HEADER    HYDROLASE                               10-JUL-05   2A8Z              
TITLE     STRUCTURE OF A COLD-ADAPTED FAMILY 8 XYLANASE                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDO-1,4-BETA-XYLANASE;                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.2.1.8;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOALTEROMONAS HALOPLANKTIS;                 
SOURCE   3 ORGANISM_TAXID: 228;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET22B                                    
KEYWDS    HYDROLASE, XYLAN DEGRADATION, PSYCHROPHILIC, COLD ADAPTATION,         
KEYWDS   2 TEMPERATURE, GLYCOSYL HYDROLASE, FAMILY 8                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.COLLINS,D.DE VOS,A.HOYOUX,S.N.SAVVIDES,C.GERDAY,J.VAN BEEUMEN,      
AUTHOR   2 G.FELLER                                                             
REVDAT   5   30-OCT-24 2A8Z    1       REMARK                                   
REVDAT   4   23-AUG-23 2A8Z    1       REMARK                                   
REVDAT   3   20-OCT-21 2A8Z    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2A8Z    1       VERSN                                    
REVDAT   1   20-DEC-05 2A8Z    0                                                
JRNL        AUTH   T.COLLINS,D.DE VOS,A.HOYOUX,S.N.SAVVIDES,C.GERDAY,           
JRNL        AUTH 2 J.VAN BEEUMEN,G.FELLER                                       
JRNL        TITL   STUDY OF THE ACTIVE SITE RESIDUES OF A GLYCOSIDE HYDROLASE   
JRNL        TITL 2 FAMILY 8 XYLANASE.                                           
JRNL        REF    J.MOL.BIOL.                   V. 354   425 2005              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16246370                                                     
JRNL        DOI    10.1016/J.JMB.2005.09.064                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.20 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) : 3.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 12.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 7938                           
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) : 0.219                           
REMARK   3   R VALUE            (WORKING SET) : 0.216                           
REMARK   3   FREE R VALUE                     : 0.276                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 392                             
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) : 3.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.28                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 545                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2490                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 37                           
REMARK   3   BIN FREE R VALUE                    : 0.3520                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3203                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 57                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.67                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.64000                                              
REMARK   3    B22 (A**2) : 4.64000                                              
REMARK   3    B33 (A**2) : -6.96000                                             
REMARK   3    B12 (A**2) : 2.32000                                              
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): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.588         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.409         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 22.902        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.902                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.832                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3299 ; 0.008 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4483 ; 1.080 ; 1.908       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   403 ; 5.569 ; 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):   448 ; 0.077 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2635 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2032 ; 0.219 ; 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):   170 ; 0.160 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    32 ; 0.288 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     7 ; 0.257 ; 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):  2002 ; 0.471 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3178 ; 0.889 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1297 ; 0.887 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1305 ; 1.544 ; 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 2A8Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033636.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-FEB-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X13                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8034                             
REMARK 200  MONOCHROMATOR                  : - TRIANGULAR MONO CHROMATOR -      
REMARK 200                                   BENT MIRROR                        
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8337                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 12.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.27                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
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: 1H13                                      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.40                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG8000, SODIUM CACODYLATE, AMMONIUM     
REMARK 280  ACETATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       49.87800            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       99.75600            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       99.75600            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       49.87800            
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 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 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     ASN A   405                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASN A  28    CG   OD1  ND2                                       
REMARK 470     GLN A  31    CG   CD   OE1  NE2                                  
REMARK 470     ASN A  45    CG   OD1  ND2                                       
REMARK 470     ASP A  70    CG   OD1  OD2                                       
REMARK 470     GLU A  71    CG   CD   OE1  OE2                                  
REMARK 470     ASN A 177    CG   OD1  ND2                                       
REMARK 470     ASN A 186    CG   OD1  ND2                                       
REMARK 470     ARG A 226    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN A 362    CG   OD1  ND2                                       
REMARK 470     GLU A 363    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 367    CG   CD   OE1  OE2                                  
REMARK 470     PHE A 404    O                                                   
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  97   CB  -  CG  -  OD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ASP A 292   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 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    MET A  24        3.15    -67.18                                   
REMARK 500    TYR A  43       94.10    -67.47                                   
REMARK 500    ASN A  45       45.55     30.84                                   
REMARK 500    THR A  46      -67.69   -131.79                                   
REMARK 500    ALA A  66       81.94    -68.61                                   
REMARK 500    ASP A  70      -86.38    -91.88                                   
REMARK 500    ASP A  73      136.70    -38.15                                   
REMARK 500    ASN A 197       60.99     32.43                                   
REMARK 500    GLN A 271      106.49    -36.38                                   
REMARK 500    ASN A 319       20.81    -67.97                                   
REMARK 500    ASN A 336       73.54     40.27                                   
REMARK 500    PRO A 374      124.31    -39.22                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1H12   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1H13   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1H14   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1XW2   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1XWQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1XWT   RELATED DB: PDB                                   
DBREF  2A8Z A    1   405  UNP    Q8RJN8   Q8RJN8_ALTHA    22    426             
SEQADV 2A8Z ALA A  144  UNP  Q8RJN8    ASP   165 ENGINEERED MUTATION            
SEQRES   1 A  405  ALA PHE ASN ASN ASN PRO SER SER VAL GLY ALA TYR SER          
SEQRES   2 A  405  SER GLY THR TYR ARG ASN LEU ALA GLN GLU MET GLY LYS          
SEQRES   3 A  405  THR ASN ILE GLN GLN LYS VAL ASN SER THR PHE ASP ASN          
SEQRES   4 A  405  MET PHE GLY TYR ASN ASN THR GLN GLN LEU TYR TYR PRO          
SEQRES   5 A  405  TYR THR GLU ASN GLY VAL TYR LYS ALA HIS TYR ILE LYS          
SEQRES   6 A  405  ALA ILE ASN PRO ASP GLU GLY ASP ASP ILE ARG THR GLU          
SEQRES   7 A  405  GLY GLN SER TRP GLY MET THR ALA ALA VAL MET LEU ASN          
SEQRES   8 A  405  LYS GLN GLU GLU PHE ASP ASN LEU TRP ARG PHE ALA LYS          
SEQRES   9 A  405  ALA TYR GLN LYS ASN PRO ASP ASN HIS PRO ASP ALA LYS          
SEQRES  10 A  405  LYS GLN GLY VAL TYR ALA TRP LYS LEU LYS LEU ASN GLN          
SEQRES  11 A  405  ASN GLY PHE VAL TYR LYS VAL ASP GLU GLY PRO ALA PRO          
SEQRES  12 A  405  ALA GLY GLU GLU TYR PHE ALA PHE ALA LEU LEU ASN ALA          
SEQRES  13 A  405  SER ALA ARG TRP GLY ASN SER GLY GLU PHE ASN TYR TYR          
SEQRES  14 A  405  ASN ASP ALA ILE THR MET LEU ASN THR ILE LYS ASN LYS          
SEQRES  15 A  405  LEU MET GLU ASN GLN ILE ILE ARG PHE SER PRO TYR ILE          
SEQRES  16 A  405  ASP ASN LEU THR ASP PRO SER TYR HIS ILE PRO ALA PHE          
SEQRES  17 A  405  TYR ASP TYR PHE ALA ASN ASN VAL THR ASN GLN ALA ASP          
SEQRES  18 A  405  LYS ASN TYR TRP ARG GLN VAL ALA THR LYS SER ARG THR          
SEQRES  19 A  405  LEU LEU LYS ASN HIS PHE THR LYS VAL SER GLY SER PRO          
SEQRES  20 A  405  HIS TRP ASN LEU PRO THR PHE LEU SER ARG LEU ASP GLY          
SEQRES  21 A  405  SER PRO VAL ILE GLY TYR ILE PHE ASN GLY GLN ALA ASN          
SEQRES  22 A  405  PRO GLY GLN TRP TYR GLU PHE ASP ALA TRP ARG VAL ILE          
SEQRES  23 A  405  MET ASN VAL GLY LEU ASP ALA HIS LEU MET GLY ALA GLN          
SEQRES  24 A  405  ALA TRP HIS LYS SER ALA VAL ASN LYS ALA LEU GLY PHE          
SEQRES  25 A  405  LEU SER TYR ALA LYS THR ASN ASN SER LYS ASN CYS TYR          
SEQRES  26 A  405  GLU GLN VAL TYR SER TYR GLY GLY ALA GLN ASN ARG GLY          
SEQRES  27 A  405  CYS ALA GLY GLU GLY GLN LYS ALA ALA ASN ALA VAL ALA          
SEQRES  28 A  405  LEU LEU ALA SER THR ASN ALA GLY GLN ALA ASN GLU PHE          
SEQRES  29 A  405  PHE ASN GLU PHE TRP SER LEU SER GLN PRO THR GLY ASP          
SEQRES  30 A  405  TYR ARG TYR TYR ASN GLY SER LEU TYR MET LEU ALA MET          
SEQRES  31 A  405  LEU HIS VAL SER GLY ASN PHE LYS PHE TYR ASN ASN THR          
SEQRES  32 A  405  PHE ASN                                                      
FORMUL   2  HOH   *57(H2 O)                                                     
HELIX    1   1 GLY A   10  GLY A   15  1                                   6    
HELIX    2   2 ASN A   19  MET A   24  1                                   6    
HELIX    3   3 ASN A   28  GLY A   42  1                                  15    
HELIX    4   4 THR A   77  LEU A   90  1                                  14    
HELIX    5   5 LYS A   92  GLN A  107  1                                  16    
HELIX    6   6 ASP A  115  GLN A  119  5                                   5    
HELIX    7   7 ALA A  142  GLY A  161  1                                  20    
HELIX    8   8 ASN A  167  LEU A  183  1                                  17    
HELIX    9   9 ASP A  200  HIS A  204  5                                   5    
HELIX   10  10 ILE A  205  VAL A  216  1                                  12    
HELIX   11  11 ASN A  218  SER A  244  1                                  27    
HELIX   12  12 ASP A  281  TRP A  283  5                                   3    
HELIX   13  13 ARG A  284  MET A  296  1                                  13    
HELIX   14  14 GLN A  299  ASN A  319  1                                  21    
HELIX   15  15 GLY A  341  LEU A  352  1                                  12    
HELIX   16  16 ASN A  357  SER A  370  1                                  14    
HELIX   17  17 TYR A  378  VAL A  393  1                                  16    
SHEET    1   A 2 TYR A  50  GLU A  55  0                                        
SHEET    2   A 2 VAL A  58  ILE A  64 -1  O  TYR A  63   N  TYR A  51           
SHEET    1   B 3 ILE A  75  ARG A  76  0                                        
SHEET    2   B 3 LYS A 125  LEU A 128 -1  O  LEU A 126   N  ILE A  75           
SHEET    3   B 3 VAL A 134  ASP A 138 -1  O  TYR A 135   N  LYS A 127           
SHEET    1   C 3 TRP A 277  TYR A 278  0                                        
SHEET    2   C 3 TYR A 329  SER A 330 -1  O  TYR A 329   N  TYR A 278           
SHEET    3   C 3 GLY A 333  ALA A 334 -1  O  GLY A 333   N  SER A 330           
SSBOND   1 CYS A  324    CYS A  339                          1555   1555  2.04  
CISPEP   1 SER A  246    PRO A  247          0         8.26                     
CRYST1   77.779   77.779  149.634  90.00  90.00 120.00 P 31 2 1      6          
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      0.012857  0.007423  0.000000        0.00000                         
SCALE2      0.000000  0.014846  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006683        0.00000