HEADER    HYDROLASE                               10-MAR-03   1HKK              
TITLE     HIGH RESOULTION CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX WITH  
TITLE    2 ALLOSAMIDIN                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CHITOTRIOSIDASE-1;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CHITINASE-1;                                                
COMPND   5 EC: 3.2.1.14;                                                        
COMPND   6 OTHER_DETAILS: ALLOSAMIDIN                                           
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL: MACROPHAGES                                                    
KEYWDS    HUMAN CHITINASE, HYDROLASE, CHITIN DEGRADATION, ALLOSAMIDIN           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.V.RAO,D.R.HOUSTON,R.G.BOOT,J.M.F.G.AERTS,S.SAKUDA,D.M.F.VAN AALTEN  
REVDAT   6   06-NOV-24 1HKK    1       REMARK                                   
REVDAT   5   13-DEC-23 1HKK    1       REMARK HETSYN                            
REVDAT   4   29-JUL-20 1HKK    1       COMPND REMARK HETNAM LINK                
REVDAT   4 2                   1       SITE   ATOM                              
REVDAT   3   12-JAN-10 1HKK    1       VERSN                                    
REVDAT   2   24-FEB-09 1HKK    1       VERSN                                    
REVDAT   1   11-MAR-04 1HKK    0                                                
JRNL        AUTH   F.V.RAO,D.R.HOUSTON,R.G.BOOT,J.M.F.G.AERTS,S.SAKUDA,         
JRNL        AUTH 2 D.M.F.VAN AALTEN                                             
JRNL        TITL   CRYSTAL STRUCTURES OF ALLOSAMIDIN DERIVATIVES IN COMPLEX     
JRNL        TITL 2 WITH HUMAN MACROPHAGE CHITINASE.                             
JRNL        REF    J.BIOL.CHEM.                  V. 278 20110 2003              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   12639956                                                     
JRNL        DOI    10.1074/JBC.M300362200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.36                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2327937.500                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 32844                          
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) : 0.179                           
REMARK   3   FREE R VALUE                     : 0.189                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 2.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 675                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.85                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.97                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5095                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2030                       
REMARK   3   BIN FREE R VALUE                    : 0.2280                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 2.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 105                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2871                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 89                                      
REMARK   3   SOLVENT ATOMS            : 253                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 17.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.70000                                              
REMARK   3    B22 (A**2) : 3.70000                                              
REMARK   3    B33 (A**2) : -7.40000                                             
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) : 0.18                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.13                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.21                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.16                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.950                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.430 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.010 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.450 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.550 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.44                                                 
REMARK   3   BSOL        : 77.77                                                
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  : ALLOSAMIDIN.PARAM                              
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : ALLOSAMIDIN.TOP                                
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1HKK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-MAR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1290012309.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-APR-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 113                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.933                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32893                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 6.100                              
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.92                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.200                              
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 1GUV                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25 % PEG 550 MME 0.01 M ZNSO4, 0.1 M     
REMARK 280  MES PH 6.5                                                          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
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   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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       41.74150            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       47.42900            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       47.42900            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       62.61225            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       47.42900            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       47.42900            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       20.87075            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       47.42900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       47.42900            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       62.61225            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       47.42900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       47.42900            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       20.87075            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       41.74150            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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 A2121  LIES ON A SPECIAL POSITION.                          
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A   89   CE   NZ                                             
REMARK 480     GLN A  188   CG   CD   OE1  NE2                                  
REMARK 480     GLN A  232   CB   CG   CD   OE1  NE2                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP A    45     O    HOH A  2023              2.01            
REMARK 500   NH2  ARG A   316     OD2  ASP A   336              2.13            
REMARK 500   O    HOH A  2250     O    HOH A  2253              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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   O    HOH A  2249     O    HOH A  2249     7465     1.98            
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    SER A 131       40.31     70.36                                   
REMARK 500    ASP A 328     -128.49     55.68                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2056        DISTANCE =  6.43 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A1393  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  64   NE2                                                    
REMARK 620 2 ASP A 108   OD1  95.5                                              
REMARK 620 3 ASP A 108   OD2 111.7 122.2                                        
REMARK 620 4 HOH A2249   O    85.1 131.0 102.3                                  
REMARK 620 5 HOH A2249   O   120.0  96.3 110.4  45.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A1392  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 215   ND1                                                    
REMARK 620 2 GLU A 219   OE1 101.3                                              
REMARK 620 3 GLU A 219   OE2 159.1  59.2                                        
REMARK 620 4 HOH A2246   O    95.4  89.8  78.2                                  
REMARK 620 5 HOH A2247   O   102.5 155.7  97.6  92.5                            
REMARK 620 6 HOH A2248   O    92.3  81.5  92.0 169.3  92.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A1394  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A2023   O                                                      
REMARK 620 2 HOH A2250   O    74.4                                              
REMARK 620 3 HOH A2251   O    56.1  70.0                                        
REMARK 620 4 HOH A2252   O   145.8 110.3  92.7                                  
REMARK 620 5 HOH A2253   O   116.9  49.2  77.3  61.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: DSSP                                           
REMARK 700 THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS          
REMARK 700 BELOW IS ACTUALLY AN 10-STRANDED BARREL THIS IS REPRESENTED BY       
REMARK 700 A 11-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS              
REMARK 700 ARE IDENTICAL.                                                       
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN               
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,          
REMARK 700 TWO SHEETS ARE DEFINED.                                              
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1LG1   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE IN COMPLEX WITHCHITOBIOSE 
REMARK 900 RELATED ID: 1WAW   RELATED DB: PDB                                   
REMARK 900 SPECIFICITY AND AFFNITY OF NATURAL PRODUCT CYCLOPENTAPEPTIDE         
REMARK 900 INHIBITOR ARGADIN AGAINST HUMAN CHITINASE                            
REMARK 900 RELATED ID: 1HKJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX WITH                 
REMARK 900 METHYLALLOSAMIDIN                                                    
REMARK 900 RELATED ID: 1HKM   RELATED DB: PDB                                   
REMARK 900 HIGH RESOULTION CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX      
REMARK 900 WITH DEMETHYLALLOSAMIDIN                                             
REMARK 900 RELATED ID: 1HKI   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX WITH                 
REMARK 900 GLUCOALLOSAMIDIN B                                                   
REMARK 900 RELATED ID: 1WB0   RELATED DB: PDB                                   
REMARK 900 SPECIFICITY AND AFFINITY OF NATURAL PRODUCT CYCLOPENTAPEPTIDE        
REMARK 900 INHIBITOR ARGIFIN AGAINST HUMAN CHITINAES                            
REMARK 900 RELATED ID: 1LG2   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE IN COMPLEX WITHETHYLENE   
REMARK 900 GLYCOL                                                               
REMARK 900 RELATED ID: 1LQ0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE AT 2.2 ANGSTROMRESOLUTION 
REMARK 900 RELATED ID: 1GUV   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF HUMAN CHITOTRIOSIDASE                                   
DBREF  1HKK A   22   385  UNP    Q13231   CHIT1_HUMAN     22    385             
SEQADV 1HKK GLN A  234  UNP  Q13231    GLU   234 CONFLICT                       
SEQRES   1 A  364  ALA LYS LEU VAL CYS TYR PHE THR ASN TRP ALA GLN TYR          
SEQRES   2 A  364  ARG GLN GLY GLU ALA ARG PHE LEU PRO LYS ASP LEU ASP          
SEQRES   3 A  364  PRO SER LEU CYS THR HIS LEU ILE TYR ALA PHE ALA GLY          
SEQRES   4 A  364  MET THR ASN HIS GLN LEU SER THR THR GLU TRP ASN ASP          
SEQRES   5 A  364  GLU THR LEU TYR GLN GLU PHE ASN GLY LEU LYS LYS MET          
SEQRES   6 A  364  ASN PRO LYS LEU LYS THR LEU LEU ALA ILE GLY GLY TRP          
SEQRES   7 A  364  ASN PHE GLY THR GLN LYS PHE THR ASP MET VAL ALA THR          
SEQRES   8 A  364  ALA ASN ASN ARG GLN THR PHE VAL ASN SER ALA ILE ARG          
SEQRES   9 A  364  PHE LEU ARG LYS TYR SER PHE ASP GLY LEU ASP LEU ASP          
SEQRES  10 A  364  TRP GLU TYR PRO GLY SER GLN GLY SER PRO ALA VAL ASP          
SEQRES  11 A  364  LYS GLU ARG PHE THR THR LEU VAL GLN ASP LEU ALA ASN          
SEQRES  12 A  364  ALA PHE GLN GLN GLU ALA GLN THR SER GLY LYS GLU ARG          
SEQRES  13 A  364  LEU LEU LEU SER ALA ALA VAL PRO ALA GLY GLN THR TYR          
SEQRES  14 A  364  VAL ASP ALA GLY TYR GLU VAL ASP LYS ILE ALA GLN ASN          
SEQRES  15 A  364  LEU ASP PHE VAL ASN LEU MET ALA TYR ASP PHE HIS GLY          
SEQRES  16 A  364  SER TRP GLU LYS VAL THR GLY HIS ASN SER PRO LEU TYR          
SEQRES  17 A  364  LYS ARG GLN GLU GLN SER GLY ALA ALA ALA SER LEU ASN          
SEQRES  18 A  364  VAL ASP ALA ALA VAL GLN GLN TRP LEU GLN LYS GLY THR          
SEQRES  19 A  364  PRO ALA SER LYS LEU ILE LEU GLY MET PRO THR TYR GLY          
SEQRES  20 A  364  ARG SER PHE THR LEU ALA SER SER SER ASP THR ARG VAL          
SEQRES  21 A  364  GLY ALA PRO ALA THR GLY SER GLY THR PRO GLY PRO PHE          
SEQRES  22 A  364  THR LYS GLU GLY GLY MET LEU ALA TYR TYR GLU VAL CYS          
SEQRES  23 A  364  SER TRP LYS GLY ALA THR LYS GLN ARG ILE GLN ASP GLN          
SEQRES  24 A  364  LYS VAL PRO TYR ILE PHE ARG ASP ASN GLN TRP VAL GLY          
SEQRES  25 A  364  PHE ASP ASP VAL GLU SER PHE LYS THR LYS VAL SER TYR          
SEQRES  26 A  364  LEU LYS GLN LYS GLY LEU GLY GLY ALA MET VAL TRP ALA          
SEQRES  27 A  364  LEU ASP LEU ASP ASP PHE ALA GLY PHE SER CYS ASN GLN          
SEQRES  28 A  364  GLY ARG TYR PRO LEU ILE GLN THR LEU ARG GLN GLU LEU          
HET    NAA  B   1      14                                                       
HET    NAA  B   2      14                                                       
HET    NAA  C   1      14                                                       
HET    NAA  C   2      14                                                       
HET    AMI  A1388      15                                                       
HET    AMI  A1391      15                                                       
HET     ZN  A1392       1                                                       
HET     ZN  A1393       1                                                       
HET     ZN  A1394       1                                                       
HETNAM     NAA 2-ACETAMIDO-2-DEOXY-BETA-D-ALLOPYRANOSE                          
HETNAM     AMI ALLOSAMIZOLINE                                                   
HETNAM      ZN ZINC ION                                                         
HETSYN     NAA N-ACETYL-BETA-D-ALLOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-D-          
HETSYN   2 NAA  ALLOSE; 2-ACETAMIDO-2-DEOXY-D-ALLOSE; 2-ACETAMIDO-2-            
HETSYN   3 NAA  DEOXY-ALLOSE; N-ACETYL-D-ALLOSAMINE                             
FORMUL   2  NAA    4(C8 H15 N O6)                                               
FORMUL   4  AMI    2(C9 H16 N2 O4)                                              
FORMUL   6   ZN    3(ZN 2+)                                                     
FORMUL   9  HOH   *253(H2 O)                                                    
HELIX    1   1 TRP A   31  ARG A   35  5                                   5    
HELIX    2   2 GLN A   36  ARG A   40  5                                   5    
HELIX    3   3 LEU A   42  LEU A   46  5                                   5    
HELIX    4   4 ASN A   72  GLY A   82  1                                  11    
HELIX    5   5 LEU A   83  MET A   86  5                                   4    
HELIX    6   6 TRP A   99  GLY A  102  5                                   4    
HELIX    7   7 THR A  103  ALA A  111  1                                   9    
HELIX    8   8 THR A  112  SER A  131  1                                  20    
HELIX    9   9 VAL A  150  GLY A  174  1                                  25    
HELIX   10  10 GLY A  187  TYR A  195  1                                   9    
HELIX   11  11 GLU A  196  LEU A  204  1                                   9    
HELIX   12  12 SER A  235  LEU A  241  5                                   7    
HELIX   13  13 ASN A  242  LYS A  253  1                                  12    
HELIX   14  14 PRO A  256  SER A  258  5                                   3    
HELIX   15  15 TYR A  303  CYS A  307  1                                   5    
HELIX   16  16 ASP A  336  LYS A  350  1                                  15    
HELIX   17  17 ALA A  359  ASP A  363  5                                   5    
HELIX   18  18 TYR A  375  LEU A  385  1                                  11    
SHEET    1  AA11 LYS A  23  THR A  29  0                                        
SHEET    2  AA11 GLY A 354  TRP A 358  1  O  ALA A 355   N  VAL A  25           
SHEET    3  AA11 LEU A 260  PRO A 265  1  O  LEU A 262   N  MET A 356           
SHEET    4  AA11 PHE A 206  MET A 210  1  O  VAL A 207   N  ILE A 261           
SHEET    5  AA11 LEU A 179  PRO A 185  1  O  ALA A 182   N  ASN A 208           
SHEET    6  AA11 GLY A 134  ASP A 138  1  O  LEU A 135   N  SER A 181           
SHEET    7  AA11 LYS A  91  GLY A  97  1  O  LEU A  94   N  ASP A 136           
SHEET    8  AA11 HIS A  53  THR A  62  1  O  LEU A  54   N  LEU A  93           
SHEET    9  AA11 LYS A  23  THR A  29  1  O  CYS A  26   N  ILE A  55           
SHEET   10  AA11 GLY A 354  TRP A 358  1  O  ALA A 355   N  VAL A  25           
SHEET   11  AA11 LYS A  23  THR A  29  1  O  LYS A  23   N  ALA A 355           
SHEET    1  AB 8 ALA A 285  SER A 288  0                                        
SHEET    2  AB 8 TYR A 267  LEU A 273 -1  O  THR A 272   N  THR A 286           
SHEET    3  AB 8 MET A 300  ALA A 302 -1  O  LEU A 301   N  GLY A 268           
SHEET    4  AB 8 TYR A 267  LEU A 273 -1  O  GLY A 268   N  LEU A 301           
SHEET    5  AB 8 THR A 313  ILE A 317  0                                        
SHEET    6  AB 8 VAL A 322  ARG A 327 -1  O  VAL A 322   N  ILE A 317           
SHEET    7  AB 8 GLN A 330  GLY A 333 -1  O  GLN A 330   N  ARG A 327           
SHEET    8  AB 8 TYR A 267  LEU A 273 -1  O  ARG A 269   N  GLY A 333           
SSBOND   1 CYS A   26    CYS A   51                          1555   1555  2.02  
SSBOND   2 CYS A  307    CYS A  370                          1555   1555  2.05  
LINK         O4  AMI A1388                 C1  NAA B   1     1555   1555  1.42  
LINK         O4  AMI A1391                 C1  NAA C   1     1555   1555  1.43  
LINK         O4  NAA B   1                 C1  NAA B   2     1555   1555  1.40  
LINK         O4  NAA C   1                 C1  NAA C   2     1555   1555  1.44  
LINK         NE2 HIS A  64                ZN    ZN A1393     1555   1555  2.06  
LINK         OD1 ASP A 108                ZN    ZN A1393     7465   1555  2.36  
LINK         OD2 ASP A 108                ZN    ZN A1393     1555   1555  1.61  
LINK         ND1 HIS A 215                ZN    ZN A1392     1555   1555  2.03  
LINK         OE1 GLU A 219                ZN    ZN A1392     1555   1555  2.44  
LINK         OE2 GLU A 219                ZN    ZN A1392     1555   1555  1.91  
LINK        ZN    ZN A1392                 O   HOH A2246     1555   1555  2.10  
LINK        ZN    ZN A1392                 O   HOH A2247     1555   1555  2.31  
LINK        ZN    ZN A1392                 O   HOH A2248     1555   1555  2.12  
LINK        ZN    ZN A1393                 O   HOH A2249     1555   1555  1.73  
LINK        ZN    ZN A1393                 O   HOH A2249     1555   7465  2.77  
LINK        ZN    ZN A1394                 O   HOH A2023     1555   1555  2.44  
LINK        ZN    ZN A1394                 O   HOH A2250     1555   1555  2.48  
LINK        ZN    ZN A1394                 O   HOH A2251     1555   1555  2.33  
LINK        ZN    ZN A1394                 O   HOH A2252     1555   1555  2.30  
LINK        ZN    ZN A1394                 O   HOH A2253     1555   1555  2.73  
CISPEP   1 ALA A   57    PHE A   58          0        -2.38                     
CISPEP   2 GLU A  140    TYR A  141          0         1.50                     
CISPEP   3 TRP A  358    ALA A  359          0        -0.35                     
CRYST1   94.858   94.858   83.483  90.00  90.00  90.00 P 43 21 2     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      0.010542  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010542  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011978        0.00000