HEADER    LYASE                                   08-APR-02   1GXO              
TITLE     MUTANT D189A OF FAMILY 10 POLYSACCHARIDE LYASE FROM CELLVIBRIO        
TITLE    2 CELLULOSA IN COMPLEX WITH TRIGALATURONIC ACID                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PECTATE LYASE;                                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC MODULE, RESIDUES 327-649;                        
COMPND   5 SYNONYM: POLYGALACTURONIC ACID LYASE;                                
COMPND   6 EC: 4.2.2.2;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES;                                                       
COMPND   9 OTHER_DETAILS: COMPLEX WITH TRIGALACTURONIC ACID                     
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CELLVIBRIO CELLULOSA;                           
SOURCE   3 ORGANISM_TAXID: 155077;                                              
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: B834;                                      
SOURCE   7 EXPRESSION_SYSTEM_VARIANT: DE3;                                      
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET28A                                    
KEYWDS    LYASE, PECTATE, ELIMINATION                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.CHARNOCK,I.E.BROWN,J.P.TURKENBURG,G.W.BLACK,G.J.DAVIES            
REVDAT   5   08-MAY-24 1GXO    1       HETSYN LINK                              
REVDAT   4   29-JUL-20 1GXO    1       COMPND REMARK HETNAM LINK                
REVDAT   4 2                   1       SITE   ATOM                              
REVDAT   3   22-MAY-19 1GXO    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1GXO    1       VERSN                                    
REVDAT   1   04-OCT-02 1GXO    0                                                
JRNL        AUTH   S.J.CHARNOCK,I.E.BROWN,J.P.TURKENBURG,G.W.BLACK,G.J.DAVIES   
JRNL        TITL   CONVERGENT EVOLUTION SHEDS LIGHT ON THE                      
JRNL        TITL 2 ANTI-BETA-ELIMINATION MECHANISM COMMON TO FAMILY 1 AND 10    
JRNL        TITL 3 POLYSACCHARIDE LYASES                                        
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  99 12067 2002              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   12221284                                                     
JRNL        DOI    10.1073/PNAS.182431199                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.05 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.08                                        
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) : 2.05                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 52.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 79.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 13414                          
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) : 0.176                           
REMARK   3   R VALUE            (WORKING SET) : 0.173                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 705                             
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) : 2.05                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.10                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 339                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1630                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 11                           
REMARK   3   BIN FREE R VALUE                    : 0.3020                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2504                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 38                                      
REMARK   3   SOLVENT ATOMS            : 171                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.88                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.13000                                             
REMARK   3    B22 (A**2) : 0.01000                                              
REMARK   3    B33 (A**2) : 0.11000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.407         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.232         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.154         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.914         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.947                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.912                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2620 ; 0.012 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3559 ; 1.316 ; 1.936       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   319 ; 5.248 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   131 ;35.377 ;23.817       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   401 ;15.148 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    18 ;20.694 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   376 ; 0.090 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2047 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1332 ; 0.209 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   184 ; 0.155 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     1 ; 0.171 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    51 ; 0.269 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    12 ; 0.264 ; 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):  1578 ; 0.586 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2516 ; 1.076 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1042 ; 1.882 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1043 ; 2.990 ; 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: NULL                                      
REMARK   4                                                                      
REMARK   4 1GXO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-APR-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290009443.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-FEB-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.20                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
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   : 14154                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.050                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 79.2                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.07300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.12                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 29.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: DATA INTEGRATED IN CORNERS OF DETECTOR                       
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 33.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS OF PEL10ACM WERE GROWN BY       
REMARK 280  VAPOUR-PHASE DIFFUSION USING THE HANGING-DROP METHOD WITH           
REMARK 280  SCREENING AS DESCRIBED BY BRZOZOWSKI & WALTON (2001 [[BRZOZOWSKI,   
REMARK 280  A.M. & WALTON, J.(2001). J. APPL. CRYST. 34, 97-101.]] ). THE       
REMARK 280  PROTEIN CONCENTRATION WAS 30 MG ML-1 IN NA MES BUFFER PH 5.2        
REMARK 280  CONTAINING KSCN AT A CONCENTRATION OF 200 MM. THE PRECIPITANT       
REMARK 280  WAS 20%(W/V) MONOMETHYL POLYETHYLENEGLYCOL 2000. 25MM CACL2 AND     
REMARK 280  20MM TRIGALACTURONIC ACID WERE ALSO ADDED., PH 5.20, VAPOR          
REMARK 280  DIFFUSION, HANGING DROP                                             
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       52.71400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.45850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       52.71400            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.45850            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 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, 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED MUTATION ASP 389 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     GLY A   318                                                      
REMARK 465     LEU A   319                                                      
REMARK 465     VAL A   320                                                      
REMARK 465     PRO A   321                                                      
REMARK 465     ARG A   322                                                      
REMARK 465     GLY A   323                                                      
REMARK 465     SER A   324                                                      
REMARK 465     HIS A   325                                                      
REMARK 465     MET A   326                                                      
REMARK 465     THR A   327                                                      
REMARK 465     GLY A   328                                                      
REMARK 465     LEU A   649                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  2029     O    HOH A  2057              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  2122     O    HOH A  2122     2565     2.16            
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 A 517   CB  -  CG  -  OD2 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP A 576   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 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    LYS A 369      163.98    176.88                                   
REMARK 500    TYR A 373        4.55    -67.88                                   
REMARK 500    THR A 393      -65.33     69.48                                   
REMARK 500    ASN A 452       17.34     56.99                                   
REMARK 500    ASP A 472       44.61    -93.10                                   
REMARK 500    THR A 473     -157.54   -117.73                                   
REMARK 500    THR A 507     -111.44   -127.51                                   
REMARK 500    VAL A 508     -142.57   -128.50                                   
REMARK 500    TYR A 518       -2.34     68.76                                   
REMARK 500    ALA A 523     -116.11   -123.32                                   
REMARK 500    SER A 530      164.73    173.07                                   
REMARK 500    THR A 582      -50.18   -121.67                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 A1652  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A 390   OD1                                                    
REMARK 620 2 ASP A 451   OD1  72.9                                              
REMARK 620 3 ASP A 451   OD2  49.9  39.6                                        
REMARK 620 4 HOH A2095   O   132.0  73.2  82.5                                  
REMARK 620 5 HOH A2168   O    68.4  84.1  48.3  75.3                            
REMARK 620 6 HOH A2169   O    67.9  98.9 109.6 150.7 132.9                      
REMARK 620 7 ADA B   2   O6B  81.4 136.7  97.5 101.7  53.9 102.9                
REMARK 620 8 ADA B   3   O6A 145.2 107.7 146.3  78.0 146.0  77.9 113.2          
REMARK 620 9 ADA B   3   O5  109.4 144.5 159.2 118.1 130.6  53.9  76.7  49.8    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1GXM   RELATED DB: PDB                                   
REMARK 900 FAMILY 10 POLYSACCHARIDE LYASE FROM PSEUDEMONAS CELLULOSA            
REMARK 900 RELATED ID: 1GXN   RELATED DB: PDB                                   
REMARK 900 FAMILY 10 POLYSACCHARIDE LYASE FROM PSEUDEMONAS CELLULOSA            
DBREF  1GXO A  318   326  PDB    1GXO     1GXO           318    326             
DBREF  1GXO A  327   649  UNP    Q9F7L3   Q9F7L3         327    649             
SEQADV 1GXO ALA A  389  UNP  Q9F7L3    ASP   389 ENGINEERED MUTATION            
SEQRES   1 A  332  GLY LEU VAL PRO ARG GLY SER HIS MET THR GLY ARG MET          
SEQRES   2 A  332  LEU THR LEU ASP GLY ASN PRO ALA ALA ASN TRP LEU ASN          
SEQRES   3 A  332  ASN ALA ARG THR LYS TRP SER ALA SER ARG ALA ASP VAL          
SEQRES   4 A  332  VAL LEU SER TYR GLN GLN ASN ASN GLY GLY TRP PRO LYS          
SEQRES   5 A  332  ASN LEU ASP TYR ASN SER VAL GLY ASN GLY GLY GLY GLY          
SEQRES   6 A  332  ASN GLU SER GLY THR ILE ALA ASN GLY ALA THR ILE THR          
SEQRES   7 A  332  GLU MET VAL PHE LEU ALA GLU VAL TYR LYS SER GLY GLY          
SEQRES   8 A  332  ASN THR LYS TYR ARG ASP ALA VAL ARG LYS ALA ALA ASN          
SEQRES   9 A  332  PHE LEU VAL ASN SER GLN TYR SER THR GLY ALA LEU PRO          
SEQRES  10 A  332  GLN PHE TYR PRO LEU LYS GLY GLY TYR SER ASP HIS ALA          
SEQRES  11 A  332  THR PHE ASN ASP ASN GLY MET ALA TYR ALA LEU THR VAL          
SEQRES  12 A  332  LEU ASP PHE ALA ALA ASN LYS ARG ALA PRO PHE ASP THR          
SEQRES  13 A  332  ASP VAL PHE SER ASP ASN ASP ARG THR ARG PHE LYS THR          
SEQRES  14 A  332  ALA VAL THR LYS GLY THR ASP TYR ILE LEU LYS ALA GLN          
SEQRES  15 A  332  TRP LYS GLN ASN GLY VAL LEU THR VAL TRP CYS ALA GLN          
SEQRES  16 A  332  HIS GLY ALA LEU ASP TYR GLN PRO LYS LYS ALA ARG ALA          
SEQRES  17 A  332  TYR GLU LEU GLU SER LEU SER GLY SER GLU SER VAL GLY          
SEQRES  18 A  332  VAL LEU ALA PHE LEU MET THR GLN PRO GLN THR ALA GLU          
SEQRES  19 A  332  ILE GLU GLN ALA VAL ARG ALA GLY VAL ALA TRP PHE ASN          
SEQRES  20 A  332  SER PRO ARG THR TYR LEU GLU GLY TYR THR TYR ASP SER          
SEQRES  21 A  332  SER LEU ALA ALA THR ASN PRO ILE VAL PRO ARG ALA GLY          
SEQRES  22 A  332  SER LYS MET TRP TYR ARG PHE TYR ASP LEU ASN THR ASN          
SEQRES  23 A  332  ARG GLY PHE PHE SER ASP ARG ASP GLY SER LYS PHE TYR          
SEQRES  24 A  332  ASP ILE THR GLN MET SER LEU GLU ARG ARG THR GLY TYR          
SEQRES  25 A  332  SER TRP GLY GLY ASN TYR GLY THR SER ILE ILE ASN PHE          
SEQRES  26 A  332  ALA GLN LYS VAL GLY TYR LEU                                  
HET    ADA  B   1      13                                                       
HET    ADA  B   2      12                                                       
HET    ADA  B   3      12                                                       
HET     CA  A1652       1                                                       
HETNAM     ADA ALPHA-D-GALACTOPYRANURONIC ACID                                  
HETNAM      CA CALCIUM ION                                                      
HETSYN     ADA ALPHA-D-GALACTURONIC ACID; D-GALACTURONIC ACID;                  
HETSYN   2 ADA  GALACTURONIC ACID; ALPHA D-GALACTURONIC ACID                    
FORMUL   2  ADA    3(C6 H10 O7)                                                 
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  HOH   *171(H2 O)                                                    
HELIX    1   1 ASN A  336  ARG A  346  1                                  11    
HELIX    2   2 SER A  350  SER A  352  5                                   3    
HELIX    3   3 ARG A  353  TYR A  360  1                                   8    
HELIX    4   4 ALA A  389  ALA A  392  5                                   4    
HELIX    5   5 THR A  393  GLY A  408  1                                  16    
HELIX    6   6 ASN A  409  GLN A  427  1                                  19    
HELIX    7   7 GLY A  441  HIS A  446  5                                   6    
HELIX    8   8 ASN A  452  ASN A  466  1                                  15    
HELIX    9   9 SER A  477  GLN A  499  1                                  23    
HELIX   10  10 GLU A  535  MET A  544  1                                  10    
HELIX   11  11 THR A  549  ASN A  564  1                                  16    
HELIX   12  12 SER A  577  ALA A  580  5                                   4    
HELIX   13  13 ASP A  617  MET A  621  5                                   5    
HELIX   14  14 SER A  622  TYR A  629  1                                   8    
HELIX   15  15 TYR A  635  VAL A  646  1                                  12    
SHEET    1  AA 2 GLY A 386  THR A 387  0                                        
SHEET    2  AA 2 PHE A 436  TYR A 437 -1  O  TYR A 437   N  GLY A 386           
SHEET    1  AB 2 ALA A 447  THR A 448  0                                        
SHEET    2  AB 2 GLN A 512  HIS A 513 -1  O  HIS A 513   N  ALA A 447           
SHEET    1  AC 2 LYS A 501  GLN A 502  0                                        
SHEET    2  AC 2 VAL A 505  LEU A 506 -1  O  VAL A 505   N  GLN A 502           
SHEET    1  AD 2 LEU A 531  SER A 532  0                                        
SHEET    2  AD 2 PHE A 597  TYR A 598 -1  O  TYR A 598   N  LEU A 531           
SHEET    1  AE 3 LEU A 570  TYR A 575  0                                        
SHEET    2  AE 3 ILE A 585  TYR A 595 -1  O  VAL A 586   N  THR A 574           
SHEET    3  AE 3 GLY A 632  GLY A 633 -1  O  GLY A 633   N  TRP A 594           
LINK         O4  ADA B   1                 C1  ADA B   2     1555   1555  1.46  
LINK         O4  ADA B   2                 C1  ADA B   3     1555   1555  1.46  
LINK         OD1 ASN A 390                CA    CA A1652     1555   1555  3.28  
LINK         OD1 ASP A 451                CA    CA A1652     1555   1555  2.81  
LINK         OD2 ASP A 451                CA    CA A1652     1555   1555  3.36  
LINK        CA    CA A1652                 O   HOH A2095     1555   1555  2.49  
LINK        CA    CA A1652                 O   HOH A2168     1555   1555  3.00  
LINK        CA    CA A1652                 O   HOH A2169     1555   1555  2.25  
LINK        CA    CA A1652                 O6B ADA B   2     1555   1555  2.69  
LINK        CA    CA A1652                 O6A ADA B   3     1555   1555  2.98  
LINK        CA    CA A1652                 O5  ADA B   3     1555   1555  3.32  
CISPEP   1 TYR A  437    PRO A  438          0        -4.30                     
CISPEP   2 ALA A  469    PRO A  470          0         4.85                     
CRYST1  105.428   54.917   47.185  90.00  90.00  90.00 P 21 21 2     4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.009485  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018209  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021193        0.00000