HEADER    OXIDOREDUCTASE                          24-SEP-14   4RF3              
TITLE     CRYSTAL STRUCTURE OF KETOREDUCTASE FROM LACTOBACILLUS KEFIR, MUTANT   
TITLE    2 A94F                                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NADPH DEPENDENT R-SPECIFIC ALCOHOL DEHYDROGENASE;          
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: KETOREDUCTASE;                                              
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: LACTOBACILLUS KEFIRI;                           
SOURCE   3 ORGANISM_TAXID: 33962;                                               
SOURCE   4 GENE: ADHR;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PHIS8                                     
KEYWDS    OXIDOREDUCTASE                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.TANG,N.TIBREWAL,D.CASCIO                                            
REVDAT   5   20-SEP-23 4RF3    1       REMARK SEQADV LINK                       
REVDAT   4   06-JAN-16 4RF3    1       JRNL                                     
REVDAT   3   23-DEC-15 4RF3    1       JRNL                                     
REVDAT   2   25-NOV-15 4RF3    1       JRNL                                     
REVDAT   1   30-SEP-15 4RF3    0                                                
JRNL        AUTH   E.L.NOEY,N.TIBREWAL,G.JIMENEZ-OSES,S.OSUNA,J.PARK,C.M.BOND,  
JRNL        AUTH 2 D.CASCIO,J.LIANG,X.ZHANG,G.W.HUISMAN,Y.TANG,K.N.HOUK         
JRNL        TITL   ORIGINS OF STEREOSELECTIVITY IN EVOLVED KETOREDUCTASES.      
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 112 E7065 2015              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   26644568                                                     
JRNL        DOI    10.1073/PNAS.1507910112                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.69 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX DEV_1555                                      
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 56.78                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 84.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 46936                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.211                           
REMARK   3   R VALUE            (WORKING SET) : 0.208                           
REMARK   3   FREE R VALUE                     : 0.242                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4693                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 56.8120 -  5.2624    0.75     1383   154  0.1861 0.2007        
REMARK   3     2  5.2624 -  4.1773    0.80     1398   155  0.1520 0.1749        
REMARK   3     3  4.1773 -  3.6494    0.76     1305   145  0.1600 0.1793        
REMARK   3     4  3.6494 -  3.3157    0.82     1407   157  0.1774 0.1893        
REMARK   3     5  3.3157 -  3.0781    0.84     1405   156  0.1912 0.2192        
REMARK   3     6  3.0781 -  2.8966    0.84     1440   160  0.2074 0.2426        
REMARK   3     7  2.8966 -  2.7516    0.77     1290   143  0.2370 0.2751        
REMARK   3     8  2.7516 -  2.6318    0.80     1348   150  0.2207 0.2168        
REMARK   3     9  2.6318 -  2.5305    0.84     1422   158  0.2149 0.2576        
REMARK   3    10  2.5305 -  2.4432    0.85     1416   157  0.2332 0.2411        
REMARK   3    11  2.4432 -  2.3668    0.85     1431   158  0.2277 0.3124        
REMARK   3    12  2.3668 -  2.2991    0.85     1425   159  0.2185 0.2485        
REMARK   3    13  2.2991 -  2.2386    0.87     1439   160  0.2112 0.2433        
REMARK   3    14  2.2386 -  2.1840    0.86     1432   159  0.2213 0.2634        
REMARK   3    15  2.1840 -  2.1343    0.76     1287   143  0.2219 0.2663        
REMARK   3    16  2.1343 -  2.0889    0.84     1390   154  0.2216 0.2803        
REMARK   3    17  2.0889 -  2.0471    0.86     1424   159  0.2229 0.2482        
REMARK   3    18  2.0471 -  2.0085    0.87     1433   159  0.2082 0.2803        
REMARK   3    19  2.0085 -  1.9726    0.88     1481   165  0.2227 0.2709        
REMARK   3    20  1.9726 -  1.9392    0.89     1456   162  0.2250 0.2623        
REMARK   3    21  1.9392 -  1.9079    0.88     1479   164  0.2193 0.3011        
REMARK   3    22  1.9079 -  1.8785    0.89     1463   162  0.2223 0.2667        
REMARK   3    23  1.8785 -  1.8509    0.89     1481   165  0.2320 0.2603        
REMARK   3    24  1.8509 -  1.8248    0.90     1498   167  0.2325 0.2943        
REMARK   3    25  1.8248 -  1.8002    0.83     1385   153  0.2507 0.2969        
REMARK   3    26  1.8002 -  1.7768    0.84     1372   153  0.2479 0.3426        
REMARK   3    27  1.7768 -  1.7546    0.87     1429   159  0.2595 0.3161        
REMARK   3    28  1.7546 -  1.7334    0.89     1482   164  0.2572 0.3064        
REMARK   3    29  1.7334 -  1.7133    0.89     1480   164  0.2599 0.3256        
REMARK   3    30  1.7133 -  1.6940    0.71     1162   129  0.3566 0.3568        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.210            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.810           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 15.45                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.36                          
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           3766                                  
REMARK   3   ANGLE     :  0.985           5099                                  
REMARK   3   CHIRALITY :  0.041            593                                  
REMARK   3   PLANARITY :  0.005            658                                  
REMARK   3   DIHEDRAL  : 10.932           1324                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ( CHAIN A AND ( RESID 2:252 OR RESID 301:301 OR        
REMARK   3               RESID 401:537 OR RESID 302:302 ) ) OR ( CHAIN B AND    
REMARK   3               ( RESID 3:252 OR RESID 301:303 ) )                     
REMARK   3    ORIGIN FOR THE GROUP (A):   -4.563   14.686   11.213              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1563 T22:   0.1420                                     
REMARK   3      T33:   0.0873 T12:   0.0044                                     
REMARK   3      T13:  -0.0026 T23:  -0.0023                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1626 L22:   0.2360                                     
REMARK   3      L33:   0.4482 L12:  -0.0486                                     
REMARK   3      L13:  -0.0332 L23:  -0.0834                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0098 S12:  -0.0387 S13:   0.0073                       
REMARK   3      S21:   0.0470 S22:   0.0009 S23:   0.0111                       
REMARK   3      S31:  -0.0471 S32:  -0.0159 S33:   0.0061                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : 1                                           
REMARK   3   NCS GROUP : 1                                                      
REMARK   3    NCS OPERATOR : 1                                                  
REMARK   3     REFERENCE SELECTION: CHAIN A                                     
REMARK   3     SELECTION          : CHAIN B                                     
REMARK   3     ATOM PAIRS NUMBER  : 2228                                        
REMARK   3     RMSD               : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4RF3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-SEP-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000087266.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-DEC-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 24-ID-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9792                             
REMARK 200  MONOCHROMATOR                  : CRYO-COOLED DOUBLE CRYSTAL         
REMARK 200                                   SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M-F               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46947                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.690                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 67.610                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 84.0                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.10100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.5400                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 81.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.47100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.270                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.5.5                                          
REMARK 200 STARTING MODEL: PDB ENTRY 1NXQ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.23                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.6 M MAGNESIUM CHLORIDE, 0.1 M BIS      
REMARK 280  -TRIS, PH 5.5, 20% W/V PEG3350, VAPOR DIFFUSION, HANGING DROP,      
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       33.07500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       55.33500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       33.07500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       55.33500            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 14670 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 30680 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -102.0 KCAL/MOL                       
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 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     HIS A   -19                                                      
REMARK 465     HIS A   -18                                                      
REMARK 465     HIS A   -17                                                      
REMARK 465     HIS A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     GLY A   -11                                                      
REMARK 465     GLY A   -10                                                      
REMARK 465     LEU A    -9                                                      
REMARK 465     VAL A    -8                                                      
REMARK 465     PRO A    -7                                                      
REMARK 465     ARG A    -6                                                      
REMARK 465     GLY A    -5                                                      
REMARK 465     SER A    -4                                                      
REMARK 465     HIS A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     HIS B   -19                                                      
REMARK 465     HIS B   -18                                                      
REMARK 465     HIS B   -17                                                      
REMARK 465     HIS B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     GLY B   -11                                                      
REMARK 465     GLY B   -10                                                      
REMARK 465     LEU B    -9                                                      
REMARK 465     VAL B    -8                                                      
REMARK 465     PRO B    -7                                                      
REMARK 465     ARG B    -6                                                      
REMARK 465     GLY B    -5                                                      
REMARK 465     SER B    -4                                                      
REMARK 465     HIS B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     SER B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     THR B     2                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     THR A   2    OG1  CG2                                            
REMARK 470     LYS A   6    CG   CD   CE   NZ                                   
REMARK 470     GLU A  45    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  46    CG   CD   CE   NZ                                   
REMARK 470     GLU A 105    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 200    CG   CD   OE1  OE2                                  
REMARK 470     MET A 205    CG   SD   CE                                        
REMARK 470     ASP B   3    CG   OD1  OD2                                       
REMARK 470     LYS B   6    CG   CD   CE   NZ                                   
REMARK 470     GLU B  78    CG   CD   OE1  OE2                                  
REMARK 470     GLU B  79    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 105    CG   CD   OE1  OE2                                  
REMARK 470     ARG B 108    CZ   NH1  NH2                                       
REMARK 470     LYS B 192    CG   CD   CE   NZ                                   
REMARK 470     GLU B 200    CG   CD   OE1  OE2                                  
REMARK 470     MET B 205    CG   SD   CE                                        
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   OG   SER A   143     OE1  GLU A   145              2.08            
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    SER A 142     -138.09    -99.20                                   
REMARK 500    LYS A 211      -74.17   -104.81                                   
REMARK 500    ASP A 246       13.79   -141.22                                   
REMARK 500    SER B 142     -137.54    -97.44                                   
REMARK 500    LYS B 211      -74.29   -103.90                                   
REMARK 500    ASP B 246       13.14   -141.52                                   
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                              MG A 302  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  25   OD1                                                    
REMARK 620 2 HOH A 406   O    90.5                                              
REMARK 620 3 HOH A 407   O   175.1  90.4                                        
REMARK 620 4 HOH A 408   O    86.5 176.9  92.5                                  
REMARK 620 5 HOH A 409   O    97.7  83.5  87.1  97.7                            
REMARK 620 6 HOH A 410   O    94.7  81.6  80.7  97.8 160.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 301  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN A 252   O                                                      
REMARK 620 2 HOH A 402   O    74.8                                              
REMARK 620 3 HOH A 403   O    92.4  96.7                                        
REMARK 620 4 HOH A 404   O    97.2  89.9 169.5                                  
REMARK 620 5 HOH A 405   O    93.4 167.6  87.8  87.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 303                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4RF2   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4RF4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4RF5   RELATED DB: PDB                                   
DBREF  4RF3 A    1   252  UNP    Q6WVP7   Q6WVP7_9LACO     1    252             
DBREF  4RF3 B    1   252  UNP    Q6WVP7   Q6WVP7_9LACO     1    252             
SEQADV 4RF3 HIS A  -19  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -18  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -17  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -16  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -15  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -14  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -13  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A  -12  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY A  -11  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY A  -10  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 LEU A   -9  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 VAL A   -8  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 PRO A   -7  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 ARG A   -6  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY A   -5  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 SER A   -4  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS A   -3  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY A   -2  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY A   -1  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 SER A    0  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 PHE A   94  UNP  Q6WVP7    ALA    94 ENGINEERED MUTATION            
SEQADV 4RF3 HIS B  -19  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -18  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -17  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -16  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -15  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -14  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -13  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B  -12  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY B  -11  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY B  -10  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 LEU B   -9  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 VAL B   -8  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 PRO B   -7  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 ARG B   -6  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY B   -5  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 SER B   -4  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 HIS B   -3  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY B   -2  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 GLY B   -1  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 SER B    0  UNP  Q6WVP7              EXPRESSION TAG                 
SEQADV 4RF3 PHE B   94  UNP  Q6WVP7    ALA    94 ENGINEERED MUTATION            
SEQRES   1 A  272  HIS HIS HIS HIS HIS HIS HIS HIS GLY GLY LEU VAL PRO          
SEQRES   2 A  272  ARG GLY SER HIS GLY GLY SER MET THR ASP ARG LEU LYS          
SEQRES   3 A  272  GLY LYS VAL ALA ILE VAL THR GLY GLY THR LEU GLY ILE          
SEQRES   4 A  272  GLY LEU ALA ILE ALA ASP LYS PHE VAL GLU GLU GLY ALA          
SEQRES   5 A  272  LYS VAL VAL ILE THR GLY ARG HIS ALA ASP VAL GLY GLU          
SEQRES   6 A  272  LYS ALA ALA LYS SER ILE GLY GLY THR ASP VAL ILE ARG          
SEQRES   7 A  272  PHE VAL GLN HIS ASP ALA SER ASP GLU ALA GLY TRP THR          
SEQRES   8 A  272  LYS LEU PHE ASP THR THR GLU GLU ALA PHE GLY PRO VAL          
SEQRES   9 A  272  THR THR VAL VAL ASN ASN ALA GLY ILE PHE VAL SER LYS          
SEQRES  10 A  272  SER VAL GLU ASP THR THR THR GLU GLU TRP ARG LYS LEU          
SEQRES  11 A  272  LEU SER VAL ASN LEU ASP GLY VAL PHE PHE GLY THR ARG          
SEQRES  12 A  272  LEU GLY ILE GLN ARG MET LYS ASN LYS GLY LEU GLY ALA          
SEQRES  13 A  272  SER ILE ILE ASN MET SER SER ILE GLU GLY PHE VAL GLY          
SEQRES  14 A  272  ASP PRO THR LEU GLY ALA TYR ASN ALA SER LYS GLY ALA          
SEQRES  15 A  272  VAL ARG ILE MET SER LYS SER ALA ALA LEU ASP CYS ALA          
SEQRES  16 A  272  LEU LYS ASP TYR ASP VAL ARG VAL ASN THR VAL HIS PRO          
SEQRES  17 A  272  GLY TYR ILE LYS THR PRO LEU VAL ASP ASP LEU GLU GLY          
SEQRES  18 A  272  ALA GLU GLU MET MET SER GLN ARG THR LYS THR PRO MET          
SEQRES  19 A  272  GLY HIS ILE GLY GLU PRO ASN ASP ILE ALA TRP ILE CYS          
SEQRES  20 A  272  VAL TYR LEU ALA SER ASP GLU SER LYS PHE ALA THR GLY          
SEQRES  21 A  272  ALA GLU PHE VAL VAL ASP GLY GLY TYR THR ALA GLN              
SEQRES   1 B  272  HIS HIS HIS HIS HIS HIS HIS HIS GLY GLY LEU VAL PRO          
SEQRES   2 B  272  ARG GLY SER HIS GLY GLY SER MET THR ASP ARG LEU LYS          
SEQRES   3 B  272  GLY LYS VAL ALA ILE VAL THR GLY GLY THR LEU GLY ILE          
SEQRES   4 B  272  GLY LEU ALA ILE ALA ASP LYS PHE VAL GLU GLU GLY ALA          
SEQRES   5 B  272  LYS VAL VAL ILE THR GLY ARG HIS ALA ASP VAL GLY GLU          
SEQRES   6 B  272  LYS ALA ALA LYS SER ILE GLY GLY THR ASP VAL ILE ARG          
SEQRES   7 B  272  PHE VAL GLN HIS ASP ALA SER ASP GLU ALA GLY TRP THR          
SEQRES   8 B  272  LYS LEU PHE ASP THR THR GLU GLU ALA PHE GLY PRO VAL          
SEQRES   9 B  272  THR THR VAL VAL ASN ASN ALA GLY ILE PHE VAL SER LYS          
SEQRES  10 B  272  SER VAL GLU ASP THR THR THR GLU GLU TRP ARG LYS LEU          
SEQRES  11 B  272  LEU SER VAL ASN LEU ASP GLY VAL PHE PHE GLY THR ARG          
SEQRES  12 B  272  LEU GLY ILE GLN ARG MET LYS ASN LYS GLY LEU GLY ALA          
SEQRES  13 B  272  SER ILE ILE ASN MET SER SER ILE GLU GLY PHE VAL GLY          
SEQRES  14 B  272  ASP PRO THR LEU GLY ALA TYR ASN ALA SER LYS GLY ALA          
SEQRES  15 B  272  VAL ARG ILE MET SER LYS SER ALA ALA LEU ASP CYS ALA          
SEQRES  16 B  272  LEU LYS ASP TYR ASP VAL ARG VAL ASN THR VAL HIS PRO          
SEQRES  17 B  272  GLY TYR ILE LYS THR PRO LEU VAL ASP ASP LEU GLU GLY          
SEQRES  18 B  272  ALA GLU GLU MET MET SER GLN ARG THR LYS THR PRO MET          
SEQRES  19 B  272  GLY HIS ILE GLY GLU PRO ASN ASP ILE ALA TRP ILE CYS          
SEQRES  20 B  272  VAL TYR LEU ALA SER ASP GLU SER LYS PHE ALA THR GLY          
SEQRES  21 B  272  ALA GLU PHE VAL VAL ASP GLY GLY TYR THR ALA GLN              
HET     MG  A 301       1                                                       
HET     MG  A 302       1                                                       
HET    GOL  B 301       6                                                       
HET    GOL  B 302       6                                                       
HET    GOL  B 303       6                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5  GOL    3(C3 H8 O3)                                                  
FORMUL   8  HOH   *137(H2 O)                                                    
HELIX    1   1 LEU A   17  GLU A   30  1                                  14    
HELIX    2   2 HIS A   40  GLY A   52  1                                  13    
HELIX    3   3 ASP A   66  GLY A   82  1                                  17    
HELIX    4   4 THR A  103  LEU A  115  1                                  13    
HELIX    5   5 LEU A  115  LYS A  130  1                                  16    
HELIX    6   6 SER A  143  PHE A  147  5                                   5    
HELIX    7   7 LEU A  153  LYS A  177  1                                  25    
HELIX    8   8 THR A  193  LEU A  199  1                                   7    
HELIX    9   9 GLY A  201  SER A  207  1                                   7    
HELIX   10  10 GLU A  219  SER A  232  1                                  14    
HELIX   11  11 ASP A  233  LYS A  236  5                                   4    
HELIX   12  12 LEU B   17  GLU B   30  1                                  14    
HELIX   13  13 HIS B   40  GLY B   52  1                                  13    
HELIX   14  14 ASP B   66  GLY B   82  1                                  17    
HELIX   15  15 THR B  103  LEU B  115  1                                  13    
HELIX   16  16 LEU B  115  LYS B  130  1                                  16    
HELIX   17  17 SER B  143  PHE B  147  5                                   5    
HELIX   18  18 LEU B  153  LYS B  177  1                                  25    
HELIX   19  19 THR B  193  LEU B  199  1                                   7    
HELIX   20  20 GLY B  201  SER B  207  1                                   7    
HELIX   21  21 GLU B  219  SER B  232  1                                  14    
HELIX   22  22 ASP B  233  LYS B  236  5                                   4    
HELIX   23  23 GLY B  248  GLN B  252  5                                   5    
SHEET    1   A 7 ILE A  57  GLN A  61  0                                        
SHEET    2   A 7 LYS A  33  GLY A  38  1  N  ILE A  36   O  ARG A  58           
SHEET    3   A 7 VAL A   9  VAL A  12  1  N  ALA A  10   O  LYS A  33           
SHEET    4   A 7 THR A  86  ASN A  89  1  O  VAL A  88   N  ILE A  11           
SHEET    5   A 7 ALA A 136  MET A 141  1  O  ILE A 139   N  VAL A  87           
SHEET    6   A 7 VAL A 181  PRO A 188  1  O  ARG A 182   N  ILE A 138           
SHEET    7   A 7 GLU A 242  VAL A 245  1  O  PHE A 243   N  HIS A 187           
SHEET    1   B 7 ILE B  57  GLN B  61  0                                        
SHEET    2   B 7 LYS B  33  GLY B  38  1  N  ILE B  36   O  VAL B  60           
SHEET    3   B 7 VAL B   9  VAL B  12  1  N  ALA B  10   O  LYS B  33           
SHEET    4   B 7 THR B  86  ASN B  89  1  O  VAL B  88   N  ILE B  11           
SHEET    5   B 7 ALA B 136  MET B 141  1  O  ILE B 139   N  VAL B  87           
SHEET    6   B 7 VAL B 181  PRO B 188  1  O  ARG B 182   N  ILE B 138           
SHEET    7   B 7 GLU B 242  VAL B 245  1  O  PHE B 243   N  HIS B 187           
LINK         OD1 ASP A  25                MG    MG A 302     1555   1555  2.07  
LINK         O   GLN A 252                MG    MG A 301     1555   1555  2.05  
LINK        MG    MG A 301                 O   HOH A 402     1555   1555  2.13  
LINK        MG    MG A 301                 O   HOH A 403     1555   1555  1.91  
LINK        MG    MG A 301                 O   HOH A 404     1555   1555  2.21  
LINK        MG    MG A 301                 O   HOH A 405     1555   1555  2.08  
LINK        MG    MG A 302                 O   HOH A 406     1555   1555  2.16  
LINK        MG    MG A 302                 O   HOH A 407     1555   1555  2.09  
LINK        MG    MG A 302                 O   HOH A 408     1555   1555  2.03  
LINK        MG    MG A 302                 O   HOH A 409     1555   1555  2.09  
LINK        MG    MG A 302                 O   HOH A 410     1555   1555  2.31  
SITE     1 AC1  6 GLN A 252  HOH A 402  HOH A 403  HOH A 404                    
SITE     2 AC1  6 HOH A 405  GLN B 252                                          
SITE     1 AC2  6 ASP A  25  HOH A 406  HOH A 407  HOH A 408                    
SITE     2 AC2  6 HOH A 409  HOH A 410                                          
SITE     1 AC3 10 ASP A  66  GLY A  69  LYS A  72  HOH A 453                    
SITE     2 AC3 10 HOH A 521  GLN B  61  HIS B  62  ASP B  63                    
SITE     3 AC3 10 ASP B  66  GOL B 302                                          
SITE     1 AC4 10 GLN A  61  HIS A  62  ASP A  63  ASP A  66                    
SITE     2 AC4 10 HOH A 429  HOH A 526  ASP B  66  GLY B  69                    
SITE     3 AC4 10 LYS B  72  GOL B 301                                          
SITE     1 AC5  2 LEU B 111  ASP B 116                                          
CRYST1   66.150  110.670   67.610  90.00  90.00  90.00 P 21 21 2     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      0.015117  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009036  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014791        0.00000