HEADER    CHITIN-BINDING PROTEIN                  26-NOV-04   2BEN               
TITLE     CRYSTAL STRUCTURE OF THE SERRATIA MARCESCENS CHITIN-BINDING            
TITLE    2 PROTEIN CBP21 Y54A MUTANT.                                            
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: CBP21;                                                      
COMPND   3 CHAIN: A, B;                                                          
COMPND   4 SYNONYM: CHITIN-BINDING PROTEIN CBP21;                                
COMPND   5 ENGINEERED: YES;                                                      
COMPND   6 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS;                             
SOURCE   3 ORGANISM_TAXID: 615;                                                  
SOURCE   4 STRAIN: BJL200;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                      
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                  
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PRSET-B                                    
KEYWDS    CHITIN-BINDING PROTEIN, CHITIN DEGRADATION, CHITIN-BINDING,            
KEYWDS   2 FNIII-LIKE FOLD                                                       
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    G.VAAJE-KOLSTAD,D.R.HOUSTON,V.G.H.EIJSINK,D.M.F.VAN AALTEN             
REVDAT   3   24-FEB-09 2BEN    1       VERSN                                     
REVDAT   2   29-APR-05 2BEN    1       JRNL                                      
REVDAT   1   08-DEC-04 2BEN    0                                                 
JRNL        AUTH   G.VAAJE-KOLSTAD,D.R.HOUSTON,V.G.H.EIJSINK,                    
JRNL        AUTH 2 D.M.F.VAN AALTEN                                              
JRNL        TITL   CRYSTAL STRUCTURE AND BINDING PROPERTIES OF THE               
JRNL        TITL 2 SERRATIA MARCESCENS CHITIN-BINDING PROTEIN CBP21              
JRNL        REF    J.BIOL.CHEM.                  V. 280 11313 2005               
JRNL        REFN                   ISSN 0021-9258                                
JRNL        PMID   15590674                                                      
JRNL        DOI    10.1074/JBC.M407175200                                        
REMARK   2                                                                       
REMARK   2 RESOLUTION.    1.8  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) : 1.80                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.78                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.0                             
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1972344.03                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                            
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.3                            
REMARK   3   NUMBER OF REFLECTIONS             : 31613                           
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) : 0.217                            
REMARK   3   FREE R VALUE                     : 0.255                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.1                              
REMARK   3   FREE R VALUE TEST SET COUNT      : 993                              
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                            
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) : 1.80                          
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.91                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.1                          
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4979                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.301                         
REMARK   3   BIN FREE R VALUE                    : 0.380                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 3.1                           
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 160                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.030                         
REMARK   3                                                                       
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                     
REMARK   3   PROTEIN ATOMS            : 2635                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 0                                        
REMARK   3   SOLVENT ATOMS            : 286                                      
REMARK   3                                                                       
REMARK   3  B VALUES.                                                            
REMARK   3   FROM WILSON PLOT           (A**2) : 16.4                            
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.0                            
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                        
REMARK   3    B11 (A**2) : -1.33                                                 
REMARK   3    B22 (A**2) : -1.33                                                 
REMARK   3    B33 (A**2) : 2.66                                                  
REMARK   3    B12 (A**2) : -0.94                                                 
REMARK   3    B13 (A**2) : 0.00                                                  
REMARK   3    B23 (A**2) : 0.00                                                  
REMARK   3                                                                       
REMARK   3  ESTIMATED COORDINATE ERROR.                                          
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                             
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                             
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) : 0.30                             
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.28                             
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                    
REMARK   3   BOND LENGTHS                 (A) : 0.006                            
REMARK   3   BOND ANGLES            (DEGREES) : 1.5                              
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 26.4                             
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.81                             
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) : 1.63  ; 1.50                  
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.30  ; 2.00                  
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.39  ; 2.00                  
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.34  ; 2.50                  
REMARK   3                                                                       
REMARK   3  BULK SOLVENT MODELING.                                               
REMARK   3   METHOD USED : FLAT MODEL                                            
REMARK   3   KSOL        : 0.339256                                              
REMARK   3   BSOL        : 37.4926                                               
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  : ION.PARAM                                       
REMARK   3  PARAMETER FILE  4  : 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   : NULL                                            
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                       
REMARK   4                                                                       
REMARK   4 2BEN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-NOV-04.                   
REMARK 100 THE PDBE ID CODE IS EBI-21770.                                        
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 09-AUG-04                           
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                               
REMARK 200  PH                             : NULL                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                   
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : N                                   
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                      
REMARK 200  BEAMLINE                       : NULL                                
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                              
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                                
REMARK 200  MONOCHROMATOR                  : NULL                                
REMARK 200  OPTICS                         : NULL                                
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                         
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                               
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                           
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 31629                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                               
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                                
REMARK 200  DATA REDUNDANCY                : 4.100                               
REMARK 200  R MERGE                    (I) : 0.07000                             
REMARK 200  R SYM                      (I) : NULL                                
REMARK 200   FOR THE DATA SET  : 10.4000                             
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.3                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.20                                
REMARK 200  R MERGE FOR SHELL          (I) : 0.47000                             
REMARK 200  R SYM FOR SHELL            (I) : NULL                                
REMARK 200   FOR SHELL         : 2.600                               
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                               
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT         
REMARK 200 SOFTWARE USED: CNS                                                    
REMARK 200 STARTING MODEL: NULL                                                  
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 43.23                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG8000, 100 MM,                      
REMARK 280  CHAPS 200 MM NACL                                                    
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                             
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                          
REMARK 290                                                                       
REMARK 290      SYMOP   SYMMETRY                                                 
REMARK 290     NNNMMM   OPERATOR                                                 
REMARK 290       1555   X,Y,Z                                                    
REMARK 290       2555   -Y,X-Y,Z+2/3                                             
REMARK 290       3555   -X+Y,-X,Z+1/3                                            
REMARK 290       4555   Y,X,-Z                                                   
REMARK 290       5555   X-Y,-Y,-Z+1/3                                            
REMARK 290       6555   -X,-X+Y,-Z+2/3                                           
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 -0.500000 -0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.78067             
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       27.39033             
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000             
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000             
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       27.39033             
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       54.78067             
REMARK 290                                                                       
REMARK 290 REMARK: NULL                                                          
REMARK 300                                                                       
REMARK 300 BIOMOLECULE: 1, 2                                                     
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                 
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                   
REMARK 300 THIS ENTRY.  THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                  
REMARK 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                   
REMARK 350 SOFTWARE USED: PQS                                                    
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 350 BIOMOLECULE:  2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                   
REMARK 350 SOFTWARE USED: PQS                                                    
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 375                                                                       
REMARK 375 SPECIAL POSITION                                                      
REMARK 375      HOH A2025  LIES ON A SPECIAL POSITION.                           
REMARK 400                                                                       
REMARK 400 COMPOUND                                                              
REMARK 400 ENGINEERED RESIDUE TYR 54 ALA, CHAINS A, B AND C                      
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     LYS B 197    CA   C    O    CB   CG   CD   CE   NZ                
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                                                                       
REMARK 500   O    HOH A  2009     O    HOH A  2009     4555      2.07            
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    ASP B 140   N   -  CA  -  C   ANGL. DEV. = -16.2 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 STANDARD TABLE:                                                       
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                     
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-            
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400             
REMARK 500                                                                       
REMARK 500  M RES CSSEQI        PSI       PHI                                    
REMARK 500    GLN A  44       24.09     82.77                                    
REMARK 500    GLU A  55       77.32   -151.00                                    
REMARK 500    ASP B 182        5.05     58.01                                    
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 700                                                                       
REMARK 700 SHEET                                                                 
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: 2BEM   RELATED DB: PDB                                    
REMARK 900  CRYSTAL STRUCTURE OF THE SERRATIA MARCESCENS                         
REMARK 900  CHITIN-BINDING PROTEIN CBP21                                         
DBREF  2BEN A   28   197  UNP    O83009   O83009          28    197              
DBREF  2BEN B   28   197  UNP    O83009   O83009          28    197              
SEQADV 2BEN ALA A   54  UNP  O83009    TYR    54 ENGINEERED MUTATION             
SEQADV 2BEN ALA B   54  UNP  O83009    TYR    54 ENGINEERED MUTATION             
SEQRES   1 A  170  HIS GLY TYR VAL GLU SER PRO ALA SER ARG ALA TYR GLN           
SEQRES   2 A  170  CYS LYS LEU GLN LEU ASN THR GLN CYS GLY SER VAL GLN           
SEQRES   3 A  170  ALA GLU PRO GLN SER VAL GLU GLY LEU LYS GLY PHE PRO           
SEQRES   4 A  170  GLN ALA GLY PRO ALA ASP GLY HIS ILE ALA SER ALA ASP           
SEQRES   5 A  170  LYS SER THR PHE PHE GLU LEU ASP GLN GLN THR PRO THR           
SEQRES   6 A  170  ARG TRP ASN LYS LEU ASN LEU LYS THR GLY PRO ASN SER           
SEQRES   7 A  170  PHE THR TRP LYS LEU THR ALA ARG HIS SER THR THR SER           
SEQRES   8 A  170  TRP ARG TYR PHE ILE THR LYS PRO ASN TRP ASP ALA SER           
SEQRES   9 A  170  GLN PRO LEU THR ARG ALA SER PHE ASP LEU THR PRO PHE           
SEQRES  10 A  170  CYS GLN PHE ASN ASP GLY GLY ALA ILE PRO ALA ALA GLN           
SEQRES  11 A  170  VAL THR HIS GLN CYS ASN ILE PRO ALA ASP ARG SER GLY           
SEQRES  12 A  170  SER HIS VAL ILE LEU ALA VAL TRP ASP ILE ALA ASP THR           
SEQRES  13 A  170  ALA ASN ALA PHE TYR GLN ALA ILE ASP VAL ASN LEU SER           
SEQRES  14 A  170  LYS                                                           
SEQRES   1 B  170  HIS GLY TYR VAL GLU SER PRO ALA SER ARG ALA TYR GLN           
SEQRES   2 B  170  CYS LYS LEU GLN LEU ASN THR GLN CYS GLY SER VAL GLN           
SEQRES   3 B  170  ALA GLU PRO GLN SER VAL GLU GLY LEU LYS GLY PHE PRO           
SEQRES   4 B  170  GLN ALA GLY PRO ALA ASP GLY HIS ILE ALA SER ALA ASP           
SEQRES   5 B  170  LYS SER THR PHE PHE GLU LEU ASP GLN GLN THR PRO THR           
SEQRES   6 B  170  ARG TRP ASN LYS LEU ASN LEU LYS THR GLY PRO ASN SER           
SEQRES   7 B  170  PHE THR TRP LYS LEU THR ALA ARG HIS SER THR THR SER           
SEQRES   8 B  170  TRP ARG TYR PHE ILE THR LYS PRO ASN TRP ASP ALA SER           
SEQRES   9 B  170  GLN PRO LEU THR ARG ALA SER PHE ASP LEU THR PRO PHE           
SEQRES  10 B  170  CYS GLN PHE ASN ASP GLY GLY ALA ILE PRO ALA ALA GLN           
SEQRES  11 B  170  VAL THR HIS GLN CYS ASN ILE PRO ALA ASP ARG SER GLY           
SEQRES  12 B  170  SER HIS VAL ILE LEU ALA VAL TRP ASP ILE ALA ASP THR           
SEQRES  13 B  170  ALA ASN ALA PHE TYR GLN ALA ILE ASP VAL ASN LEU SER           
SEQRES  14 B  170  LYS                                                           
FORMUL   3  HOH   *286(H2 O1)                                                    
HELIX    1   1 SER A   36  CYS A   41  1                                   6     
HELIX    2   2 GLY A   50  GLU A   55  5                                   6     
HELIX    3   3 GLU A   55  SER A   58  5                                   4     
HELIX    4   4 LYS A   80  GLN A   88  5                                   9     
HELIX    5   5 THR A  135  SER A  138  5                                   4     
HELIX    6   6 SER B   36  LEU B   43  1                                   8     
HELIX    7   7 CYS B   49  GLU B   55  5                                   7     
HELIX    8   8 GLU B   55  SER B   58  5                                   4     
HELIX    9   9 LYS B   80  GLN B   88  5                                   9     
SHEET    1  AA 3 GLY A  29  SER A  33  0                                         
SHEET    2  AA 3 GLY A 102  LEU A 110 -1  O  THR A 107   N  GLU A  32            
SHEET    3  AA 3 GLN A 157  ILE A 164 -1  O  VAL A 158   N  TRP A 108            
SHEET    1  AB 3 GLU A  60  LEU A  62  0                                         
SHEET    2  AB 3 ASN A 185  SER A 196 -1  O  ALA A 186   N  GLY A  61            
SHEET    3  AB 3 LEU A  97  LYS A 100  1  O  LEU A  97   N  ASN A 194            
SHEET    1  AC 9 GLU A  60  LEU A  62  0                                         
SHEET    2  AC 9 ASN A 185  SER A 196 -1  O  ALA A 186   N  GLY A  61            
SHEET    3  AC 9 GLY A 170  ILE A 180 -1  O  GLY A 170   N  LEU A 195            
SHEET    4  AC 9 THR A 116  ILE A 123 -1  N  THR A 117   O  ASP A 179            
SHEET    5  AC 9 CYS A 145  ASN A 148 -1  O  CYS A 145   N  TYR A 121            
SHEET    6  AC 9 CYS B 145  ASN B 148 -1  O  GLN B 146   N  GLN A 146            
SHEET    7  AC 9 THR B 116  ILE B 123 -1  O  TRP B 119   N  PHE B 147            
SHEET    8  AC 9 GLY B 170  ILE B 180 -1  O  LEU B 175   N  PHE B 122            
SHEET    9  AC 9 ASN B 185  SER B 196 -1  O  ASN B 185   N  ILE B 180            
SHEET    1  BA 3 GLY B  29  SER B  33  0                                         
SHEET    2  BA 3 GLY B 102  LEU B 110 -1  O  THR B 107   N  GLU B  32            
SHEET    3  BA 3 GLN B 157  ILE B 164 -1  O  VAL B 158   N  TRP B 108            
SSBOND   1 CYS A   41    CYS A   49                          1555   1555  2.03   
SSBOND   2 CYS A  145    CYS A  162                          1555   1555  2.03   
SSBOND   3 CYS B   41    CYS B   49                          1555   1555  2.03   
SSBOND   4 CYS B  145    CYS B  162                          1555   1555  2.04   
CISPEP   1 SER A   33    PRO A   34          0        -0.04                      
CISPEP   2 PHE A   65    PRO A   66          0         0.38                      
CISPEP   3 SER B   33    PRO B   34          0        -0.16                      
CISPEP   4 PHE B   65    PRO B   66          0         0.16                      
CRYST1   84.447   84.447   82.171  90.00  90.00 120.00 P 32 2 1     12           
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      0.011842  0.006837  0.000000        0.00000                          
SCALE2      0.000000  0.013674  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.012170        0.00000                          
END