HEADER    TRANSFERASE                             29-SEP-99   1D3C              
TITLE     MICHAELIS COMPLEX OF BACILLUS CIRCULANS STRAIN 251 CYCLODEXTRIN       
TITLE    2 GLYCOSYLTRANSFERASE WITH GAMMA-CYCLODEXTRIN                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYCLODEXTRIN GLYCOSYLTRANSFERASE;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.4.1.19;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS CIRCULANS;                             
SOURCE   3 ORGANISM_TAXID: 1397;                                                
SOURCE   4 STRAIN: 251;                                                         
SOURCE   5 CELLULAR_LOCATION: EXTRACELLULAR;                                    
SOURCE   6 EXPRESSION_SYSTEM: BACILLUS SUBTILIS;                                
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 1423;                                       
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PDP66S                                    
KEYWDS    ALPHA-AMYLASE, PRODUCT COMPLEX, OLIGOSACCHARIDE, FAMILY 13 GLYCOSYL   
KEYWDS   2 HYDROLASE, TRANSGLYCOSYLATION, INDUCED FIT, CATALYSIS, TRANSFERASE   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.C.M.UITDEHAAG,K.H.KALK,B.A.VAN DER VEEN,L.DIJKHUIZEN,B.W.DIJKSTRA   
REVDAT   7   16-OCT-24 1D3C    1       REMARK                                   
REVDAT   6   09-AUG-23 1D3C    1       REMARK                                   
REVDAT   5   03-NOV-21 1D3C    1       SEQADV HETSYN                            
REVDAT   4   29-JUL-20 1D3C    1       COMPND REMARK HETNAM LINK                
REVDAT   4 2                   1       SITE   ATOM                              
REVDAT   3   24-FEB-09 1D3C    1       VERSN                                    
REVDAT   2   01-APR-03 1D3C    1       JRNL                                     
REVDAT   1   22-DEC-99 1D3C    0                                                
JRNL        AUTH   J.C.UITDEHAAG,K.H.KALK,B.A.VAN DER VEEN,L.DIJKHUIZEN,        
JRNL        AUTH 2 B.W.DIJKSTRA                                                 
JRNL        TITL   THE CYCLIZATION MECHANISM OF CYCLODEXTRIN                    
JRNL        TITL 2 GLYCOSYLTRANSFERASE (CGTASE) AS REVEALED BY A                
JRNL        TITL 3 GAMMA-CYCLODEXTRIN-CGTASE COMPLEX AT 1.8-A RESOLUTION.       
JRNL        REF    J.BIOL.CHEM.                  V. 274 34868 1999              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   10574960                                                     
JRNL        DOI    10.1074/JBC.274.49.34868                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.C.M.UITDEHAAG,R.MOSI,K.H.KALK,B.A.VAN DER VEEN,            
REMARK   1  AUTH 2 L.DIJKHUIZEN,S.G.WITHERS,B.W.DIJKSTRA                        
REMARK   1  TITL   X-RAY STRUCTURES ALONG THE REACTION PATHWAY OF CYCLODEXTRIN  
REMARK   1  TITL 2 GLYCOSYLTRANSFERASE ELUCIDATE CATALYSIS IN THE ALPHA-AMYLASE 
REMARK   1  TITL 3 FAMILY                                                       
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   6   432 1999              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  DOI    10.1038/8235                                                 
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   R.M.KNEGTEL,B.STROKOPYTOV,D.PENNINGA,O.G.FABER,H.J.ROZEBOOM, 
REMARK   1  AUTH 2 K.H.KALK,L.DIJKHUIZEN,B.W.DIJKSTRA                           
REMARK   1  TITL   CRYSTALLOGRAPHIC STUDIES OF THE INTERACTION OF CYCLODEXTRIN  
REMARK   1  TITL 2 GLYCOSYLTRANSFERASE FROM BACILLUS CIRCULANS STRAIN 251 WITH  
REMARK   1  TITL 3 NATURAL SUBSTRATES AND PRODUCTS                              
REMARK   1  REF    J.BIOL.CHEM.                  V. 270 29256 1995              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1  DOI    10.1074/JBC.270.49.29256                                     
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   B.STROKOPYTOV,R.M.KNEGTEL,D.PENNINGA,H.J.ROZEBOOM,K.H.KALK,  
REMARK   1  AUTH 2 L.DIJKHUIZEN,B.W.DIJKSTRA                                    
REMARK   1  TITL   STRUCTURE OF CYCLODEXTRIN GLYCOSYLTRANSFERASE COMPLEXED WITH 
REMARK   1  TITL 2 A MALTONONAOSE INHIBITOR AT 2.6 ANGSTROM RESOLUTION.         
REMARK   1  TITL 3 IMPLICATIONS FOR PRODUCT SPECIFICITY                         
REMARK   1  REF    BIOCHEMISTRY                  V.  35  4241 1996              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI952339H                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.78 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) : 1.78                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 78720                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : RFREE                           
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.222                           
REMARK   3   R VALUE            (WORKING SET) : 0.220                           
REMARK   3   FREE R VALUE                     : 0.258                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3984                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.2220                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.2200                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.258                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.00                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 3984                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 78720                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5264                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 298                                     
REMARK   3   SOLVENT ATOMS            : 639                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 24.200                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.006 ; NULL  ; 5714            
REMARK   3   BOND ANGLES            (DEGREES) : 0.735 ; NULL  ; 7804            
REMARK   3   TORSION ANGLES         (DEGREES) : 17.083; NULL  ; 3132            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.007 ; NULL  ; 147             
REMARK   3   GENERAL PLANES               (A) : 0.011 ; NULL  ; 795             
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : 1.518 ; NULL  ; 5714            
REMARK   3   NON-BONDED CONTACTS          (A) : 0.011 ; NULL  ; 449             
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : 0                                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : BABINET SCALING                                      
REMARK   3   KSOL        : 0.88                                                 
REMARK   3   BSOL        : 202.8                                                
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : ENGH & HUBER; GAMMA CD FROM HARATA, CHEM. LETT   
REMARK   3                     1984, PP 641-644                                 
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT STANDARD LIBRARY         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1D3C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009751.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-FEB-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 120.0                              
REMARK 200  PH                             : 10.3                               
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                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.908                              
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   : 78720                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.780                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 80.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 4.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.06200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.81                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 71.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: TNT                                                   
REMARK 200 STARTING MODEL: 1CXI                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 60 % MPD, 100 MM TRIS PH 8.1, PH 10.3,   
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                     
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       58.89550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.61150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       54.76600            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       32.61150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       58.89550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       54.76600            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E                         
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 THIS IS THE STRUCTURE OF B. CIRCULANS 251 E257Q/D229N CGTASE         
REMARK 400 WITH GAMMA-CYCLODEXTRIN IN ITS ACTIVE SITE                           
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    PHE A  25      -68.70    -95.40                                   
REMARK 500    LEU A  46        7.40    -69.22                                   
REMARK 500    SER A  90       64.80     61.17                                   
REMARK 500    ALA A  96       32.66    -91.42                                   
REMARK 500    TRP A 101       75.58   -107.42                                   
REMARK 500    THR A 141      -84.80   -103.79                                   
REMARK 500    ALA A 152     -132.98     51.81                                   
REMARK 500    ASN A 154       29.61     46.65                                   
REMARK 500    PHE A 183       15.76     58.90                                   
REMARK 500    TYR A 195     -125.43     66.88                                   
REMARK 500    ALA A 230       57.53     38.66                                   
REMARK 500    TYR A 249      -76.48   -118.72                                   
REMARK 500    ASN A 299     -167.87   -106.86                                   
REMARK 500    SER A 427       44.71    -91.18                                   
REMARK 500    ALA A 483      154.22    -49.19                                   
REMARK 500    ASN A 627       28.95   -154.75                                   
REMARK 500    VAL A 629      -75.99    -78.70                                   
REMARK 500    TYR A 638      141.62   -171.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 687  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  27   OD1                                                    
REMARK 620 2 ASN A  29   O    82.4                                              
REMARK 620 3 ASN A  32   OD1 145.7  64.6                                        
REMARK 620 4 ASN A  33   OD1  93.0  94.7  98.5                                  
REMARK 620 5 GLY A  51   O    70.4 152.3 140.5  92.2                            
REMARK 620 6 ASP A  53   OD2  79.1  76.9  84.4 169.1  92.2                      
REMARK 620 7 HOH A 950   O   148.0 128.5  66.3  78.1  79.2 112.6                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 688  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A 139   OD1                                                    
REMARK 620 2 ILE A 190   O   148.6                                              
REMARK 620 3 ASP A 199   OD1  79.4 122.3                                        
REMARK 620 4 ASP A 199   OD2 129.5  79.9  53.1                                  
REMARK 620 5 HIS A 233   O    68.5  81.3 139.2 161.1                            
REMARK 620 6 HOH A 866   O    89.5  77.6  72.8  91.4  82.2                      
REMARK 620 7 HOH A 867   O   114.1  66.8 138.0  94.8  79.9 142.0                
REMARK 620 8 HOH A 915   O    70.1 132.8  77.1  82.3 112.6 146.3  71.7          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 689  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ALA A 315   O                                                      
REMARK 620 2 ASP A 577   OD1 139.3                                              
REMARK 620 3 HOH A 806   O    81.0  75.7                                        
REMARK 620 4 HOH A 927   O    86.8  64.6  98.4                                  
REMARK 620 5 HOH A 978   O   134.0  71.2  75.9 135.3                            
REMARK 620 6 HOH A1057   O    69.2 149.4 105.6 142.4  79.5                      
REMARK 620 7 HOH A1344   O    95.7 111.2 171.8  89.0 101.5  66.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1CDG   RELATED DB: PDB                                   
REMARK 900 WILD TYPE ENZYME                                                     
REMARK 900 RELATED ID: 1CXI   RELATED DB: PDB                                   
REMARK 900 WILD TYPE AT 120 K                                                   
REMARK 900 RELATED ID: 1CXF   RELATED DB: PDB                                   
REMARK 900 E257Q/D229N MUTANT AT 120 K WITH A MALTOTETRAOSE SUBSTRATE           
REMARK 900 RELATED ID: 1CXK   RELATED DB: PDB                                   
REMARK 900 E257Q/D229N MUTANT AT 120 K WITH A MALTONONAOSE SUBSTRATE            
REMARK 900 RELATED ID: 1CXL   RELATED DB: PDB                                   
REMARK 900 E257Q/D229N MUTANT AT 120 K WITH A COVALENTLY BOUND REACTION         
REMARK 900 INTERMEDIATE                                                         
REMARK 900 RELATED ID: 2DIJ   RELATED DB: PDB                                   
REMARK 900 Y195F MUTANT WITH MALTONONAOSE INHIBITOR                             
DBREF  1D3C A    1   686  UNP    P43379   CDGU_BACCI      28    713             
SEQADV 1D3C ASN A  229  UNP  P43379    ASP   256 ENGINEERED MUTATION            
SEQADV 1D3C GLN A  257  UNP  P43379    GLU   284 ENGINEERED MUTATION            
SEQRES   1 A  686  ALA PRO ASP THR SER VAL SER ASN LYS GLN ASN PHE SER          
SEQRES   2 A  686  THR ASP VAL ILE TYR GLN ILE PHE THR ASP ARG PHE SER          
SEQRES   3 A  686  ASP GLY ASN PRO ALA ASN ASN PRO THR GLY ALA ALA PHE          
SEQRES   4 A  686  ASP GLY THR CYS THR ASN LEU ARG LEU TYR CYS GLY GLY          
SEQRES   5 A  686  ASP TRP GLN GLY ILE ILE ASN LYS ILE ASN ASP GLY TYR          
SEQRES   6 A  686  LEU THR GLY MET GLY VAL THR ALA ILE TRP ILE SER GLN          
SEQRES   7 A  686  PRO VAL GLU ASN ILE TYR SER ILE ILE ASN TYR SER GLY          
SEQRES   8 A  686  VAL ASN ASN THR ALA TYR HIS GLY TYR TRP ALA ARG ASP          
SEQRES   9 A  686  PHE LYS LYS THR ASN PRO ALA TYR GLY THR ILE ALA ASP          
SEQRES  10 A  686  PHE GLN ASN LEU ILE ALA ALA ALA HIS ALA LYS ASN ILE          
SEQRES  11 A  686  LYS VAL ILE ILE ASP PHE ALA PRO ASN HIS THR SER PRO          
SEQRES  12 A  686  ALA SER SER ASP GLN PRO SER PHE ALA GLU ASN GLY ARG          
SEQRES  13 A  686  LEU TYR ASP ASN GLY THR LEU LEU GLY GLY TYR THR ASN          
SEQRES  14 A  686  ASP THR GLN ASN LEU PHE HIS HIS ASN GLY GLY THR ASP          
SEQRES  15 A  686  PHE SER THR THR GLU ASN GLY ILE TYR LYS ASN LEU TYR          
SEQRES  16 A  686  ASP LEU ALA ASP LEU ASN HIS ASN ASN SER THR VAL ASP          
SEQRES  17 A  686  VAL TYR LEU LYS ASP ALA ILE LYS MET TRP LEU ASP LEU          
SEQRES  18 A  686  GLY ILE ASP GLY ILE ARG MET ASN ALA VAL LYS HIS MET          
SEQRES  19 A  686  PRO PHE GLY TRP GLN LYS SER PHE MET ALA ALA VAL ASN          
SEQRES  20 A  686  ASN TYR LYS PRO VAL PHE THR PHE GLY GLN TRP PHE LEU          
SEQRES  21 A  686  GLY VAL ASN GLU VAL SER PRO GLU ASN HIS LYS PHE ALA          
SEQRES  22 A  686  ASN GLU SER GLY MET SER LEU LEU ASP PHE ARG PHE ALA          
SEQRES  23 A  686  GLN LYS VAL ARG GLN VAL PHE ARG ASP ASN THR ASP ASN          
SEQRES  24 A  686  MET TYR GLY LEU LYS ALA MET LEU GLU GLY SER ALA ALA          
SEQRES  25 A  686  ASP TYR ALA GLN VAL ASP ASP GLN VAL THR PHE ILE ASP          
SEQRES  26 A  686  ASN HIS ASP MET GLU ARG PHE HIS ALA SER ASN ALA ASN          
SEQRES  27 A  686  ARG ARG LYS LEU GLU GLN ALA LEU ALA PHE THR LEU THR          
SEQRES  28 A  686  SER ARG GLY VAL PRO ALA ILE TYR TYR GLY THR GLU GLN          
SEQRES  29 A  686  TYR MET SER GLY GLY THR ASP PRO ASP ASN ARG ALA ARG          
SEQRES  30 A  686  ILE PRO SER PHE SER THR SER THR THR ALA TYR GLN VAL          
SEQRES  31 A  686  ILE GLN LYS LEU ALA PRO LEU ARG LYS CYS ASN PRO ALA          
SEQRES  32 A  686  ILE ALA TYR GLY SER THR GLN GLU ARG TRP ILE ASN ASN          
SEQRES  33 A  686  ASP VAL LEU ILE TYR GLU ARG LYS PHE GLY SER ASN VAL          
SEQRES  34 A  686  ALA VAL VAL ALA VAL ASN ARG ASN LEU ASN ALA PRO ALA          
SEQRES  35 A  686  SER ILE SER GLY LEU VAL THR SER LEU PRO GLN GLY SER          
SEQRES  36 A  686  TYR ASN ASP VAL LEU GLY GLY LEU LEU ASN GLY ASN THR          
SEQRES  37 A  686  LEU SER VAL GLY SER GLY GLY ALA ALA SER ASN PHE THR          
SEQRES  38 A  686  LEU ALA ALA GLY GLY THR ALA VAL TRP GLN TYR THR ALA          
SEQRES  39 A  686  ALA THR ALA THR PRO THR ILE GLY HIS VAL GLY PRO MET          
SEQRES  40 A  686  MET ALA LYS PRO GLY VAL THR ILE THR ILE ASP GLY ARG          
SEQRES  41 A  686  GLY PHE GLY SER SER LYS GLY THR VAL TYR PHE GLY THR          
SEQRES  42 A  686  THR ALA VAL SER GLY ALA ASP ILE THR SER TRP GLU ASP          
SEQRES  43 A  686  THR GLN ILE LYS VAL LYS ILE PRO ALA VAL ALA GLY GLY          
SEQRES  44 A  686  ASN TYR ASN ILE LYS VAL ALA ASN ALA ALA GLY THR ALA          
SEQRES  45 A  686  SER ASN VAL TYR ASP ASN PHE GLU VAL LEU SER GLY ASP          
SEQRES  46 A  686  GLN VAL SER VAL ARG PHE VAL VAL ASN ASN ALA THR THR          
SEQRES  47 A  686  ALA LEU GLY GLN ASN VAL TYR LEU THR GLY SER VAL SER          
SEQRES  48 A  686  GLU LEU GLY ASN TRP ASP PRO ALA LYS ALA ILE GLY PRO          
SEQRES  49 A  686  MET TYR ASN GLN VAL VAL TYR GLN TYR PRO ASN TRP TYR          
SEQRES  50 A  686  TYR ASP VAL SER VAL PRO ALA GLY LYS THR ILE GLU PHE          
SEQRES  51 A  686  LYS PHE LEU LYS LYS GLN GLY SER THR VAL THR TRP GLU          
SEQRES  52 A  686  GLY GLY SER ASN HIS THR PHE THR ALA PRO SER SER GLY          
SEQRES  53 A  686  THR ALA THR ILE ASN VAL ASN TRP GLN PRO                      
HET    GLC  B   1      12                                                       
HET    GLC  B   2      11                                                       
HET    GLC  C   1      11                                                       
HET    GLC  C   2      11                                                       
HET    GLC  C   3      11                                                       
HET    GLC  C   4      11                                                       
HET    GLC  C   5      11                                                       
HET    GLC  C   6      11                                                       
HET    GLC  C   7      11                                                       
HET    GLC  C   8      11                                                       
HET    GLC  D   1      11                                                       
HET    GLC  D   2      11                                                       
HET    GLC  D   3      11                                                       
HET    GLC  D   4      11                                                       
HET    GLC  D   5      11                                                       
HET    GLC  D   6      11                                                       
HET    GLC  D   7      11                                                       
HET    GLC  D   8      11                                                       
HET    GLC  E   1      11                                                       
HET    GLC  E   2      11                                                       
HET    GLC  E   3      11                                                       
HET    GLC  E   4      11                                                       
HET    GLC  E   5      11                                                       
HET    GLC  E   6      11                                                       
HET    GLC  E   7      11                                                       
HET    GLC  E   8      11                                                       
HET     CA  A 687       1                                                       
HET     CA  A 688       1                                                       
HET     CA  A 689       1                                                       
HET    MPD  A 716       8                                                       
HETNAM     GLC ALPHA-D-GLUCOPYRANOSE                                            
HETNAM      CA CALCIUM ION                                                      
HETNAM     MPD (4S)-2-METHYL-2,4-PENTANEDIOL                                    
HETSYN     GLC ALPHA-D-GLUCOSE; D-GLUCOSE; GLUCOSE                              
FORMUL   2  GLC    26(C6 H12 O6)                                                
FORMUL   6   CA    3(CA 2+)                                                     
FORMUL   9  MPD    C6 H14 O2                                                    
FORMUL  10  HOH   *639(H2 O)                                                    
HELIX    1   1 PHE A   21  PHE A   25  5                                   5    
HELIX    2   2 ASN A   29  ASN A   33  5                                   5    
HELIX    3   3 THR A   35  ALA A   38  5                                   4    
HELIX    4   4 ASP A   53  ASP A   63  1                                  11    
HELIX    5   5 THR A  114  LYS A  128  1                                  15    
HELIX    6   6 THR A  185  LYS A  192  1                                   8    
HELIX    7   7 ASN A  204  LEU A  221  1                                  18    
HELIX    8   8 ALA A  230  MET A  234  5                                   5    
HELIX    9   9 PRO A  235  ASN A  248  1                                  14    
HELIX   10  10 SER A  266  SER A  276  1                                  11    
HELIX   11  11 ASP A  282  ARG A  294  1                                  13    
HELIX   12  12 ASN A  299  TYR A  314  1                                  16    
HELIX   13  13 GLN A  316  ASP A  319  5                                   4    
HELIX   14  14 ASN A  338  THR A  351  1                                  14    
HELIX   15  15 GLY A  361  TYR A  365  5                                   5    
HELIX   16  16 PRO A  372  ALA A  376  5                                   5    
HELIX   17  17 THR A  385  ALA A  395  1                                  11    
HELIX   18  18 PRO A  396  ASN A  401  1                                   6    
HELIX   19  19 ASN A  401  GLY A  407  1                                   7    
HELIX   20  20 GLY A  472  GLY A  475  5                                   4    
HELIX   21  21 SER A  537  ALA A  539  5                                   3    
HELIX   22  22 VAL A  610  GLY A  614  5                                   5    
HELIX   23  23 ASP A  617  ALA A  621  5                                   5    
SHEET    1   A 8 SER A 279  LEU A 280  0                                        
SHEET    2   A 8 PHE A 253  GLY A 256  1  O  THR A 254   N  SER A 279           
SHEET    3   A 8 GLY A 225  MET A 228  1  N  ILE A 226   O  PHE A 253           
SHEET    4   A 8 LYS A 131  PHE A 136  1  O  VAL A 132   N  GLY A 225           
SHEET    5   A 8 ALA A  73  ILE A  76  1  O  ILE A  74   N  ILE A 133           
SHEET    6   A 8 ILE A  17  ILE A  20  1  N  TYR A  18   O  ALA A  73           
SHEET    7   A 8 VAL A 355  TYR A 359  1  O  PRO A 356   N  ILE A  17           
SHEET    8   A 8 VAL A 321  THR A 322  1  O  THR A 322   N  ALA A 357           
SHEET    1   B 2 VAL A  80  ASN A  82  0                                        
SHEET    2   B 2 ALA A 102  THR A 108 -1  N  ARG A 103   O  GLU A  81           
SHEET    1   C 2 ILE A  87  ASN A  88  0                                        
SHEET    2   C 2 ASN A  93  ASN A  94 -1  O  ASN A  94   N  ILE A  87           
SHEET    1   D 2 HIS A 140  PRO A 143  0                                        
SHEET    2   D 2 LEU A 197  ASP A 199 -1  N  ALA A 198   O  SER A 142           
SHEET    1   E 2 LEU A 157  ASP A 159  0                                        
SHEET    2   E 2 THR A 162  GLY A 165 -1  O  THR A 162   N  ASP A 159           
SHEET    1   F 4 SER A 408  ILE A 414  0                                        
SHEET    2   F 4 VAL A 418  LYS A 424 -1  O  ILE A 420   N  ARG A 412           
SHEET    3   F 4 ASN A 428  ASN A 435 -1  O  ALA A 430   N  ARG A 423           
SHEET    4   F 4 THR A 487  THR A 493 -1  O  ALA A 488   N  ALA A 433           
SHEET    1   G 2 ALA A 442  ILE A 444  0                                        
SHEET    2   G 2 PHE A 480  LEU A 482 -1  O  PHE A 480   N  ILE A 444           
SHEET    1   H 2 GLY A 454  TYR A 456  0                                        
SHEET    2   H 2 LEU A 469  VAL A 471 -1  N  LEU A 469   O  TYR A 456           
SHEET    1   I 4 THR A 500  GLY A 505  0                                        
SHEET    2   I 4 THR A 514  ARG A 520 -1  N  THR A 516   O  GLY A 505           
SHEET    3   I 4 GLN A 548  LYS A 552 -1  O  ILE A 549   N  ILE A 517           
SHEET    4   I 4 ILE A 541  TRP A 544 -1  N  THR A 542   O  LYS A 550           
SHEET    1   J 5 MET A 508  ALA A 509  0                                        
SHEET    2   J 5 TYR A 576  VAL A 581  1  O  GLU A 580   N  ALA A 509           
SHEET    3   J 5 GLY A 559  ALA A 566 -1  O  GLY A 559   N  VAL A 581           
SHEET    4   J 5 THR A 528  PHE A 531 -1  N  THR A 528   O  ALA A 566           
SHEET    5   J 5 THR A 534  VAL A 536 -1  O  THR A 534   N  PHE A 531           
SHEET    1   K 3 TRP A 636  PRO A 643  0                                        
SHEET    2   K 3 GLN A 586  ASN A 594 -1  N  VAL A 587   O  VAL A 642           
SHEET    3   K 3 ALA A 678  ASN A 683  1  O  ALA A 678   N  ARG A 590           
SHEET    1   L 3 ASN A 603  GLY A 608  0                                        
SHEET    2   L 3 THR A 647  GLN A 656 -1  O  LYS A 651   N  THR A 607           
SHEET    3   L 3 THR A 659  TRP A 662 -1  N  THR A 659   O  GLN A 656           
SHEET    1  L1 3 ASN A 603  GLY A 608  0                                        
SHEET    2  L1 3 THR A 647  GLN A 656 -1  O  LYS A 651   N  THR A 607           
SHEET    3  L1 3 HIS A 668  THR A 671 -1  N  HIS A 668   O  PHE A 650           
SSBOND   1 CYS A   43    CYS A   50                          1555   1555  2.03  
LINK         O4  GLC B   1                 C1  GLC B   2     1555   1555  1.41  
LINK         O4  GLC C   1                 C1  GLC C   2     1555   1555  1.42  
LINK         C1  GLC C   1                 O4  GLC C   8     1555   1555  1.41  
LINK         O4  GLC C   2                 C1  GLC C   3     1555   1555  1.44  
LINK         O4  GLC C   3                 C1  GLC C   4     1555   1555  1.50  
LINK         O4  GLC C   4                 C1  GLC C   5     1555   1555  1.41  
LINK         O4  GLC C   5                 C1  GLC C   6     1555   1555  1.44  
LINK         O4  GLC C   6                 C1  GLC C   7     1555   1555  1.44  
LINK         O4  GLC C   7                 C1  GLC C   8     1555   1555  1.40  
LINK         O4  GLC D   1                 C1  GLC D   2     1555   1555  1.40  
LINK         C1  GLC D   1                 O4  GLC D   8     1555   1555  1.40  
LINK         O4  GLC D   2                 C1  GLC D   3     1555   1555  1.42  
LINK         O4  GLC D   3                 C1  GLC D   4     1555   1555  1.40  
LINK         O4  GLC D   4                 C1  GLC D   5     1555   1555  1.47  
LINK         O4  GLC D   5                 C1  GLC D   6     1555   1555  1.47  
LINK         O4  GLC D   6                 C1  GLC D   7     1555   1555  1.42  
LINK         O4  GLC D   7                 C1  GLC D   8     1555   1555  1.42  
LINK         O4  GLC E   1                 C1  GLC E   2     1555   1555  1.38  
LINK         C1  GLC E   1                 O4  GLC E   8     1555   1555  1.37  
LINK         O4  GLC E   2                 C1  GLC E   3     1555   1555  1.42  
LINK         O4  GLC E   3                 C1  GLC E   4     1555   1555  1.45  
LINK         O4  GLC E   4                 C1  GLC E   5     1555   1555  1.43  
LINK         O4  GLC E   5                 C1  GLC E   6     1555   1555  1.46  
LINK         O4  GLC E   6                 C1  GLC E   7     1555   1555  1.38  
LINK         O4  GLC E   7                 C1  GLC E   8     1555   1555  1.39  
LINK         OD1 ASP A  27                CA    CA A 687     1555   1555  2.24  
LINK         O   ASN A  29                CA    CA A 687     1555   1555  2.60  
LINK         OD1 ASN A  32                CA    CA A 687     1555   1555  2.49  
LINK         OD1 ASN A  33                CA    CA A 687     1555   1555  2.24  
LINK         O   GLY A  51                CA    CA A 687     1555   1555  2.43  
LINK         OD2 ASP A  53                CA    CA A 687     1555   1555  2.37  
LINK         OD1 ASN A 139                CA    CA A 688     1555   1555  2.53  
LINK         O   ILE A 190                CA    CA A 688     1555   1555  2.52  
LINK         OD1 ASP A 199                CA    CA A 688     1555   1555  2.52  
LINK         OD2 ASP A 199                CA    CA A 688     1555   1555  2.41  
LINK         O   HIS A 233                CA    CA A 688     1555   1555  2.40  
LINK         O   ALA A 315                CA    CA A 689     1555   1555  2.31  
LINK         OD1 ASP A 577                CA    CA A 689     1555   1555  2.69  
LINK        CA    CA A 687                 O   HOH A 950     1555   1555  2.54  
LINK        CA    CA A 688                 O   HOH A 866     1555   1555  2.39  
LINK        CA    CA A 688                 O   HOH A 867     1555   1555  2.37  
LINK        CA    CA A 688                 O   HOH A 915     1555   1555  2.45  
LINK        CA    CA A 689                 O   HOH A 806     1555   1555  2.35  
LINK        CA    CA A 689                 O   HOH A 927     1555   1555  2.58  
LINK        CA    CA A 689                 O   HOH A 978     1555   1555  2.39  
LINK        CA    CA A 689                 O   HOH A1057     1555   1555  2.44  
LINK        CA    CA A 689                 O   HOH A1344     1555   1555  2.52  
CISPEP   1 ASP A  371    PRO A  372          0         5.74                     
CISPEP   2 GLY A  505    PRO A  506          0        -0.23                     
CISPEP   3 GLY A  623    PRO A  624          0         0.62                     
CISPEP   4 TYR A  633    PRO A  634          0         5.16                     
CRYST1  117.791  109.532   65.223  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.008490  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009130  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015332        0.00000