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Database: PDB
Entry: 1L7K
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Original site: 1L7K 
HEADER    ISOMERASE                               15-MAR-02   1L7K              
TITLE     X-RAY STRUCTURE OF GALACTOSE MUTAROTASE FROM LACTOCOCCUS LACTIS       
TITLE    2 COMPLEXED WITH GALACTOSE                                             
CAVEAT     1L7K    GLA A 500 HAS WRONG CHIRALITY AT ATOM C1 GLA B 501 HAS WRONG 
CAVEAT   2 1L7K    CHIRALITY AT ATOM C1                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GALACTOSE MUTAROTASE;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: ALDOSE 1-EPIMERASE;                                         
COMPND   5 EC: 5.1.3.3;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: LACTOCOCCUS LACTIS;                             
SOURCE   3 ORGANISM_TAXID: 1358;                                                
SOURCE   4 GENE: GALM;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: ROSETTA;                                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET28                                     
KEYWDS    MUTAROTASE, EPIMERASE, GALACTOSE METABOLISM, ISOMERASE                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.M.HOLDEN,J.B.THODEN                                                 
REVDAT   8   16-AUG-23 1L7K    1       REMARK                                   
REVDAT   7   27-OCT-21 1L7K    1       SEQADV HETSYN                            
REVDAT   6   29-JUL-20 1L7K    1       CAVEAT COMPND REMARK SEQADV              
REVDAT   6 2                   1       HETNAM LINK   SITE                       
REVDAT   5   11-OCT-17 1L7K    1       REMARK                                   
REVDAT   4   24-FEB-09 1L7K    1       VERSN                                    
REVDAT   3   01-APR-03 1L7K    1       JRNL                                     
REVDAT   2   19-JUN-02 1L7K    1       JRNL                                     
REVDAT   1   24-APR-02 1L7K    0                                                
JRNL        AUTH   J.B.THODEN,H.M.HOLDEN                                        
JRNL        TITL   HIGH RESOLUTION X-RAY STRUCTURE OF GALACTOSE MUTAROTASE FROM 
JRNL        TITL 2 LACTOCOCCUS LACTIS.                                          
JRNL        REF    J.BIOL.CHEM.                  V. 277 20854 2002              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11907040                                                     
JRNL        DOI    10.1074/JBC.M111778200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 51652                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.161                           
REMARK   3   R VALUE            (WORKING SET) : 0.157                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 5081                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.1610                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.1570                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.216                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 5081                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 51652                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5364                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 25                                      
REMARK   3   SOLVENT ATOMS            : 452                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.013 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.100 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : ENGH & HUBER                                     
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1L7K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAR-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015714.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-JAN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : GOEBEL OPTICS                      
REMARK 200  OPTICS                         : GOEBEL MIRRORS                     
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS HI-STAR                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : FRAMBO                             
REMARK 200  DATA SCALING SOFTWARE          : SAINT                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 51652                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.3                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.03                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 74.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.80                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.22500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: TNT                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1L7J                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG-5000-O-METHYLETHER, SODIUM           
REMARK 280  CHLORIDE, MES, PH 6.0, VAPOR DIFFUSION, HANGING DROP,               
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       22.60000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      105.80000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.25000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000      105.80000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.60000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.25000            
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: DIMERIC                           
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 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     MET A     1                                                      
REMARK 465     GLU A   341                                                      
REMARK 465     HIS A   342                                                      
REMARK 465     HIS A   343                                                      
REMARK 465     HIS A   344                                                      
REMARK 465     HIS A   345                                                      
REMARK 465     HIS A   346                                                      
REMARK 465     HIS A   347                                                      
REMARK 465     MET B     1                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  56   CD    GLU A  56   OE2     0.088                       
REMARK 500    GLU A  99   CD    GLU A  99   OE2     0.067                       
REMARK 500    GLU A 100   CD    GLU A 100   OE2     0.073                       
REMARK 500    GLU A 156   CD    GLU A 156   OE2     0.073                       
REMARK 500    GLU A 184   CD    GLU A 184   OE2     0.079                       
REMARK 500    GLU A 234   CD    GLU A 234   OE1    -0.087                       
REMARK 500    GLU A 256   CD    GLU A 256   OE2     0.067                       
REMARK 500    GLU A 292   CD    GLU A 292   OE2     0.076                       
REMARK 500    GLU A 326   CD    GLU A 326   OE2     0.077                       
REMARK 500    GLU B  99   CD    GLU B  99   OE2     0.075                       
REMARK 500    GLU B 292   CD    GLU B 292   OE2     0.071                       
REMARK 500    GLU B 316   CD    GLU B 316   OE2     0.087                       
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   7   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP A   7   CB  -  CG  -  OD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ASP A  36   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP A  40   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ARG A  71   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A  71   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.6 DEGREES          
REMARK 500    ASP A 113   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP A 113   CB  -  CG  -  OD2 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500    LYS A 136   CB  -  CA  -  C   ANGL. DEV. = -14.2 DEGREES          
REMARK 500    LYS A 136   N   -  CA  -  CB  ANGL. DEV. = -18.1 DEGREES          
REMARK 500    ASP A 146   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    ASP A 146   CB  -  CG  -  OD2 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    ASP A 147   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    ASP A 147   CB  -  CG  -  OD2 ANGL. DEV. =  -8.1 DEGREES          
REMARK 500    ASP A 148   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP A 148   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    ASP A 160   CB  -  CG  -  OD1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ASP A 160   CB  -  CG  -  OD2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    ASP A 178   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A 178   CB  -  CG  -  OD2 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    ARG A 189   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A 194   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ASP A 200   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A 200   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP A 211   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ASP A 218   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ASP A 249   CB  -  CG  -  OD1 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    ASP A 249   CB  -  CG  -  OD2 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500    ASP A 272   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 272   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    ASP A 285   CB  -  CG  -  OD2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    ARG B   6   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ASP B   7   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP B   7   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ARG B  33   N   -  CA  -  CB  ANGL. DEV. = -11.1 DEGREES          
REMARK 500    ASP B  36   CB  -  CG  -  OD1 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ASP B  36   CB  -  CG  -  OD2 ANGL. DEV. =  -7.5 DEGREES          
REMARK 500    ASP B  40   CB  -  CG  -  OD1 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ASP B  49   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP B  49   CB  -  CG  -  OD2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ASP B  58   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP B  83   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP B  83   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ASP B 113   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ASP B 128   CB  -  CG  -  OD1 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    ASP B 128   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP B 146   CB  -  CG  -  OD1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ASP B 146   CB  -  CG  -  OD2 ANGL. DEV. =  -8.2 DEGREES          
REMARK 500    ASP B 147   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP B 147   CB  -  CG  -  OD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      64 ANGLE DEVIATIONS.                             
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    ALA A  32       61.06     38.76                                   
REMARK 500    ASP A  58      112.83   -167.25                                   
REMARK 500    ASP A  74       15.23     56.19                                   
REMARK 500    THR A 163     -158.15   -157.34                                   
REMARK 500    ASN A 166       67.80   -162.99                                   
REMARK 500    ASN A 174       89.70   -167.91                                   
REMARK 500    ASP A 200     -163.52   -167.43                                   
REMARK 500    LYS A 240       40.52     71.25                                   
REMARK 500    ASP A 243       59.95   -160.44                                   
REMARK 500    ASP A 263     -128.13     61.43                                   
REMARK 500    THR A 280       37.05    -93.78                                   
REMARK 500    GLU A 292       -5.38     77.17                                   
REMARK 500    GLN A 306     -175.44   -178.63                                   
REMARK 500    LEU B  10        9.21     55.97                                   
REMARK 500    LYS B  57      -62.34    -96.74                                   
REMARK 500    SER B 101     -168.94    -79.34                                   
REMARK 500    THR B 163     -159.89   -147.16                                   
REMARK 500    ASN B 166       69.26   -168.20                                   
REMARK 500    HIS B 170       31.21    -96.97                                   
REMARK 500    ASP B 200     -167.45   -172.78                                   
REMARK 500    ASP B 243       57.25   -161.15                                   
REMARK 500    ASP B 263     -120.62     56.16                                   
REMARK 500    THR B 280       39.60    -97.48                                   
REMARK 500    ASN B 282       47.42    -81.14                                   
REMARK 500    GLN B 306     -177.75   -172.02                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 THE O1 ATOM OF GAL HAS TWO ALTERNATE POSITIONS.                      
REMARK 600 ALTERNATE POSITION A IS FOR ALPHA-D-GALACTOSE.                       
REMARK 600 ALTERNATE POSITION B IS FOR BETA-D-GALACTOSE.                        
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                              NA A 501  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  13   OD1                                                    
REMARK 620 2 HOH A 507   O    90.7                                              
REMARK 620 3 ASP B  13   OD1 163.7  74.4                                        
REMARK 620 4 HIS B 346   NE2  93.7  73.2  88.1                                  
REMARK 620 5 HOH B 504   O    89.1 177.7 106.1 104.6                            
REMARK 620 N                    1     2     3     4                             
DBREF  1L7K A    1   339  UNP    Q9ZB17   Q9ZB17_9LACT     1    339             
DBREF  1L7K B    1   339  UNP    Q9ZB17   Q9ZB17_9LACT     1    339             
SEQADV 1L7K SER A    2  UNP  Q9ZB17    GLU     2 ENGINEERED MUTATION            
SEQADV 1L7K LEU A  340  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K GLU A  341  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS A  342  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS A  343  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS A  344  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS A  345  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS A  346  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS A  347  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K SER B    2  UNP  Q9ZB17    GLU     2 ENGINEERED MUTATION            
SEQADV 1L7K LEU B  340  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K GLU B  341  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS B  342  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS B  343  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS B  344  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS B  345  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS B  346  UNP  Q9ZB17              EXPRESSION TAG                 
SEQADV 1L7K HIS B  347  UNP  Q9ZB17              EXPRESSION TAG                 
SEQRES   1 A  347  MET SER ILE LYS ILE ARG ASP PHE GLY LEU GLY SER ASP          
SEQRES   2 A  347  LEU ILE SER LEU THR ASN LYS ALA GLY VAL THR ILE SER          
SEQRES   3 A  347  PHE THR ASN LEU GLY ALA ARG ILE VAL ASP TRP GLN LYS          
SEQRES   4 A  347  ASP GLY LYS HIS LEU ILE LEU GLY PHE ASP SER ALA LYS          
SEQRES   5 A  347  GLU TYR LEU GLU LYS ASP ALA TYR PRO GLY ALA THR VAL          
SEQRES   6 A  347  GLY PRO THR ALA GLY ARG ILE LYS ASP GLY LEU VAL LYS          
SEQRES   7 A  347  ILE SER GLY LYS ASP TYR ILE LEU ASN GLN ASN GLU GLY          
SEQRES   8 A  347  PRO GLN THR LEU HIS GLY GLY GLU GLU SER ILE HIS THR          
SEQRES   9 A  347  LYS LEU TRP THR TYR GLU VAL THR ASP LEU GLY ALA GLU          
SEQRES  10 A  347  VAL GLN VAL LYS PHE SER LEU VAL SER ASN ASP GLY THR          
SEQRES  11 A  347  ASN GLY TYR PRO GLY LYS ILE GLU MET SER VAL THR HIS          
SEQRES  12 A  347  SER PHE ASP ASP ASP ASN LYS TRP LYS ILE HIS TYR GLU          
SEQRES  13 A  347  ALA ILE SER ASP LYS ASP THR VAL PHE ASN PRO THR GLY          
SEQRES  14 A  347  HIS VAL TYR PHE ASN LEU ASN GLY ASP ALA SER GLU SER          
SEQRES  15 A  347  VAL GLU ASN HIS GLY LEU ARG LEU ALA ALA SER ARG PHE          
SEQRES  16 A  347  VAL PRO LEU LYS ASP GLN THR GLU ILE VAL ARG GLY ASP          
SEQRES  17 A  347  ILE VAL ASP ILE LYS ASN THR ASP LEU ASP PHE ARG GLN          
SEQRES  18 A  347  GLU LYS GLN LEU SER ASN ALA PHE ASN SER ASN MET GLU          
SEQRES  19 A  347  GLN VAL GLN LEU VAL LYS GLY ILE ASP HIS PRO PHE LEU          
SEQRES  20 A  347  LEU ASP GLN LEU GLY LEU ASP LYS GLU GLN ALA ARG LEU          
SEQRES  21 A  347  THR LEU ASP ASP THR SER ILE SER VAL PHE THR ASP GLN          
SEQRES  22 A  347  PRO SER ILE VAL ILE PHE THR ALA ASN PHE GLY ASP LEU          
SEQRES  23 A  347  GLY THR LEU TYR HIS GLU LYS LYS GLN VAL HIS HIS GLY          
SEQRES  24 A  347  GLY ILE THR PHE GLU CYS GLN VAL SER PRO GLY SER GLU          
SEQRES  25 A  347  GLN ILE PRO GLU LEU GLY ASP ILE SER LEU LYS ALA GLY          
SEQRES  26 A  347  GLU LYS TYR GLN ALA THR THR ILE TYR SER LEU HIS THR          
SEQRES  27 A  347  LYS LEU GLU HIS HIS HIS HIS HIS HIS                          
SEQRES   1 B  347  MET SER ILE LYS ILE ARG ASP PHE GLY LEU GLY SER ASP          
SEQRES   2 B  347  LEU ILE SER LEU THR ASN LYS ALA GLY VAL THR ILE SER          
SEQRES   3 B  347  PHE THR ASN LEU GLY ALA ARG ILE VAL ASP TRP GLN LYS          
SEQRES   4 B  347  ASP GLY LYS HIS LEU ILE LEU GLY PHE ASP SER ALA LYS          
SEQRES   5 B  347  GLU TYR LEU GLU LYS ASP ALA TYR PRO GLY ALA THR VAL          
SEQRES   6 B  347  GLY PRO THR ALA GLY ARG ILE LYS ASP GLY LEU VAL LYS          
SEQRES   7 B  347  ILE SER GLY LYS ASP TYR ILE LEU ASN GLN ASN GLU GLY          
SEQRES   8 B  347  PRO GLN THR LEU HIS GLY GLY GLU GLU SER ILE HIS THR          
SEQRES   9 B  347  LYS LEU TRP THR TYR GLU VAL THR ASP LEU GLY ALA GLU          
SEQRES  10 B  347  VAL GLN VAL LYS PHE SER LEU VAL SER ASN ASP GLY THR          
SEQRES  11 B  347  ASN GLY TYR PRO GLY LYS ILE GLU MET SER VAL THR HIS          
SEQRES  12 B  347  SER PHE ASP ASP ASP ASN LYS TRP LYS ILE HIS TYR GLU          
SEQRES  13 B  347  ALA ILE SER ASP LYS ASP THR VAL PHE ASN PRO THR GLY          
SEQRES  14 B  347  HIS VAL TYR PHE ASN LEU ASN GLY ASP ALA SER GLU SER          
SEQRES  15 B  347  VAL GLU ASN HIS GLY LEU ARG LEU ALA ALA SER ARG PHE          
SEQRES  16 B  347  VAL PRO LEU LYS ASP GLN THR GLU ILE VAL ARG GLY ASP          
SEQRES  17 B  347  ILE VAL ASP ILE LYS ASN THR ASP LEU ASP PHE ARG GLN          
SEQRES  18 B  347  GLU LYS GLN LEU SER ASN ALA PHE ASN SER ASN MET GLU          
SEQRES  19 B  347  GLN VAL GLN LEU VAL LYS GLY ILE ASP HIS PRO PHE LEU          
SEQRES  20 B  347  LEU ASP GLN LEU GLY LEU ASP LYS GLU GLN ALA ARG LEU          
SEQRES  21 B  347  THR LEU ASP ASP THR SER ILE SER VAL PHE THR ASP GLN          
SEQRES  22 B  347  PRO SER ILE VAL ILE PHE THR ALA ASN PHE GLY ASP LEU          
SEQRES  23 B  347  GLY THR LEU TYR HIS GLU LYS LYS GLN VAL HIS HIS GLY          
SEQRES  24 B  347  GLY ILE THR PHE GLU CYS GLN VAL SER PRO GLY SER GLU          
SEQRES  25 B  347  GLN ILE PRO GLU LEU GLY ASP ILE SER LEU LYS ALA GLY          
SEQRES  26 B  347  GLU LYS TYR GLN ALA THR THR ILE TYR SER LEU HIS THR          
SEQRES  27 B  347  LYS LEU GLU HIS HIS HIS HIS HIS HIS                          
HET    GLA  A 500      13                                                       
HET     NA  A 501       1                                                       
HET    GLA  B 501      13                                                       
HETNAM     GLA ALPHA-D-GALACTOPYRANOSE                                          
HETNAM      NA SODIUM ION                                                       
HETSYN     GLA ALPHA-D-GALACTOSE; D-GALACTOSE; GALACTOSE; ALPHA D-              
HETSYN   2 GLA  GALACTOSE                                                       
FORMUL   3  GLA    2(C6 H12 O6)                                                 
FORMUL   4   NA    NA 1+                                                        
FORMUL   6  HOH   *452(H2 O)                                                    
HELIX    1   1 SER A   50  LYS A   57  1                                   8    
HELIX    2   2 SER A  101  LYS A  105  5                                   5    
HELIX    3   3 GLY A  129  TYR A  133  5                                   5    
HELIX    4   4 SER A  182  ASN A  185  5                                   4    
HELIX    5   5 LEU A  225  ASN A  230  1                                   6    
HELIX    6   6 MET A  233  LYS A  240  1                                   8    
HELIX    7   7 ILE A  314  GLY A  318  5                                   5    
HELIX    8   8 SER B   50  LYS B   57  1                                   8    
HELIX    9   9 SER B  101  LYS B  105  5                                   5    
HELIX   10  10 GLY B  129  TYR B  133  5                                   5    
HELIX   11  11 SER B  182  ASN B  185  5                                   4    
HELIX   12  12 LEU B  225  ASN B  230  1                                   6    
HELIX   13  13 MET B  233  LYS B  240  1                                   8    
HELIX   14  14 ILE B  314  GLY B  318  5                                   5    
SHEET    1   A 5 ILE A   3  GLY A   9  0                                        
SHEET    2   A 5 SER A  12  THR A  18 -1  O  SER A  16   N  LYS A   4           
SHEET    3   A 5 THR A  24  THR A  28 -1  O  ILE A  25   N  LEU A  17           
SHEET    4   A 5 ARG A  33  LYS A  39 -1  O  VAL A  35   N  SER A  26           
SHEET    5   A 5 LYS A  42  HIS A  43 -1  O  LYS A  42   N  LYS A  39           
SHEET    1   B 2 THR A  64  VAL A  65  0                                        
SHEET    2   B 2 THR A 168  GLY A 169 -1  O  THR A 168   N  VAL A  65           
SHEET    1   C 2 ARG A  71  ILE A  72  0                                        
SHEET    2   C 2 THR A  94  LEU A  95 -1  O  THR A  94   N  ILE A  72           
SHEET    1   D 2 LEU A  76  ILE A  79  0                                        
SHEET    2   D 2 LYS A  82  ILE A  85 -1  O  LYS A  82   N  ILE A  79           
SHEET    1   E 9 THR A 108  ASP A 113  0                                        
SHEET    2   E 9 GLU A 117  SER A 126 -1  O  GLN A 119   N  THR A 112           
SHEET    3   E 9 ILE A 137  ASP A 146 -1  O  VAL A 141   N  PHE A 122           
SHEET    4   E 9 LYS A 150  SER A 159 -1  O  ILE A 158   N  GLU A 138           
SHEET    5   E 9 TYR A 328  THR A 338 -1  O  TYR A 334   N  TRP A 151           
SHEET    6   E 9 THR A 265  THR A 271 -1  N  PHE A 270   O  ILE A 333           
SHEET    7   E 9 ALA A 258  LEU A 262 -1  N  LEU A 260   O  ILE A 267           
SHEET    8   E 9 GLY A 187  LEU A 190 -1  N  GLY A 187   O  THR A 261           
SHEET    9   E 9 LYS A 223  GLN A 224 -1  O  LYS A 223   N  LEU A 188           
SHEET    1   F 2 THR A 163  VAL A 164  0                                        
SHEET    2   F 2 SER A 321  LEU A 322 -1  O  LEU A 322   N  THR A 163           
SHEET    1   G 2 TYR A 172  PHE A 173  0                                        
SHEET    2   G 2 ILE A 301  THR A 302 -1  O  ILE A 301   N  PHE A 173           
SHEET    1   H 5 VAL A 210  ASP A 211  0                                        
SHEET    2   H 5 ALA A 192  PHE A 195 -1  N  PHE A 195   O  VAL A 210           
SHEET    3   H 5 ASP A 243  LEU A 248 -1  O  LEU A 247   N  ARG A 194           
SHEET    4   H 5 SER A 275  PHE A 279 -1  O  ILE A 278   N  HIS A 244           
SHEET    5   H 5 GLU A 304  GLN A 306 -1  O  GLU A 304   N  VAL A 277           
SHEET    1   I 2 LEU A 289  TYR A 290  0                                        
SHEET    2   I 2 LYS A 293  LYS A 294 -1  O  LYS A 293   N  TYR A 290           
SHEET    1   J 5 ILE B   3  GLY B   9  0                                        
SHEET    2   J 5 SER B  12  THR B  18 -1  O  SER B  16   N  LYS B   4           
SHEET    3   J 5 THR B  24  THR B  28 -1  O  ILE B  25   N  LEU B  17           
SHEET    4   J 5 ARG B  33  LYS B  39 -1  O  VAL B  35   N  SER B  26           
SHEET    5   J 5 LYS B  42  HIS B  43 -1  O  LYS B  42   N  LYS B  39           
SHEET    1   K 2 THR B  64  VAL B  65  0                                        
SHEET    2   K 2 THR B 168  GLY B 169 -1  O  THR B 168   N  VAL B  65           
SHEET    1   L 2 ARG B  71  ILE B  72  0                                        
SHEET    2   L 2 THR B  94  LEU B  95 -1  O  THR B  94   N  ILE B  72           
SHEET    1   M 2 LEU B  76  ILE B  79  0                                        
SHEET    2   M 2 LYS B  82  ILE B  85 -1  O  LYS B  82   N  ILE B  79           
SHEET    1   N 9 THR B 108  ASP B 113  0                                        
SHEET    2   N 9 GLU B 117  SER B 126 -1  O  GLN B 119   N  THR B 112           
SHEET    3   N 9 ILE B 137  ASP B 146 -1  O  HIS B 143   N  VAL B 120           
SHEET    4   N 9 LYS B 150  SER B 159 -1  O  ILE B 158   N  GLU B 138           
SHEET    5   N 9 TYR B 328  THR B 338 -1  O  TYR B 328   N  ALA B 157           
SHEET    6   N 9 THR B 265  THR B 271 -1  N  PHE B 270   O  ILE B 333           
SHEET    7   N 9 ALA B 258  LEU B 262 -1  N  ALA B 258   O  VAL B 269           
SHEET    8   N 9 GLY B 187  LEU B 190 -1  N  GLY B 187   O  THR B 261           
SHEET    9   N 9 LYS B 223  GLN B 224 -1  O  LYS B 223   N  LEU B 188           
SHEET    1   O 2 THR B 163  VAL B 164  0                                        
SHEET    2   O 2 SER B 321  LEU B 322 -1  O  LEU B 322   N  THR B 163           
SHEET    1   P 2 TYR B 172  PHE B 173  0                                        
SHEET    2   P 2 ILE B 301  THR B 302 -1  O  ILE B 301   N  PHE B 173           
SHEET    1   Q 5 VAL B 210  ASP B 211  0                                        
SHEET    2   Q 5 ALA B 192  PHE B 195 -1  N  PHE B 195   O  VAL B 210           
SHEET    3   Q 5 ASP B 243  LEU B 248 -1  O  LEU B 247   N  ARG B 194           
SHEET    4   Q 5 SER B 275  PHE B 279 -1  O  ILE B 278   N  HIS B 244           
SHEET    5   Q 5 GLU B 304  GLN B 306 -1  O  GLU B 304   N  VAL B 277           
SHEET    1   R 2 LEU B 289  TYR B 290  0                                        
SHEET    2   R 2 LYS B 293  LYS B 294 -1  O  LYS B 293   N  TYR B 290           
LINK         OD1 ASP A  13                NA    NA A 501     1555   1555  2.35  
LINK        NA    NA A 501                 O   HOH A 507     1555   1555  2.61  
LINK        NA    NA A 501                 OD1 ASP B  13     1555   1555  2.37  
LINK        NA    NA A 501                 NE2 HIS B 346     1555   3655  2.45  
LINK        NA    NA A 501                 O   HOH B 504     1555   1555  2.45  
CISPEP   1 GLY A   66    PRO A   67          0         1.64                     
CISPEP   2 GLY A  135    LYS A  136          0        -1.92                     
CISPEP   3 GLY B   66    PRO B   67          0         0.92                     
CISPEP   4 GLY B  135    LYS B  136          0         1.16                     
CRYST1   45.200   76.500  211.600  90.00  90.00  90.00 P 21 21 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      0.022124  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013072  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004726        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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