY ASN THR VAL VAL ARG GLY ALA THR LEU PRO ASP ILE          
SEQRES  46 A  641  SER HIS PHE TYR ILE GLY GLY PRO ARG SER LYS GLY ALA          
SEQRES  47 A  641  PRO THR ASP SER ARG VAL THR VAL THR ASN VAL VAL LEU          
SEQRES  48 A  641  TYR ASN ARG ARG LEU ASN SER SER GLU ILE ARG THR LEU          
SEQRES  49 A  641  PHE LEU SER GLN ASP MET ILE GLY THR ASP GLY GLY ALA          
SEQRES  50 A  641  GLY THR ALA ALA                                              
HET    SO4    801       5                                                       
HET    SO4    802       5                                                       
HET    DAN    670      20                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     DAN 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID                     
FORMUL   2  SO4    2(O4 S 2-)                                                   
FORMUL   4  DAN    C11 H17 N O8                                                 
FORMUL   5  HOH   *295(H2 O)                                                    
HELIX    1   1 SER A  123  HIS A  127  5                                   5    
HELIX    2   2 LYS A  164  PHE A  167  5                                   4    
HELIX    3   3 LEU A  375  ILE A  399  1                                  25    
HELIX    4   4 ALA A  471  GLY A  474  5                                   4    
HELIX    5   5 TYR A  479  TYR A  484  5                                   6    
HELIX    6   6 ASN A  617  GLN A  628  1                                  12    
SHEET    1   A 4 SER A   9  PHE A  14  0                                        
SHEET    2   A 4 VAL A 367  ARG A 374 -1  N  LEU A 370   O  PHE A  14           
SHEET    3   A 4 LYS A 355  THR A 364 -1  O  SER A 358   N  VAL A 373           
SHEET    4   A 4 SER A 347  LYS A 352 -1  O  SER A 348   N  LEU A 359           
SHEET    1   B 2 THR A  20  GLU A  24  0                                        
SHEET    2   B 2 ILE A  30  VAL A  34 -1  N  ARG A  31   O  PHE A  23           
SHEET    1   C 4 SER A  37  VAL A  46  0                                        
SHEET    2   C 4 VAL A  49  ARG A  57 -1  O  VAL A  49   N  VAL A  46           
SHEET    3   C 4 ILE A  67  SER A  74 -1  O  GLU A  68   N  ALA A  56           
SHEET    4   C 4 ASN A  82  ILE A  87 -1  N  ASN A  82   O  TYR A  73           
SHEET    1   D 7 THR A 151  TRP A 157  0                                        
SHEET    2   D 7 TRP A 133  ALA A 146 -1  N  GLU A 141   O  SER A 156           
SHEET    3   D 7 VAL A 161  SER A 162 -1  N  VAL A 161   O  LEU A 137           
SHEET    4   D 7 TRP A 133  ALA A 146 -1  O  LEU A 137   N  VAL A 161           
SHEET    5   D 7 LYS A 109  PHE A 117 -1  N  LEU A 110   O  GLY A 140           
SHEET    6   D 7 ARG A  97  LYS A 106 -1  O  ARG A  97   N  PHE A 117           
SHEET    7   D 7 GLY A 184  ALA A 185  1  O  GLY A 184   N  VAL A 103           
SHEET    1   E 7 GLU A 170  PHE A 171  0                                        
SHEET    2   E 7 ILE A 174  GLY A 181 -1  O  ILE A 174   N  PHE A 171           
SHEET    3   E 7 LEU A 194  ASP A 202 -1  N  GLN A 199   O  VAL A 180           
SHEET    4   E 7 ILE A 187  VAL A 188 -1  O  ILE A 187   N  VAL A 195           
SHEET    5   E 7 LEU A 194  ASP A 202 -1  N  VAL A 195   O  ILE A 187           
SHEET    6   E 7 VAL A 207  SER A 214 -1  O  PHE A 208   N  ILE A 200           
SHEET    7   E 7 LYS A 222  PHE A 223 -1  N  LYS A 222   O  TYR A 213           
SHEET    1   F 4 SER A 233  TRP A 240  0                                        
SHEET    2   F 4 LYS A 243  ARG A 249 -1  O  LYS A 243   N  TRP A 240           
SHEET    3   F 4 VAL A 257  SER A 260 -1  O  TYR A 258   N  ILE A 246           
SHEET    4   F 4 VAL A 268  GLU A 269 -1  O  VAL A 268   N  GLU A 259           
SHEET    1   G 4 PHE A 293  ILE A 298  0                                        
SHEET    2   G 4 LYS A 301  PRO A 309 -1  O  LYS A 301   N  ILE A 298           
SHEET    3   G 4 LEU A 321  THR A 326 -1  N  HIS A 322   O  HIS A 308           
SHEET    4   G 4 ILE A 331  GLN A 336 -1  N  PHE A 332   O  MET A 325           
SHEET    1   H19 TRP A 528  TYR A 532  0                                        
SHEET    2   H19 LYS A 516  ASP A 523 -1  O  GLY A 519   N  LEU A 531           
SHEET    3   H19 THR A 501  LEU A 509 -1  N  SER A 502   O  TYR A 522           
SHEET    4   H19 ILE A 585  GLY A 591 -1  N  SER A 586   O  GLY A 508           
SHEET    5   H19 GLY A 465  PRO A 469 -1  N  ALA A 466   O  ILE A 590           
SHEET    6   H19 ALA A 445  ALA A 448 -1  N  ASN A 446   O  VAL A 467           
SHEET    7   H19 VAL A 435  ASP A 438 -1  N  TRP A 436   O  ALA A 445           
SHEET    8   H19 LEU A 423  ASN A 432 -1  N  SER A 428   O  GLU A 437           
SHEET    9   H19 VAL A 604  TYR A 612 -1  O  VAL A 609   N  LEU A 427           
SHEET   10   H19 GLY A 456  PHE A 459 -1  O  LEU A 457   N  VAL A 606           
SHEET   11   H19 ALA A 450  VAL A 453 -1  O  GLU A 451   N  LYS A 458           
SHEET   12   H19 GLY A 456  PHE A 459 -1  O  GLY A 456   N  VAL A 453           
SHEET   13   H19 VAL A 604  TYR A 612 -1  O  VAL A 604   N  PHE A 459           
SHEET   14   H19 PHE A 486  ILE A 494 -1  O  THR A 487   N  TYR A 612           
SHEET   15   H19 TYR A 549  ALA A 556 -1  N  TYR A 549   O  VAL A 492           
SHEET   16   H19 GLN A 559  VAL A 564 -1  N  GLN A 559   O  ALA A 556           
SHEET   17   H19 GLN A 567  PRO A 568 -1  O  GLN A 567   N  VAL A 564           
SHEET   18   H19 GLN A 559  VAL A 564 -1  N  VAL A 564   O  GLN A 567           
SHEET   19   H19 ASN A 574  THR A 575 -1  O  ASN A 574   N  GLY A 560           
SSBOND   1 CYS A  400    CYS A  414                                             
CRYST1   75.862   93.404  105.821  90.00  90.00  90.00 P 21 21 21    4          
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      0.013182  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010706  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009450        0.00000