HEADER    HYDROLASE                               09-FEB-03   1OCN              
TITLE     MUTANT D416A OF THE CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS IN 
TITLE    2 COMPLEX WITH A CELLOBIO-DERIVED ISOFAGOMINE AT 1.3 ANGSTROM          
TITLE    3 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CELLOBIOHYDROLASE II;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC CORE DOMAIN, RESIDUES 89-450;                    
COMPND   5 SYNONYM: CELLULASE, CEL6A;                                           
COMPND   6 EC: 3.2.1.91;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES;                                                       
COMPND   9 OTHER_DETAILS: N-LINKED N-ACETYLGLUCOSAMINE ON RESIDUE ASN 141       
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMICOLA INSOLENS;                              
SOURCE   3 ORGANISM_TAXID: 34413;                                               
SOURCE   4 EXPRESSION_SYSTEM: ASPERGILLUS ORYZAE;                               
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 5062;                                       
SOURCE   6 EXPRESSION_SYSTEM_PLASMID: UNDER CONTROL OF THE FUNGAL AMYLASE       
SOURCE   7 PROMOTER AND AMYLOGLUCOSIDASE TERMINATOR                             
KEYWDS    HYDROLASE, CELLULOSE DEGRADATION, CELLOBIOHYDROLASE, CELLULASE,       
KEYWDS   2 GLYCOSIDE HYDROLASE FAMILY 6                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.VARROT,J.MACDONALD,R.V.STICK,G.PELL,H.J.GILBERT,G.J.DAVIES          
REVDAT   7   23-OCT-24 1OCN    1       REMARK                                   
REVDAT   6   13-DEC-23 1OCN    1       HETSYN                                   
REVDAT   5   29-JUL-20 1OCN    1       COMPND REMARK HETNAM HETSYN              
REVDAT   5 2                   1       LINK   SITE                              
REVDAT   4   15-JUL-15 1OCN    1       COMPND REMARK VERSN  HETNAM              
REVDAT   4 2                   1       HETSYN FORMUL SITE                       
REVDAT   3   24-FEB-09 1OCN    1       VERSN                                    
REVDAT   2   08-JUL-03 1OCN    1       LINK   HETATM ANISOU CONECT              
REVDAT   1   22-MAY-03 1OCN    0                                                
JRNL        AUTH   A.VARROT,J.MACDONALD,R.V.STICK,G.PELL,H.J.GILBERT,G.J.DAVIES 
JRNL        TITL   DISTORTION OF A CELLOBIO-DERIVED ISOFAGOMINE HIGHLIGHTS THE  
JRNL        TITL 2 POTENTIAL CONFORMATIONAL ITINERARY OF INVERTING              
JRNL        TITL 3 BETA-GLUCOSIDASES                                            
JRNL        REF    CHEM.COMMUN.(CAMB.)           V.  21   946 2003              
JRNL        REFN                   ISSN 1359-7345                               
JRNL        PMID   12744312                                                     
JRNL        DOI    10.1039/B301592K                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.31 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.31                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 65959                          
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) : 0.132                           
REMARK   3   R VALUE            (WORKING SET) : 0.130                           
REMARK   3   FREE R VALUE                     : 0.162                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3485                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.31                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.35                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5079                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1460                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 271                          
REMARK   3   BIN FREE R VALUE                    : 0.1980                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2804                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 58                                      
REMARK   3   SOLVENT ATOMS            : 521                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 12.29                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.13000                                              
REMARK   3    B22 (A**2) : -0.20000                                             
REMARK   3    B33 (A**2) : 0.30000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.28000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.056         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.051         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.028         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.638         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.979                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.973                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2972 ; 0.016 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2575 ; 0.008 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4072 ; 1.686 ; 1.946       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5992 ; 1.019 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   366 ; 6.328 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   441 ; 0.112 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3343 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   600 ; 0.006 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   598 ; 0.259 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  3037 ; 0.262 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1508 ; 0.085 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   256 ; 0.124 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     6 ; 0.143 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     4 ; 0.077 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    53 ; 0.330 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    41 ; 0.147 ; 0.200       
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):  1818 ; 1.501 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2922 ; 2.133 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1154 ; 2.686 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1147 ; 3.842 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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 : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1OCN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 09-FEB-03.                  
REMARK 100 THE DEPOSITION ID IS D_1290012125.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.50                               
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                  : DIAMOND (111), GE(220)             
REMARK 200  OPTICS                         : TORROIDAL MIRROR                   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 77018                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.310                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.7                               
REMARK 200  DATA REDUNDANCY                : 6.200                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.31                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.33                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.600                              
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 2BVW                                       
REMARK 200                                                                      
REMARK 200 REMARK: MOLECULE A                                                   
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CONCENTRATED TO 10MG/ML IN   
REMARK 280  WATER.CRYSTALLISATION IN 200MM CALCIUM ACETATE, 100MM HEPES PH      
REMARK 280  7.5 AND 21% POLYETHYLENE GLYCOL 5KMME.20 % GLYCEROL WAS ADDED       
REMARK 280  FOR CRYOPROTECTION, PH 7.50                                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       34.92100            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 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: 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED MUTATION ASP 416 ALA CHAIN A                              
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     TYR A    89                                                      
REMARK 465     ASN A    90                                                      
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    ARG A 299   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    THR A 146      -83.22   -104.61                                   
REMARK 500    ASP A 175       31.23   -151.84                                   
REMARK 500    ASP A 226      -23.48     77.45                                   
REMARK 500    TRP A 274      -76.69   -123.22                                   
REMARK 500    ASN A 310     -168.03   -113.67                                   
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 =  6.55 ANGSTROMS                       
REMARK 525    HOH A2069        DISTANCE =  6.82 ANGSTROMS                       
REMARK 525    HOH A2127        DISTANCE =  5.97 ANGSTROMS                       
REMARK 525    HOH A2147        DISTANCE =  6.31 ANGSTROMS                       
REMARK 525    HOH A2149        DISTANCE =  7.70 ANGSTROMS                       
REMARK 525    HOH A2250        DISTANCE =  6.71 ANGSTROMS                       
REMARK 525    HOH A2253        DISTANCE =  6.05 ANGSTROMS                       
REMARK 525    HOH A2413        DISTANCE =  6.92 ANGSTROMS                       
REMARK 525    HOH A2473        DISTANCE =  6.13 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                              CA A 457  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A 447   OD1                                                    
REMARK 620 2 ASN A 447   ND2  46.6                                              
REMARK 620 3 HOH A2299   O   161.7 133.9                                        
REMARK 620 4 HOH A2507   O   106.7  62.7  82.9                                  
REMARK 620 5 HOH A2508   O    78.0 102.8  84.8 141.2                            
REMARK 620 6 HOH A2509   O    84.8  94.4 112.2  83.6 134.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 456  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A2006   O                                                      
REMARK 620 2 HOH A2255   O    86.1                                              
REMARK 620 3 HOH A2420   O    82.7 137.4                                        
REMARK 620 4 HOH A2421   O    77.4 143.2  73.2                                  
REMARK 620 5 HOH A2429   O   108.3  71.0  73.8 145.5                            
REMARK 620 N                    1     2     3     4                             
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: 1BVW   RELATED DB: PDB                                   
REMARK 900 CELLOBIOHYDROLASE II (CEL6A) FROM HUMICOLA INSOLENS                  
REMARK 900 RELATED ID: 1GZ1   RELATED DB: PDB                                   
REMARK 900 MUTANT D416A OF THE CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS   
REMARK 900 IN COMPLEX WITH METHYL-CELLOBIOSYL-4-DEOXY-4-THIO-BETA-D-            
REMARK 900 CELLOBIOSIDE                                                         
REMARK 900 RELATED ID: 1HGW   RELATED DB: PDB                                   
REMARK 900 CEL6A D175A MUTANT                                                   
REMARK 900 RELATED ID: 1HGY   RELATED DB: PDB                                   
REMARK 900 CEL6A D221A MUTANT                                                   
REMARK 900 RELATED ID: 1OC5   RELATED DB: PDB                                   
REMARK 900 D405N MUTANT OF THE CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS   
REMARK 900 IN COMPLEX WITH METHYL-CELLOBIOSYL-4-DEOXY-4-THIO-BETA-D-            
REMARK 900 CELLOBIOSIDE                                                         
REMARK 900 RELATED ID: 1OC6   RELATED DB: PDB                                   
REMARK 900 STRUCTURE NATIVE OF THE D405N MUTANT OF THE CELLOBIOHYDROLASE CEL6A  
REMARK 900 FROM HUMICOLA INSOLENS AT 1.5 ANGSTROM RESOLUTION                    
REMARK 900 RELATED ID: 1OC7   RELATED DB: PDB                                   
REMARK 900 D405N MUTANT OF THE CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS   
REMARK 900 IN COMPLEX WITH METHYL-TETRATHIO-ALPHA-D-CELLOPENTOSIDE AT 1 .1      
REMARK 900 ANGSTROM RESOLUTION                                                  
REMARK 900 RELATED ID: 1OCB   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE WILD-TYPE CELLOBIOHYDROLASE CEL6A FROM HUMICOLAS    
REMARK 900 INSOLENS IN COMPLEX WITH A FLUORESCENT SUBSTRATE                     
REMARK 900 RELATED ID: 1OCJ   RELATED DB: PDB                                   
REMARK 900 MUTANT D416A OF THE CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS   
REMARK 900 IN COMPLEX WITH A THIOPENTASACCHARIDE AT 1.3 ANGSTROM RESOLUTION     
REMARK 900 RELATED ID: 1OCN   RELATED DB: PDB                                   
REMARK 900 MUTANT D416A OF THE CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS   
REMARK 900 IN COMPLEX WITH A CELLOBIO-DERIVED ISOFAGOMINE AT 1.3 ANGSTROM       
REMARK 900 RESOLUTION                                                           
REMARK 900 RELATED ID: 1QJW   RELATED DB: PDB                                   
REMARK 900 CEL6A (Y169F) WITH A NON-HYDROLYSABLE CELLOTETRAOSE                  
REMARK 900 RELATED ID: 1QK0   RELATED DB: PDB                                   
REMARK 900 CEL6A (Y169F) WITH A NON-HYDROLYSABLE CELLOTETRAOSE                  
REMARK 900 RELATED ID: 1QK2   RELATED DB: PDB                                   
REMARK 900 WILD TYPE CEL6A WITH A NON-HYDROLYSABLE CELLOTETRAOSE                
REMARK 900 RELATED ID: 2BVW   RELATED DB: PDB                                   
REMARK 900 CELLOBIOHYDROLASE II (CEL6A) FROM HUMICOLA INSOLENS IN COMPLEX WITH  
REMARK 900 GLUCOSE AND CELLOTETRAOSE                                            
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THIS MUTANT HAS  BEEN PRODUCED BY SITE-DIRECTED MUTAGENESIS.         
REMARK 999  THE CLONING WAS PERFORMED SUCH HAS ONLY THE PRO-SEQUENCE            
REMARK 999  AND THE CATALYTIC DOMAIN WERE EXPRESSED. THE CELLULOSE BINDING      
REMARK 999  DOMAIN HAS BEEN REMOVED.THE CONSTRUCT IS POST-TRANSLATIONALLY       
REMARK 999  CLEAVED TO YIELD TO A MATURE PROTEIN OF 450 RESIDUES WHICH          
REMARK 999  COMMENCES AT RESIDUE TYR 89.                                        
REMARK 999                                                                      
REMARK 999  THIS PROTEIN IS CLOSELY RELATED TO AVICELASE 2 (SWISS-PROT          
REMARK 999  ACCESSION ID:Q9C1S9) WITH WHICH IT HAS 96% SEQUENCE IDENTITY.       
DBREF  1OCN A   89   450  PDB    1OCN     1OCN            89    450             
SEQRES   1 A  362  TYR ASN GLY ASN PRO PHE GLU GLY VAL GLN LEU TRP ALA          
SEQRES   2 A  362  ASN ASN TYR TYR ARG SER GLU VAL HIS THR LEU ALA ILE          
SEQRES   3 A  362  PRO GLN ILE THR ASP PRO ALA LEU ARG ALA ALA ALA SER          
SEQRES   4 A  362  ALA VAL ALA GLU VAL PRO SER PHE GLN TRP LEU ASP ARG          
SEQRES   5 A  362  ASN VAL THR VAL ASP THR LEU LEU VAL GLN THR LEU SER          
SEQRES   6 A  362  GLU ILE ARG GLU ALA ASN GLN ALA GLY ALA ASN PRO GLN          
SEQRES   7 A  362  TYR ALA ALA GLN ILE VAL VAL TYR ASP LEU PRO ASP ARG          
SEQRES   8 A  362  ASP CYS ALA ALA ALA ALA SER ASN GLY GLU TRP ALA ILE          
SEQRES   9 A  362  ALA ASN ASN GLY VAL ASN ASN TYR LYS ALA TYR ILE ASN          
SEQRES  10 A  362  ARG ILE ARG GLU ILE LEU ILE SER PHE SER ASP VAL ARG          
SEQRES  11 A  362  THR ILE LEU VAL ILE GLU PRO ASP SER LEU ALA ASN MET          
SEQRES  12 A  362  VAL THR ASN MET ASN VAL PRO LYS CYS SER GLY ALA ALA          
SEQRES  13 A  362  SER THR TYR ARG GLU LEU THR ILE TYR ALA LEU LYS GLN          
SEQRES  14 A  362  LEU ASP LEU PRO HIS VAL ALA MET TYR MET ASP ALA GLY          
SEQRES  15 A  362  HIS ALA GLY TRP LEU GLY TRP PRO ALA ASN ILE GLN PRO          
SEQRES  16 A  362  ALA ALA GLU LEU PHE ALA LYS ILE TYR GLU ASP ALA GLY          
SEQRES  17 A  362  LYS PRO ARG ALA VAL ARG GLY LEU ALA THR ASN VAL ALA          
SEQRES  18 A  362  ASN TYR ASN ALA TRP SER VAL SER SER PRO PRO PRO TYR          
SEQRES  19 A  362  THR SER PRO ASN PRO ASN TYR ASP GLU LYS HIS TYR ILE          
SEQRES  20 A  362  GLU ALA PHE ARG PRO LEU LEU GLU ALA ARG GLY PHE PRO          
SEQRES  21 A  362  ALA GLN PHE ILE VAL ASP GLN GLY ARG SER GLY LYS GLN          
SEQRES  22 A  362  PRO THR GLY GLN LYS GLU TRP GLY HIS TRP CYS ASN ALA          
SEQRES  23 A  362  ILE GLY THR GLY PHE GLY MET ARG PRO THR ALA ASN THR          
SEQRES  24 A  362  GLY HIS GLN TYR VAL ASP ALA PHE VAL TRP VAL LYS PRO          
SEQRES  25 A  362  GLY GLY GLU CYS ASP GLY THR SER ASP THR THR ALA ALA          
SEQRES  26 A  362  ARG TYR ALA TYR HIS CYS GLY LEU GLU ASP ALA LEU LYS          
SEQRES  27 A  362  PRO ALA PRO GLU ALA GLY GLN TRP PHE ASN GLU TYR PHE          
SEQRES  28 A  362  ILE GLN LEU LEU ARG ASN ALA ASN PRO PRO PHE                  
MODRES 1OCN ASN A  141  ASN  GLYCOSYLATION SITE                                 
HET    NAG  A 451      14                                                       
HET    IFM  A 452      10                                                       
HET    BGC  A 453      11                                                       
HET    IFM  A 454      10                                                       
HET    BGC  A 455      11                                                       
HET     CA  A 456       1                                                       
HET     CA  A 457       1                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     IFM 5-HYDROXYMETHYL-3,4-DIHYDROXYPIPERIDINE                          
HETNAM     BGC BETA-D-GLUCOPYRANOSE                                             
HETNAM      CA CALCIUM ION                                                      
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
HETSYN     IFM AFEGOSTAT; ISOFAGOMINE; (3R,4R,5R)-5-(HYDROXYMETHYL)             
HETSYN   2 IFM  PIPERIDINE-3,4-DIOL                                             
HETSYN     BGC BETA-D-GLUCOSE; D-GLUCOSE; GLUCOSE                               
FORMUL   2  NAG    C8 H15 N O6                                                  
FORMUL   3  IFM    2(C6 H13 N O3)                                               
FORMUL   4  BGC    2(C6 H12 O6)                                                 
FORMUL   7   CA    2(CA 2+)                                                     
FORMUL   9  HOH   *521(H2 O)                                                    
HELIX    1   1 ASN A  102  ALA A  113  1                                  12    
HELIX    2   2 ILE A  114  ILE A  117  5                                   4    
HELIX    3   3 ASP A  119  ALA A  130  1                                  12    
HELIX    4   4 ARG A  140  VAL A  144  5                                   5    
HELIX    5   5 THR A  146  ALA A  161  1                                  16    
HELIX    6   6 ALA A  191  ASN A  194  5                                   4    
HELIX    7   7 ASN A  195  PHE A  214  1                                  20    
HELIX    8   8 ASP A  226  ASN A  234  1                                   9    
HELIX    9   9 VAL A  237  LEU A  258  1                                  22    
HELIX   10  10 TRP A  277  ALA A  295  1                                  19    
HELIX   11  11 PRO A  320  SER A  324  5                                   5    
HELIX   12  12 ASP A  330  ARG A  345  1                                  16    
HELIX   13  13 ALA A  416  LEU A  421  5                                   6    
HELIX   14  14 PHE A  435  ASN A  445  1                                  11    
SHEET    1  AA 3 GLN A  98  LEU A  99  0                                        
SHEET    2  AA 3 TYR A 167  VAL A 173  1  N  ALA A 168   O  GLN A  98           
SHEET    3  AA 3 GLN A 136  LEU A 138  1  O  GLN A 136   N  VAL A 172           
SHEET    1  AB 7 GLN A  98  LEU A  99  0                                        
SHEET    2  AB 7 TYR A 167  VAL A 173  1  N  ALA A 168   O  GLN A  98           
SHEET    3  AB 7 THR A 219  ILE A 223  1  O  ILE A 220   N  ILE A 171           
SHEET    4  AB 7 VAL A 263  ASP A 268  1  O  ALA A 264   N  LEU A 221           
SHEET    5  AB 7 VAL A 301  THR A 306  1  N  ARG A 302   O  MET A 265           
SHEET    6  AB 7 GLN A 350  ASP A 354  1  O  GLN A 350   N  LEU A 304           
SHEET    7  AB 7 VAL A 392  VAL A 396  1  N  ASP A 393   O  PHE A 351           
SSBOND   1 CYS A  181    CYS A  240                          1555   1555  2.13  
SSBOND   2 CYS A  372    CYS A  419                          1555   1555  2.02  
LINK         ND2 ASN A 141                 C1  NAG A 451     1555   1555  1.46  
LINK         O4  IFM A 452                 C1  BGC A 453     1555   1555  1.38  
LINK         O4  IFM A 454                 C1  BGC A 455     1555   1555  1.47  
LINK         OD1 ASN A 447                CA    CA A 457     1555   1555  2.10  
LINK         ND2 ASN A 447                CA    CA A 457     1555   1555  3.02  
LINK        CA    CA A 456                 O   HOH A2006     1555   1555  2.51  
LINK        CA    CA A 456                 O   HOH A2255     1555   1555  2.38  
LINK        CA    CA A 456                 O   HOH A2420     1555   1555  2.43  
LINK        CA    CA A 456                 O   HOH A2421     1555   1555  2.35  
LINK        CA    CA A 456                 O   HOH A2429     1555   1555  2.50  
LINK        CA    CA A 457                 O   HOH A2299     1555   1555  2.41  
LINK        CA    CA A 457                 O   HOH A2507     1555   1555  3.12  
LINK        CA    CA A 457                 O   HOH A2508     1555   1555  2.31  
LINK        CA    CA A 457                 O   HOH A2509     1555   1555  2.51  
CISPEP   1 ASN A  164    PRO A  165          0       -10.52                     
CISPEP   2 SER A  324    PRO A  325          0         3.73                     
CISPEP   3 GLN A  361    PRO A  362          0        -8.99                     
CISPEP   4 LYS A  426    PRO A  427          0        -2.90                     
CISPEP   5 ASN A  447    PRO A  448          0         7.31                     
CRYST1   49.357   69.842   51.950  90.00 113.52  90.00 P 1 21 1      2          
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      0.020260  0.000000  0.008818        0.00000                         
SCALE2      0.000000  0.014318  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020993        0.00000