HEADER    HYDROLASE                               24-AUG-96   2CEL              
TITLE     ACTIVE-SITE MUTANT E212Q DETERMINED AT PH 6.0 WITH NO LIGAND BOUND IN 
TITLE    2 THE ACTIVE SITE                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 1,4-BETA-D-GLUCAN CELLOBIOHYDROLASE I;                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: CATALYTIC DOMAIN, RESIDUES 1 - 434;                        
COMPND   5 SYNONYM: EXOGLUCANASE;                                               
COMPND   6 EC: 3.2.1.91;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HYPOCREA JECORINA;                              
SOURCE   3 ORGANISM_TAXID: 51453;                                               
SOURCE   4 STRAIN: QM 9414;                                                     
SOURCE   5 VARIANT: VTT-D-93201;                                                
SOURCE   6 GENE: CBH1;                                                          
SOURCE   7 EXPRESSION_SYSTEM: HYPOCREA JECORINA;                                
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 51453;                                      
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PEM-F5;                                   
SOURCE  10 EXPRESSION_SYSTEM_GENE: CBH1                                         
KEYWDS    CELLULOSE DEGRADATION, HYDROLASE, GLYCOSIDASE, GLYCOPROTEIN           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.DIVNE,J.STAHLBERG,T.A.JONES                                         
REVDAT   7   23-OCT-24 2CEL    1       REMARK                                   
REVDAT   6   03-NOV-21 2CEL    1       SEQADV HETSYN                            
REVDAT   5   29-JUL-20 2CEL    1       COMPND REMARK HETNAM LINK                
REVDAT   5 2                   1       SITE                                     
REVDAT   4   25-DEC-19 2CEL    1       SEQADV SEQRES LINK                       
REVDAT   3   13-JUL-11 2CEL    1       VERSN                                    
REVDAT   2   24-FEB-09 2CEL    1       VERSN                                    
REVDAT   1   12-MAR-97 2CEL    0                                                
JRNL        AUTH   J.STAHLBERG,C.DIVNE,A.KOIVULA,K.PIENS,M.CLAEYSSENS,          
JRNL        AUTH 2 T.T.TEERI,T.A.JONES                                          
JRNL        TITL   ACTIVITY STUDIES AND CRYSTAL STRUCTURES OF CATALYTICALLY     
JRNL        TITL 2 DEFICIENT MUTANTS OF CELLOBIOHYDROLASE I FROM TRICHODERMA    
JRNL        TITL 3 REESEI.                                                      
JRNL        REF    J.MOL.BIOL.                   V. 264   337 1996              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   8951380                                                      
JRNL        DOI    10.1006/JMBI.1996.0644                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.DIVNE,J.STAHLBERG,T.REINIKAINEN,L.RUOHONEN,G.PETTERSSON,   
REMARK   1  AUTH 2 J.K.KNOWLES,T.T.TEERI,T.A.JONES                              
REMARK   1  TITL   THE THREE-DIMENSIONAL CRYSTAL STRUCTURE OF THE CATALYTIC     
REMARK   1  TITL 2 CORE OF CELLOBIOHYDROLASE I FROM TRICHODERMA REESEI          
REMARK   1  REF    SCIENCE                       V. 265   524 1994              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   C.DIVNE,I.SINNING,J.STAHLBERG,G.PETTERSSON,M.BAILEY,         
REMARK   1  AUTH 2 M.SIIKA-AHO,E.MARGOLLES-CLARK,T.TEERI,T.A.JONES              
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY STUDIES ON THE CORE    
REMARK   1  TITL 2 PROTEINS OF CELLOBIOHYDROLASE I AND ENDOGLUCANASE I FROM     
REMARK   1  TITL 3 TRICHODERMA REESEI                                           
REMARK   1  REF    J.MOL.BIOL.                   V. 234   905 1993              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.50                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 53816                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.208                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 5525                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6448                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 512                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.100                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : STRICT NCS CONSTRAINTS                                  
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  : NULL                                           
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2CEL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000177910.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-FEB-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
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, CCP4                        
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54942                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 46.600                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.06700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 4.5 MM MES PH 6.0, 4.5% MONOMETHYL       
REMARK 280  ETHER PEG 5000, 4.5 MM CACL2                                        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       42.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       43.10000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       42.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       43.10000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
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 300 REMARK: THERE ARE TWO COPIES OF THE MOLECULE IN THE ASYMMETRIC       
REMARK 300 UNIT.  NON-CRYSTALLOGRAPHIC CONSTRAINTS HAVE BEEN APPLIED            
REMARK 300 DURING REFINEMENT.                                                   
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 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  99     -128.08   -128.16                                   
REMARK 500    CYS A 210      159.61    174.47                                   
REMARK 500    SER A 379     -156.47   -141.22                                   
REMARK 500    SER B  99     -128.08   -128.16                                   
REMARK 500    CYS B 210      159.60    174.45                                   
REMARK 500    SER B 379     -156.49   -141.24                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 THERE IS A CALCIUM (+II) COUNTER ION COORDINATED BY GLU 295          
REMARK 600 AND GLU 325 FROM ONE MOLECULE, TOGETHER WITH GLU 295 AND             
REMARK 600 GLU 395 FROM AN NCS-RELATED MOLECULE.  THERE IS ALSO ONE             
REMARK 600 WATER MOLECULE BOUND TO THE CALCIUM ION.  THE COORDINATION           
REMARK 600 IS DISTORTED PENTAGONAL BIPYRAMIDAL.  THIS SITE IS                   
REMARK 600 PRESENTED AS SITE CAL.                                               
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 A1000  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 295   OE1                                                    
REMARK 620 2 GLU A 295   OE2  48.4                                              
REMARK 620 3 GLU A 325   OE2  81.6  90.4                                        
REMARK 620 4 HOH A1001   O   121.5  73.2  97.1                                  
REMARK 620 5 GLU B 295   OE1 108.9 157.2  83.6 129.3                            
REMARK 620 6 GLU B 295   OE2 159.3 151.6  90.8  78.5  50.8                      
REMARK 620 7 GLU B 325   OE2  83.4  91.4 158.2 104.2  86.3  97.8                
REMARK 620 8 HOH B1001   O   122.8  74.5  98.5   1.8 128.1  77.3 103.0          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B1000  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 295   OE1                                                    
REMARK 620 2 GLU A 295   OE2  51.3                                              
REMARK 620 3 GLU A 325   OE2  88.2  97.5                                        
REMARK 620 4 HOH A1001   O   126.1  74.7 100.3                                  
REMARK 620 5 GLU B 295   OE1 110.9 161.7  84.9 122.8                            
REMARK 620 6 GLU B 295   OE2 159.2 149.1  90.9  74.6  48.3                      
REMARK 620 7 GLU B 325   OE2  83.8  91.1 160.7  98.6  81.6  90.4                
REMARK 620 8 HOH B1001   O   127.3  76.0 101.6   1.9 121.5  73.2  97.2          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CTA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE INCLUDING THE E212Q MUTATION.       
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CAA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CALCIUM-BINDING SITE ON NON-CRYSTALLOGRAPHIC       
REMARK 800  DYAD. NOTE THAT THE CALCIUM ION IS BOUND BY GLU 295 AND GLU 325     
REMARK 800  FROM TWO NCS-RELATED MOLECULES, AND ONE WATER MOLECULE              
REMARK 800  POSITIONED EXACTLY ON THE NCS-AXIS.                                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CTB                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE INCLUDING THE E212Q MUTATION.       
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CAB                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: CALCIUM-BINDING SITE ON NON-CRYSTALLOGRAPHIC       
REMARK 800  DYAD. NOTE THAT THE CALCIUM ION IS BOUND BY GLU 295 AND GLU 325     
REMARK 800  FROM TWO NCS-RELATED MOLECULES, AND ONE WATER MOLECULE              
REMARK 800  POSITIONED EXACTLY ON THE NCS-AXIS.                                 
DBREF  2CEL A    2   434  UNP    P62694   GUX1_TRIRE      19    451             
DBREF  2CEL B    2   434  UNP    P62694   GUX1_TRIRE      19    451             
SEQADV 2CEL ASP A   94  UNP  P62694    GLY   111 CLONING ARTIFACT               
SEQADV 2CEL GLN A  212  UNP  P62694    GLU   229 ENGINEERED MUTATION            
SEQADV 2CEL ASP B   94  UNP  P62694    GLY   111 CLONING ARTIFACT               
SEQADV 2CEL GLN B  212  UNP  P62694    GLU   229 ENGINEERED MUTATION            
SEQRES   1 A  434  PCA SER ALA CYS THR LEU GLN SER GLU THR HIS PRO PRO          
SEQRES   2 A  434  LEU THR TRP GLN LYS CYS SER SER GLY GLY THR CYS THR          
SEQRES   3 A  434  GLN GLN THR GLY SER VAL VAL ILE ASP ALA ASN TRP ARG          
SEQRES   4 A  434  TRP THR HIS ALA THR ASN SER SER THR ASN CYS TYR ASP          
SEQRES   5 A  434  GLY ASN THR TRP SER SER THR LEU CYS PRO ASP ASN GLU          
SEQRES   6 A  434  THR CYS ALA LYS ASN CYS CYS LEU ASP GLY ALA ALA TYR          
SEQRES   7 A  434  ALA SER THR TYR GLY VAL THR THR SER GLY ASN SER LEU          
SEQRES   8 A  434  SER ILE ASP PHE VAL THR GLN SER ALA GLN LYS ASN VAL          
SEQRES   9 A  434  GLY ALA ARG LEU TYR LEU MET ALA SER ASP THR THR TYR          
SEQRES  10 A  434  GLN GLU PHE THR LEU LEU GLY ASN GLU PHE SER PHE ASP          
SEQRES  11 A  434  VAL ASP VAL SER GLN LEU PRO CYS GLY LEU ASN GLY ALA          
SEQRES  12 A  434  LEU TYR PHE VAL SER MET ASP ALA ASP GLY GLY VAL SER          
SEQRES  13 A  434  LYS TYR PRO THR ASN THR ALA GLY ALA LYS TYR GLY THR          
SEQRES  14 A  434  GLY TYR CYS ASP SER GLN CYS PRO ARG ASP LEU LYS PHE          
SEQRES  15 A  434  ILE ASN GLY GLN ALA ASN VAL GLU GLY TRP GLU PRO SER          
SEQRES  16 A  434  SER ASN ASN ALA ASN THR GLY ILE GLY GLY HIS GLY SER          
SEQRES  17 A  434  CYS CYS SER GLN MET ASP ILE TRP GLU ALA ASN SER ILE          
SEQRES  18 A  434  SER GLU ALA LEU THR PRO HIS PRO CYS THR THR VAL GLY          
SEQRES  19 A  434  GLN GLU ILE CYS GLU GLY ASP GLY CYS GLY GLY THR TYR          
SEQRES  20 A  434  SER ASP ASN ARG TYR GLY GLY THR CYS ASP PRO ASP GLY          
SEQRES  21 A  434  CYS ASP TRP ASN PRO TYR ARG LEU GLY ASN THR SER PHE          
SEQRES  22 A  434  TYR GLY PRO GLY SER SER PHE THR LEU ASP THR THR LYS          
SEQRES  23 A  434  LYS LEU THR VAL VAL THR GLN PHE GLU THR SER GLY ALA          
SEQRES  24 A  434  ILE ASN ARG TYR TYR VAL GLN ASN GLY VAL THR PHE GLN          
SEQRES  25 A  434  GLN PRO ASN ALA GLU LEU GLY SER TYR SER GLY ASN GLU          
SEQRES  26 A  434  LEU ASN ASP ASP TYR CYS THR ALA GLU GLU ALA GLU PHE          
SEQRES  27 A  434  GLY GLY SER SER PHE SER ASP LYS GLY GLY LEU THR GLN          
SEQRES  28 A  434  PHE LYS LYS ALA THR SER GLY GLY MET VAL LEU VAL MET          
SEQRES  29 A  434  SER LEU TRP ASP ASP TYR TYR ALA ASN MET LEU TRP LEU          
SEQRES  30 A  434  ASP SER THR TYR PRO THR ASN GLU THR SER SER THR PRO          
SEQRES  31 A  434  GLY ALA VAL ARG GLY SER CYS SER THR SER SER GLY VAL          
SEQRES  32 A  434  PRO ALA GLN VAL GLU SER GLN SER PRO ASN ALA LYS VAL          
SEQRES  33 A  434  THR PHE SER ASN ILE LYS PHE GLY PRO ILE GLY SER THR          
SEQRES  34 A  434  GLY ASN PRO SER GLY                                          
SEQRES   1 B  434  PCA SER ALA CYS THR LEU GLN SER GLU THR HIS PRO PRO          
SEQRES   2 B  434  LEU THR TRP GLN LYS CYS SER SER GLY GLY THR CYS THR          
SEQRES   3 B  434  GLN GLN THR GLY SER VAL VAL ILE ASP ALA ASN TRP ARG          
SEQRES   4 B  434  TRP THR HIS ALA THR ASN SER SER THR ASN CYS TYR ASP          
SEQRES   5 B  434  GLY ASN THR TRP SER SER THR LEU CYS PRO ASP ASN GLU          
SEQRES   6 B  434  THR CYS ALA LYS ASN CYS CYS LEU ASP GLY ALA ALA TYR          
SEQRES   7 B  434  ALA SER THR TYR GLY VAL THR THR SER GLY ASN SER LEU          
SEQRES   8 B  434  SER ILE ASP PHE VAL THR GLN SER ALA GLN LYS ASN VAL          
SEQRES   9 B  434  GLY ALA ARG LEU TYR LEU MET ALA SER ASP THR THR TYR          
SEQRES  10 B  434  GLN GLU PHE THR LEU LEU GLY ASN GLU PHE SER PHE ASP          
SEQRES  11 B  434  VAL ASP VAL SER GLN LEU PRO CYS GLY LEU ASN GLY ALA          
SEQRES  12 B  434  LEU TYR PHE VAL SER MET ASP ALA ASP GLY GLY VAL SER          
SEQRES  13 B  434  LYS TYR PRO THR ASN THR ALA GLY ALA LYS TYR GLY THR          
SEQRES  14 B  434  GLY TYR CYS ASP SER GLN CYS PRO ARG ASP LEU LYS PHE          
SEQRES  15 B  434  ILE ASN GLY GLN ALA ASN VAL GLU GLY TRP GLU PRO SER          
SEQRES  16 B  434  SER ASN ASN ALA ASN THR GLY ILE GLY GLY HIS GLY SER          
SEQRES  17 B  434  CYS CYS SER GLN MET ASP ILE TRP GLU ALA ASN SER ILE          
SEQRES  18 B  434  SER GLU ALA LEU THR PRO HIS PRO CYS THR THR VAL GLY          
SEQRES  19 B  434  GLN GLU ILE CYS GLU GLY ASP GLY CYS GLY GLY THR TYR          
SEQRES  20 B  434  SER ASP ASN ARG TYR GLY GLY THR CYS ASP PRO ASP GLY          
SEQRES  21 B  434  CYS ASP TRP ASN PRO TYR ARG LEU GLY ASN THR SER PHE          
SEQRES  22 B  434  TYR GLY PRO GLY SER SER PHE THR LEU ASP THR THR LYS          
SEQRES  23 B  434  LYS LEU THR VAL VAL THR GLN PHE GLU THR SER GLY ALA          
SEQRES  24 B  434  ILE ASN ARG TYR TYR VAL GLN ASN GLY VAL THR PHE GLN          
SEQRES  25 B  434  GLN PRO ASN ALA GLU LEU GLY SER TYR SER GLY ASN GLU          
SEQRES  26 B  434  LEU ASN ASP ASP TYR CYS THR ALA GLU GLU ALA GLU PHE          
SEQRES  27 B  434  GLY GLY SER SER PHE SER ASP LYS GLY GLY LEU THR GLN          
SEQRES  28 B  434  PHE LYS LYS ALA THR SER GLY GLY MET VAL LEU VAL MET          
SEQRES  29 B  434  SER LEU TRP ASP ASP TYR TYR ALA ASN MET LEU TRP LEU          
SEQRES  30 B  434  ASP SER THR TYR PRO THR ASN GLU THR SER SER THR PRO          
SEQRES  31 B  434  GLY ALA VAL ARG GLY SER CYS SER THR SER SER GLY VAL          
SEQRES  32 B  434  PRO ALA GLN VAL GLU SER GLN SER PRO ASN ALA LYS VAL          
SEQRES  33 B  434  THR PHE SER ASN ILE LYS PHE GLY PRO ILE GLY SER THR          
SEQRES  34 B  434  GLY ASN PRO SER GLY                                          
MODRES 2CEL ASN A  270  ASN  GLYCOSYLATION SITE                                 
MODRES 2CEL ASN B  270  ASN  GLYCOSYLATION SITE                                 
MODRES 2CEL PCA A    1  GLN  PYROGLUTAMIC ACID                                  
MODRES 2CEL PCA B    1  GLN  PYROGLUTAMIC ACID                                  
HET    PCA  A   1       8                                                       
HET    PCA  B   1       8                                                       
HET    NAG  A 435      14                                                       
HET     CA  A1000       1                                                       
HET    NAG  B 435      14                                                       
HET     CA  B1000       1                                                       
HETNAM     PCA PYROGLUTAMIC ACID                                                
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-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                         
FORMUL   1  PCA    2(C5 H7 N O3)                                                
FORMUL   3  NAG    2(C8 H15 N O6)                                               
FORMUL   4   CA    2(CA 2+)                                                     
FORMUL   7  HOH   *512(H2 O)                                                    
HELIX    1  A1 ALA A   36  TRP A   38  5                                   3    
HELIX    2  A2 ASN A   64  ASN A   70  1                                   7    
HELIX    3  A3 TYR A   78  TYR A   82  1                                   5    
HELIX    4  A4 ALA A  165  TYR A  167  5                                   3    
HELIX    5  A5 GLY A  240  CYS A  243  5                                   4    
HELIX    6  A6 ASP A  328  PHE A  338  1                                  11    
HELIX    7  A7 SER A  342  ASP A  345  1                                   4    
HELIX    8  A8 GLY A  348  THR A  356  1                                   9    
HELIX    9  A9 LEU A  375  ASP A  378  1                                   4    
HELIX   10 A10 PRO A  404  GLN A  410  1                                   7    
HELIX   11  B1 ALA B   36  TRP B   38  5                                   3    
HELIX   12  B2 ASN B   64  ASN B   70  1                                   7    
HELIX   13  B3 TYR B   78  TYR B   82  1                                   5    
HELIX   14  B4 ALA B  165  TYR B  167  5                                   3    
HELIX   15  B5 GLY B  240  CYS B  243  5                                   4    
HELIX   16  B6 ASP B  328  PHE B  338  1                                  11    
HELIX   17  B7 SER B  342  ASP B  345  1                                   4    
HELIX   18  B8 GLY B  348  THR B  356  1                                   9    
HELIX   19  B9 LEU B  375  ASP B  378  1                                   4    
HELIX   20 B10 PRO B  404  GLN B  410  1                                   7    
SHEET    1  AA11 VAL A 309  GLN A 312  0                                        
SHEET    2  AA11 ILE A 300  GLN A 306 -1  N  GLN A 306   O  VAL A 309           
SHEET    3  AA11 LEU A 288  PHE A 294 -1  N  GLN A 293   O  ASN A 301           
SHEET    4  AA11 ASN A 125  VAL A 131 -1  N  VAL A 131   O  LEU A 288           
SHEET    5  AA11 LYS A 422  PRO A 425 -1  N  GLY A 424   O  GLU A 126           
SHEET    6  AA11 PRO A  12  CYS A  19  1  N  GLN A  17   O  PHE A 423           
SHEET    7  AA11 CYS A  25  ILE A  34 -1  N  VAL A  32   O  PRO A  12           
SHEET    8  AA11 ALA A 106  MET A 111 -1  N  MET A 111   O  SER A  31           
SHEET    9  AA11 VAL A 361  ASP A 368 -1  N  LEU A 366   O  ALA A 106           
SHEET   10  AA11 LEU A 140  VAL A 147 -1  N  VAL A 147   O  VAL A 361           
SHEET   11  AA11 TRP A 216  ALA A 218 -1  N  ALA A 218   O  GLY A 142           
SHEET    1  AB 2 THR A  41  ALA A  43  0                                        
SHEET    2  AB 2 CYS A  71  LEU A  73 -1  N  CYS A  72   O  HIS A  42           
SHEET    1  AC 4 VAL A  84  SER A  87  0                                        
SHEET    2  AC 4 SER A  90  ASP A  94 -1  N  SER A  92   O  THR A  85           
SHEET    3  AC 4 LYS A 415  SER A 419 -1  N  PHE A 418   O  LEU A  91           
SHEET    4  AC 4 ASP A 130  ASP A 132 -1  N  ASP A 132   O  THR A 417           
SHEET    1  AD 2 VAL A  96  GLN A  98  0                                        
SHEET    2  AD 2 LYS A 102  VAL A 104 -1  N  ASN A 103   O  THR A  97           
SHEET    1  AE 2 GLU A 119  THR A 121  0                                        
SHEET    2  AE 2 GLY A 359  VAL A 361 -1  N  MET A 360   O  PHE A 120           
SHEET    1  AF 2 HIS A 206  CYS A 209  0                                        
SHEET    2  AF 2 GLU A 236  GLU A 239 -1  N  CYS A 238   O  GLY A 207           
SHEET    1  AG 3 GLN A 212  ASP A 214  0                                        
SHEET    2  AG 3 LEU A 225  HIS A 228 -1  N  HIS A 228   O  GLN A 212           
SHEET    3  AG 3 CYS A 261  TRP A 263 -1  N  TRP A 263   O  LEU A 225           
SHEET    1  AH 2 ALA A 316  LEU A 318  0                                        
SHEET    2  AH 2 TYR A 321  GLY A 323 -1  N  GLY A 323   O  ALA A 316           
SHEET    1  BA11 VAL B 309  GLN B 312  0                                        
SHEET    2  BA11 ILE B 300  GLN B 306 -1  N  GLN B 306   O  VAL B 309           
SHEET    3  BA11 LEU B 288  PHE B 294 -1  N  GLN B 293   O  ASN B 301           
SHEET    4  BA11 ASN B 125  VAL B 131 -1  N  VAL B 131   O  LEU B 288           
SHEET    5  BA11 LYS B 422  PRO B 425 -1  N  GLY B 424   O  GLU B 126           
SHEET    6  BA11 PRO B  12  CYS B  19  1  N  GLN B  17   O  PHE B 423           
SHEET    7  BA11 CYS B  25  ILE B  34 -1  N  VAL B  32   O  PRO B  12           
SHEET    8  BA11 ALA B 106  MET B 111 -1  N  MET B 111   O  SER B  31           
SHEET    9  BA11 VAL B 361  ASP B 368 -1  N  LEU B 366   O  ALA B 106           
SHEET   10  BA11 LEU B 140  VAL B 147 -1  N  VAL B 147   O  VAL B 361           
SHEET   11  BA11 TRP B 216  ALA B 218 -1  N  ALA B 218   O  GLY B 142           
SHEET    1  BB 2 THR B  41  ALA B  43  0                                        
SHEET    2  BB 2 CYS B  71  LEU B  73 -1  N  CYS B  72   O  HIS B  42           
SHEET    1  BC 4 VAL B  84  SER B  87  0                                        
SHEET    2  BC 4 SER B  90  ASP B  94 -1  N  SER B  92   O  THR B  85           
SHEET    3  BC 4 LYS B 415  SER B 419 -1  N  PHE B 418   O  LEU B  91           
SHEET    4  BC 4 ASP B 130  ASP B 132 -1  N  ASP B 132   O  THR B 417           
SHEET    1  BD 2 VAL B  96  GLN B  98  0                                        
SHEET    2  BD 2 LYS B 102  VAL B 104 -1  N  ASN B 103   O  THR B  97           
SHEET    1  BE 2 GLU B 119  THR B 121  0                                        
SHEET    2  BE 2 GLY B 359  VAL B 361 -1  N  MET B 360   O  PHE B 120           
SHEET    1  BF 2 HIS B 206  CYS B 209  0                                        
SHEET    2  BF 2 GLU B 236  GLU B 239 -1  N  CYS B 238   O  GLY B 207           
SHEET    1  BG 3 GLN B 212  ASP B 214  0                                        
SHEET    2  BG 3 LEU B 225  HIS B 228 -1  N  HIS B 228   O  GLN B 212           
SHEET    3  BG 3 CYS B 261  TRP B 263 -1  N  TRP B 263   O  LEU B 225           
SHEET    1  BH 2 ALA B 316  LEU B 318  0                                        
SHEET    2  BH 2 TYR B 321  GLY B 323 -1  N  GLY B 323   O  ALA B 316           
SSBOND   1 CYS A    4    CYS A   72                          1555   1555  2.03  
SSBOND   2 CYS A   19    CYS A   25                          1555   1555  2.03  
SSBOND   3 CYS A   50    CYS A   71                          1555   1555  2.02  
SSBOND   4 CYS A   61    CYS A   67                          1555   1555  2.03  
SSBOND   5 CYS A  138    CYS A  397                          1555   1555  2.02  
SSBOND   6 CYS A  172    CYS A  210                          1555   1555  2.03  
SSBOND   7 CYS A  176    CYS A  209                          1555   1555  2.03  
SSBOND   8 CYS A  230    CYS A  256                          1555   1555  2.03  
SSBOND   9 CYS A  238    CYS A  243                          1555   1555  2.03  
SSBOND  10 CYS A  261    CYS A  331                          1555   1555  2.04  
SSBOND  11 CYS B    4    CYS B   72                          1555   1555  2.03  
SSBOND  12 CYS B   19    CYS B   25                          1555   1555  2.03  
SSBOND  13 CYS B   50    CYS B   71                          1555   1555  2.02  
SSBOND  14 CYS B   61    CYS B   67                          1555   1555  2.03  
SSBOND  15 CYS B  138    CYS B  397                          1555   1555  2.02  
SSBOND  16 CYS B  172    CYS B  210                          1555   1555  2.03  
SSBOND  17 CYS B  176    CYS B  209                          1555   1555  2.03  
SSBOND  18 CYS B  230    CYS B  256                          1555   1555  2.03  
SSBOND  19 CYS B  238    CYS B  243                          1555   1555  2.03  
SSBOND  20 CYS B  261    CYS B  331                          1555   1555  2.04  
LINK         C   PCA A   1                 N   SER A   2     1555   1555  1.33  
LINK         ND2 ASN A 270                 C1  NAG A 435     1555   1555  1.46  
LINK         C   PCA B   1                 N   SER B   2     1555   1555  1.33  
LINK         ND2 ASN B 270                 C1  NAG B 435     1555   1555  1.46  
LINK         OE1 GLU A 295                CA    CA A1000     1555   1555  2.71  
LINK         OE2 GLU A 295                CA    CA A1000     1555   1555  2.65  
LINK         OE1 GLU A 295                CA    CA B1000     3546   1555  2.55  
LINK         OE2 GLU A 295                CA    CA B1000     3546   1555  2.52  
LINK         OE2 GLU A 325                CA    CA A1000     1555   1555  2.59  
LINK         OE2 GLU A 325                CA    CA B1000     3546   1555  2.43  
LINK        CA    CA A1000                 O   HOH A1001     1555   1555  2.41  
LINK        CA    CA A1000                 OE1 GLU B 295     1555   3556  2.61  
LINK        CA    CA A1000                 OE2 GLU B 295     1555   3556  2.49  
LINK        CA    CA A1000                 OE2 GLU B 325     1555   3556  2.45  
LINK        CA    CA A1000                 O   HOH B1001     1555   3556  2.35  
LINK         O   HOH A1001                CA    CA B1000     3546   1555  2.46  
LINK         OE1 GLU B 295                CA    CA B1000     1555   1555  2.71  
LINK         OE2 GLU B 295                CA    CA B1000     1555   1555  2.65  
LINK         OE2 GLU B 325                CA    CA B1000     1555   1555  2.59  
LINK        CA    CA B1000                 O   HOH B1001     1555   1555  2.41  
CISPEP   1 TYR A  381    PRO A  382          0        -0.40                     
CISPEP   2 TYR B  381    PRO B  382          0        -0.42                     
SITE     1 CTA  4 GLN A 212  ASP A 214  GLU A 217  HIS A 228                    
SITE     1 CAA  4  CA A1000  HOH A1001  GLU A 295  GLU A 325                    
SITE     1 CTB  4 GLN B 212  ASP B 214  GLU B 217  HIS B 228                    
SITE     1 CAB  4  CA B1000  HOH B1001  GLU B 295  GLU B 325                    
CRYST1   84.000   86.200  111.500  90.00  90.00  90.00 P 21 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      0.011905  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011601  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008969        0.00000                         
MTRIX1   1  0.999884 -0.015173  0.001406      -38.11990    1                    
MTRIX2   1  0.015181  0.999866 -0.006111      -43.13890    1                    
MTRIX3   1 -0.001313  0.006131  0.999980      -56.18730    1                    
HETATM    1  N   PCA A   1      37.722  59.407  40.021  1.00 18.99           N  
HETATM    2  CA  PCA A   1      37.344  60.578  39.230  1.00 18.99           C  
HETATM    3  CB  PCA A   1      36.236  61.296  39.990  1.00 15.35           C  
HETATM    4  CG  PCA A   1      36.602  60.972  41.405  1.00 15.35           C  
HETATM    5  CD  PCA A   1      37.294  59.603  41.279  1.00 15.35           C  
HETATM    6  OE  PCA A   1      37.499  58.815  42.228  1.00 15.35           O  
HETATM    7  C   PCA A   1      38.520  61.532  39.041  1.00 18.99           C  
HETATM    8  O   PCA A   1      39.460  61.545  39.839  1.00 18.99           O