HEADER    HYBRID PROTEIN                          29-MAY-96   1IUD              
TITLE     MALTODEXTRIN-BINDING PROTEIN INSERTION/DELETION MUTANT WITH AN        
TITLE    2 INSERTED B-CELL EPITOPE FROM THE PRES2 REGION OF HEPATITIS B VIRUS   
CAVEAT     1IUD    GLC B 1 HAS WRONG CHIRALITY AT ATOM C1                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MALTODEXTRIN-BINDING PROTEIN MALE-B133;                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: MALE-B133;                                                     
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PD1;                                      
SOURCE   8 EXPRESSION_SYSTEM_GENE: MALE-B133                                    
KEYWDS    PRES2 EPITOPE ANTIGEN VIRUS, VIRAL EPITOPE INSERTION, HYBRID PROTEIN, 
KEYWDS   2 SUGAR TRANSPORT                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.A.SAUL,B.VULLIEZ-LE NORMAND,F.LEMA,G.A.BENTLEY                      
REVDAT   6   03-APR-24 1IUD    1       REMARK                                   
REVDAT   5   07-FEB-24 1IUD    1       HETSYN                                   
REVDAT   4   29-JUL-20 1IUD    1       CAVEAT COMPND REMARK SEQADV              
REVDAT   4 2                   1       HET    HETNAM FORMUL LINK                
REVDAT   4 3                   1       SITE   ATOM                              
REVDAT   3   24-FEB-09 1IUD    1       VERSN                                    
REVDAT   2   01-APR-03 1IUD    1       JRNL                                     
REVDAT   1   05-JUN-97 1IUD    0                                                
JRNL        AUTH   F.A.SAUL,B.VULLIEZ-LE NORMAND,F.LEMA,G.A.BENTLEY             
JRNL        TITL   CRYSTAL STRUCTURE OF A RECOMBINANT FORM OF THE               
JRNL        TITL 2 MALTODEXTRIN-BINDING PROTEIN CARRYING AN INSERTED SEQUENCE   
JRNL        TITL 3 OF A B-CELL EPITOPE FROM THE PRES2 REGION OF HEPATITIS B     
JRNL        TITL 4 VIRUS.                                                       
JRNL        REF    PROTEINS                      V.  27     1 1997              
JRNL        REFN                   ISSN 0887-3585                               
JRNL        PMID   9037707                                                      
JRNL        DOI    10.1002/(SICI)1097-0134(199701)27:1<1::AID-PROT2>3.0.CO;2-L  
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 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) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 9349                           
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) : 0.178                           
REMARK   3   FREE R VALUE                     : 0.281                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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            : 2870                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 8                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.00                          
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) : 0.25                            
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) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.500                           
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 : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: RESIDUES GLU 171 - GLY 174 HAVE WEAK      
REMARK   3  ELECTRON DENSITY.                                                   
REMARK   4                                                                      
REMARK   4 1IUD 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_1000174265.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 288                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : LURE                               
REMARK 200  BEAMLINE                       : DW32                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
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   : 11201                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.05400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: WILD-TYPE MALTOSE-BINDING PROTEIN                    
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.73                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       68.80000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       68.80000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       30.55000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       48.70000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       30.55000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       48.70000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       68.80000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       30.55000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       48.70000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       68.80000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       30.55000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       48.70000            
REMARK 290   SMTRY3   8  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 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 MALE-B133 IS AN INSERTION/DELETION MUTANT OF THE E. COLI             
REMARK 400 MALTODEXTRIN-BINDING PROTEIN (MBP) CARRYING THE                      
REMARK 400 AMINO-ACID SEQUENCE OF A B-CELL EPITOPE FROM THE PRES2               
REMARK 400 REGION OF THE HEPATITIS B VIRUS (HBV) ENVELOPE PROTEIN.              
REMARK 400 THE AMINO ACIDS BELONGING TO THE PRES2 EPITOPE ARE                   
REMARK 400 DESIGNATED 132E TO 145E (POSITIONS 132 TO 145 OF THE                 
REMARK 400 VIRAL ENVELOPE PROTEIN).  RESIDUES DESIGNATED 130I, 131I,            
REMARK 400 146I, 147I AND 148I, WHICH FLANK THE PRES2 EPITOPE, RESULT           
REMARK 400 FROM THE CREATION OF A BAMHI RESTRICTION SITE PERMITTING             
REMARK 400 THE INSERTION.  THE COMPLETE INSERTED SEQUENCE IS THUS               
REMARK 400 130I, 131I, 132E - 145E, 146I, 147I, AND 148I.  THESE 19             
REMARK 400 RESIDUES REPLACE WILD-TYPE MBP RESIDUES FROM POSITIONS 134           
REMARK 400 TO 142 (DELETED IN THE HYBRID PROTEIN).  THE                         
REMARK 400 INSERTION/DELETION MUTATION RESULTS IN A NET GAIN OF 10              
REMARK 400 AMINO ACIDS IN THE RECOMBINANT PROTEIN.  THE NUMBERING OF            
REMARK 400 MBP RESIDUES IN THIS ENTRY CORRESPONDS TO THE SEQUENCE               
REMARK 400 POSITIONS OF WILD-TYPE MBP.  NO INTERPRETED ELECTRON                 
REMARK 400 DENSITY WAS FOUND FOR MBP RESIDUES 1, 2, 3, 143, AND FOR             
REMARK 400 INSERTED RESIDUES 141E TO 148I.                                      
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     LYS A     1                                                      
REMARK 465     ILE A     2                                                      
REMARK 465     GLU A     3                                                      
REMARK 465     PHE A   135                                                      
REMARK 465     PRO A   136                                                      
REMARK 465     ALA A   137                                                      
REMARK 465     GLY A   138                                                      
REMARK 465     GLY A   139                                                      
REMARK 465     LEU A   140                                                      
REMARK 465     ASP A   141                                                      
REMARK 465     PRO A   142                                                      
REMARK 465     GLY A   143                                                      
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   O4   GLC B     1     O5   GLC B     2              2.07            
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   504     O    HOH A   504     3555     1.73            
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    PRO A  57   C   -  N   -  CA  ANGL. DEV. =   9.9 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  29       -9.12    -56.66                                   
REMARK 500    ASP A  30      -73.85   -114.19                                   
REMARK 500    HIS A  39       73.12   -152.99                                   
REMARK 500    PRO A  40     -176.63    -45.75                                   
REMARK 500    LYS A  42       30.97     77.12                                   
REMARK 500    HIS A  64      -11.17    -41.89                                   
REMARK 500    ALA A 163      -66.89    -16.09                                   
REMARK 500    ALA A 168     -103.81    -75.53                                   
REMARK 500    ASN A 173       83.08     25.31                                   
REMARK 500    ILE A 178        9.45    -61.95                                   
REMARK 500    ASP A 180       74.70   -101.46                                   
REMARK 500    LYS A 202       -1.67     60.91                                   
REMARK 500    THR A 237       45.44   -102.28                                   
REMARK 500    SER A 238       -7.01   -142.11                                   
REMARK 500    LYS A 251       51.56     37.33                                   
REMARK 500    PRO A 257     -172.00    -67.53                                   
REMARK 500    ASP A 287      -72.57    -64.52                                   
REMARK 500    PRO A 298      135.48    -39.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1IUD A    1   370  UNP    P02928   MALE_ECOLI      27    396             
SEQADV 1IUD ASP A  130I UNP  P02928              INSERTION                      
SEQADV 1IUD PRO A  131I UNP  P02928    ALA   160 CONFLICT                       
SEQADV 1IUD GLN A  132E UNP  P02928    LEU   161 CONFLICT                       
SEQADV 1IUD PRO A  134E UNP  P02928              INSERTION                      
SEQADV 1IUD ARG A  135E UNP  P02928              INSERTION                      
SEQADV 1IUD VAL A  136E UNP  P02928              INSERTION                      
SEQADV 1IUD ARG A  137E UNP  P02928    LYS   163 CONFLICT                       
SEQADV 1IUD GLY A  138E UNP  P02928    GLU   164 CONFLICT                       
SEQADV 1IUD TYR A  140E UNP  P02928              INSERTION                      
SEQADV 1IUD PHE A  135  UNP  P02928              INSERTION                      
SEQADV 1IUD PRO A  136  UNP  P02928    LYS   166 CONFLICT                       
SEQADV 1IUD GLY A  138  UNP  P02928              INSERTION                      
SEQADV 1IUD GLY A  139  UNP  P02928              INSERTION                      
SEQADV 1IUD LEU A  140  UNP  P02928              INSERTION                      
SEQADV 1IUD ASP A  141  UNP  P02928              INSERTION                      
SEQADV 1IUD PRO A  142  UNP  P02928    LYS   168 CONFLICT                       
SEQRES   1 A  380  LYS ILE GLU GLU GLY LYS LEU VAL ILE TRP ILE ASN GLY          
SEQRES   2 A  380  ASP LYS GLY TYR ASN GLY LEU ALA GLU VAL GLY LYS LYS          
SEQRES   3 A  380  PHE GLU LYS ASP THR GLY ILE LYS VAL THR VAL GLU HIS          
SEQRES   4 A  380  PRO ASP LYS LEU GLU GLU LYS PHE PRO GLN VAL ALA ALA          
SEQRES   5 A  380  THR GLY ASP GLY PRO ASP ILE ILE PHE TRP ALA HIS ASP          
SEQRES   6 A  380  ARG PHE GLY GLY TYR ALA GLN SER GLY LEU LEU ALA GLU          
SEQRES   7 A  380  ILE THR PRO ASP LYS ALA PHE GLN ASP LYS LEU TYR PRO          
SEQRES   8 A  380  PHE THR TRP ASP ALA VAL ARG TYR ASN GLY LYS LEU ILE          
SEQRES   9 A  380  ALA TYR PRO ILE ALA VAL GLU ALA LEU SER LEU ILE TYR          
SEQRES  10 A  380  ASN LYS ASP LEU LEU PRO ASN PRO PRO LYS THR TRP GLU          
SEQRES  11 A  380  GLU ILE PRO ASP PRO GLN ASP PRO ARG VAL ARG GLY LEU          
SEQRES  12 A  380  TYR PHE PRO ALA GLY GLY LEU ASP PRO GLY LYS SER ALA          
SEQRES  13 A  380  LEU MET PHE ASN LEU GLN GLU PRO TYR PHE THR TRP PRO          
SEQRES  14 A  380  LEU ILE ALA ALA ASP GLY GLY TYR ALA PHE LYS TYR GLU          
SEQRES  15 A  380  ASN GLY LYS TYR ASP ILE LYS ASP VAL GLY VAL ASP ASN          
SEQRES  16 A  380  ALA GLY ALA LYS ALA GLY LEU THR PHE LEU VAL ASP LEU          
SEQRES  17 A  380  ILE LYS ASN LYS HIS MET ASN ALA ASP THR ASP TYR SER          
SEQRES  18 A  380  ILE ALA GLU ALA ALA PHE ASN LYS GLY GLU THR ALA MET          
SEQRES  19 A  380  THR ILE ASN GLY PRO TRP ALA TRP SER ASN ILE ASP THR          
SEQRES  20 A  380  SER LYS VAL ASN TYR GLY VAL THR VAL LEU PRO THR PHE          
SEQRES  21 A  380  LYS GLY GLN PRO SER LYS PRO PHE VAL GLY VAL LEU SER          
SEQRES  22 A  380  ALA GLY ILE ASN ALA ALA SER PRO ASN LYS GLU LEU ALA          
SEQRES  23 A  380  LYS GLU PHE LEU GLU ASN TYR LEU LEU THR ASP GLU GLY          
SEQRES  24 A  380  LEU GLU ALA VAL ASN LYS ASP LYS PRO LEU GLY ALA VAL          
SEQRES  25 A  380  ALA LEU LYS SER TYR GLU GLU GLU LEU ALA LYS ASP PRO          
SEQRES  26 A  380  ARG ILE ALA ALA THR MET GLU ASN ALA GLN LYS GLY GLU          
SEQRES  27 A  380  ILE MET PRO ASN ILE PRO GLN MET SER ALA PHE TRP TYR          
SEQRES  28 A  380  ALA VAL ARG THR ALA VAL ILE ASN ALA ALA SER GLY ARG          
SEQRES  29 A  380  GLN THR VAL ASP GLU ALA LEU LYS ASP ALA GLN THR ARG          
SEQRES  30 A  380  ILE THR LYS                                                  
HET    GLC  B   1      12                                                       
HET    GLC  B   2      11                                                       
HETNAM     GLC ALPHA-D-GLUCOPYRANOSE                                            
HETSYN     GLC ALPHA-D-GLUCOSE; D-GLUCOSE; GLUCOSE                              
FORMUL   2  GLC    2(C6 H12 O6)                                                 
FORMUL   3  HOH   *8(H2 O)                                                      
HELIX    1   1 TYR A   17  THR A   31  1                                  15    
HELIX    2   2 LEU A   43  THR A   53  1                                  11    
HELIX    3   3 HIS A   64  SER A   73  5                                  10    
HELIX    4   4 LYS A   83  LYS A   88  1                                   6    
HELIX    5   5 PRO A   91  VAL A   97  1                                   7    
HELIX    6   6 TRP A  129  PRO A  133  1                                   5    
HELIX    7   7 PRO A  134E ARG A  137E 1                                   4    
HELIX    8   8 PRO A  154  ALA A  163  1                                  10    
HELIX    9   9 ALA A  186  LYS A  200  1                                  15    
HELIX   10  10 TYR A  210  LYS A  219  1                                  10    
HELIX   11  11 PRO A  229  SER A  238  5                                  10    
HELIX   12  12 LYS A  273  ASN A  282  1                                  10    
HELIX   13  13 ASP A  287  ASP A  296  1                                  10    
HELIX   14  14 LYS A  305  LYS A  313  1                                   9    
HELIX   15  15 PRO A  315  LYS A  326  1                                  12    
HELIX   16  16 PRO A  334  SER A  352  5                                  19    
HELIX   17  17 VAL A  357  ILE A  368  1                                  12    
SHEET    1   A 2 LYS A   6  TRP A  10  0                                        
SHEET    2   A 2 LYS A  34  GLU A  38  1  N  LYS A  34   O  LEU A   7           
SHEET    1   B 3 ILE A  59  ALA A  63  0                                        
SHEET    2   B 3 GLY A 260  ILE A 266 -1  N  GLY A 265   O  ILE A  60           
SHEET    3   B 3 TYR A 106  GLU A 111 -1  N  GLU A 111   O  GLY A 260           
SHEET    1   C 3 MET A 224  ASN A 227  0                                        
SHEET    2   C 3 SER A 114  ASN A 118 -1  N  ILE A 116   O  THR A 225           
SHEET    3   C 3 TYR A 242  THR A 245 -1  N  THR A 245   O  LEU A 115           
SHEET    1   D 2 LYS A 170  GLU A 172  0                                        
SHEET    2   D 2 LYS A 175  ASP A 177 -1  N  ASP A 177   O  LYS A 170           
LINK         O4  GLC B   1                 C1  GLC B   2     1555   1555  1.34  
CRYST1   61.100   97.400  137.600  90.00  90.00  90.00 C 2 2 21      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      0.016367  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010267  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007267        0.00000