HEADER    ISOMERASE                               04-FEB-11   3QMQ              
TITLE     CRYSTAL STRUCTURE OF E. COLI LSRG                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: AUTOINDUCER-2 (AI-2) MODIFYING PROTEIN LSRG;               
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 511145;                                              
SOURCE   4 STRAIN: K-12 MG1655;                                                 
SOURCE   5 GENE: G2583_1883, LSRG;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PPROEX HTB                                
KEYWDS    AI-2 MODIFYING PROTEIN, ISOMERASE                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.T.MILLER,C.RUSSELL                                                  
REVDAT   3   13-SEP-23 3QMQ    1       SEQADV                                   
REVDAT   2   01-JUN-11 3QMQ    1       JRNL                                     
REVDAT   1   13-APR-11 3QMQ    0                                                
JRNL        AUTH   J.C.MARQUES,P.LAMOSA,C.RUSSELL,R.VENTURA,C.MAYCOCK,          
JRNL        AUTH 2 M.F.SEMMELHACK,S.T.MILLER,K.B.XAVIER                         
JRNL        TITL   PROCESSING THE INTERSPECIES QUORUM-SENSING SIGNAL            
JRNL        TITL 2 AUTOINDUCER-2 (AI-2): CHARACTERIZATION OF                    
JRNL        TITL 3 PHOSPHO-(S)-4,5-DIHYDROXY-2,3-PENTANEDIONE ISOMERIZATION BY  
JRNL        TITL 4 LSRG PROTEIN.                                                
JRNL        REF    J.BIOL.CHEM.                  V. 286 18331 2011              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   21454635                                                     
JRNL        DOI    10.1074/JBC.M111.230227                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 42865                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.206                           
REMARK   3   R VALUE            (WORKING SET) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.243                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2165                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2881                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.80                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2810                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 149                          
REMARK   3   BIN FREE R VALUE                    : 0.3900                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3220                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 288                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.61                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.61000                                              
REMARK   3    B22 (A**2) : -0.70000                                             
REMARK   3    B33 (A**2) : 0.09000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.30000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.131         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.103         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.294         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.945                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.929                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3292 ; 0.023 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4442 ; 1.969 ; 1.952       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   388 ; 5.782 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   176 ;33.912 ;24.318       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   590 ;16.444 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    20 ;22.847 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   478 ; 0.152 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2532 ; 0.012 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1958 ; 1.290 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3182 ; 2.131 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1334 ; 3.539 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1260 ; 5.637 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     0        A    96                          
REMARK   3    RESIDUE RANGE :   A    97        A   288                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -9.5182  -4.7975 -28.1369              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0288 T22:   0.0106                                     
REMARK   3      T33:   0.0100 T12:  -0.0071                                     
REMARK   3      T13:   0.0002 T23:   0.0073                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3886 L22:   0.6122                                     
REMARK   3      L33:   1.5128 L12:   0.2230                                     
REMARK   3      L13:   0.2314 L23:   0.2225                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0054 S12:  -0.0528 S13:  -0.0367                       
REMARK   3      S21:  -0.0447 S22:   0.0007 S23:  -0.0243                       
REMARK   3      S31:   0.1731 S32:  -0.0457 S33:  -0.0062                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     0        B    96                          
REMARK   3    RESIDUE RANGE :   B    97        B   285                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -8.5007 -19.7690  -3.3763              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0127 T22:   0.0134                                     
REMARK   3      T33:   0.0143 T12:   0.0003                                     
REMARK   3      T13:   0.0085 T23:   0.0051                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3868 L22:   0.8519                                     
REMARK   3      L33:   0.8562 L12:  -0.1838                                     
REMARK   3      L13:  -0.2690 L23:   0.1978                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0404 S12:   0.0333 S13:   0.0729                       
REMARK   3      S21:   0.0358 S22:   0.0242 S23:  -0.0351                       
REMARK   3      S31:  -0.0285 S32:  -0.0267 S33:  -0.0647                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   C    -2        C    96                          
REMARK   3    RESIDUE RANGE :   C    97        C   286                          
REMARK   3    ORIGIN FOR THE GROUP (A):   8.7079 -32.5924  -9.0103              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0245 T22:   0.0165                                     
REMARK   3      T33:   0.0136 T12:   0.0091                                     
REMARK   3      T13:  -0.0034 T23:   0.0115                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.1667 L22:   0.2191                                     
REMARK   3      L33:   0.6570 L12:   0.1385                                     
REMARK   3      L13:  -0.1965 L23:   0.1098                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0219 S12:   0.0095 S13:   0.0449                       
REMARK   3      S21:   0.0569 S22:   0.0280 S23:   0.0002                       
REMARK   3      S31:   0.1013 S32:   0.0428 S33:  -0.0061                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D    -2        D    96                          
REMARK   3    RESIDUE RANGE :   D    97        D   287                          
REMARK   3    ORIGIN FOR THE GROUP (A):   7.4262   7.8428 -22.5922              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0614 T22:   0.0367                                     
REMARK   3      T33:   0.0103 T12:  -0.0149                                     
REMARK   3      T13:  -0.0046 T23:   0.0158                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.2997 L22:   0.1384                                     
REMARK   3      L33:   0.6830 L12:   0.1810                                     
REMARK   3      L13:   0.2149 L23:  -0.0231                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0149 S12:  -0.0521 S13:  -0.0580                       
REMARK   3      S21:  -0.0595 S22:   0.0087 S23:   0.0027                       
REMARK   3      S31:  -0.1065 S32:   0.0713 S33:   0.0062                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: U VALUES : RESIDUAL ONLY                  
REMARK   4                                                                      
REMARK   4 3QMQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000063839.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-OCT-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 42888                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.12700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 5.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.42000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.1.3                                          
REMARK 200 STARTING MODEL: PDB ENTRY CODE 2GFF                                  
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.01                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.65 M NACITRATE, PH 6.5, HANGING        
REMARK 280  DROP, TEMPERATURE 298K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       41.69850            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2240 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10320 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D                                  
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2270 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10440 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     MET B    -2                                                      
REMARK 465     GLY B    -1                                                      
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   OD1  ASN D    47     O    HOH D   142              1.95            
REMARK 500   O    ASN D    35     O    HOH D   216              2.13            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    ARG D  37   CG    ARG D  37   CD     -0.150                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG D  86   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG D  86   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    PHE C  38       59.20   -141.13                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3QMQ A    1    96  UNP    D3QT67   D3QT67_ECOCB     1     96             
DBREF  3QMQ B    1    96  UNP    D3QT67   D3QT67_ECOCB     1     96             
DBREF  3QMQ C    1    96  UNP    D3QT67   D3QT67_ECOCB     1     96             
DBREF  3QMQ D    1    96  UNP    D3QT67   D3QT67_ECOCB     1     96             
SEQADV 3QMQ MET A   -2  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ GLY A   -1  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ SER A    0  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ MET B   -2  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ GLY B   -1  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ SER B    0  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ MET C   -2  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ GLY C   -1  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ SER C    0  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ MET D   -2  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ GLY D   -1  UNP  D3QT67              EXPRESSION TAG                 
SEQADV 3QMQ SER D    0  UNP  D3QT67              EXPRESSION TAG                 
SEQRES   1 A   99  MET GLY SER MET HIS VAL THR LEU VAL GLU ILE ASN VAL          
SEQRES   2 A   99  HIS GLU ASP LYS VAL ASP GLU PHE ILE GLU VAL PHE ARG          
SEQRES   3 A   99  GLN ASN HIS LEU GLY SER VAL GLN GLU GLU GLY ASN LEU          
SEQRES   4 A   99  ARG PHE ASP VAL LEU GLN ASP PRO GLU VAL ASN SER ARG          
SEQRES   5 A   99  PHE TYR ILE TYR GLU ALA TYR LYS ASP GLU ASP ALA VAL          
SEQRES   6 A   99  ALA PHE HIS LYS THR THR PRO HIS TYR LYS THR CYS VAL          
SEQRES   7 A   99  ALA LYS LEU GLU SER LEU MET THR GLY PRO ARG LYS LYS          
SEQRES   8 A   99  ARG LEU PHE ASN GLY LEU MET PRO                              
SEQRES   1 B   99  MET GLY SER MET HIS VAL THR LEU VAL GLU ILE ASN VAL          
SEQRES   2 B   99  HIS GLU ASP LYS VAL ASP GLU PHE ILE GLU VAL PHE ARG          
SEQRES   3 B   99  GLN ASN HIS LEU GLY SER VAL GLN GLU GLU GLY ASN LEU          
SEQRES   4 B   99  ARG PHE ASP VAL LEU GLN ASP PRO GLU VAL ASN SER ARG          
SEQRES   5 B   99  PHE TYR ILE TYR GLU ALA TYR LYS ASP GLU ASP ALA VAL          
SEQRES   6 B   99  ALA PHE HIS LYS THR THR PRO HIS TYR LYS THR CYS VAL          
SEQRES   7 B   99  ALA LYS LEU GLU SER LEU MET THR GLY PRO ARG LYS LYS          
SEQRES   8 B   99  ARG LEU PHE ASN GLY LEU MET PRO                              
SEQRES   1 C   99  MET GLY SER MET HIS VAL THR LEU VAL GLU ILE ASN VAL          
SEQRES   2 C   99  HIS GLU ASP LYS VAL ASP GLU PHE ILE GLU VAL PHE ARG          
SEQRES   3 C   99  GLN ASN HIS LEU GLY SER VAL GLN GLU GLU GLY ASN LEU          
SEQRES   4 C   99  ARG PHE ASP VAL LEU GLN ASP PRO GLU VAL ASN SER ARG          
SEQRES   5 C   99  PHE TYR ILE TYR GLU ALA TYR LYS ASP GLU ASP ALA VAL          
SEQRES   6 C   99  ALA PHE HIS LYS THR THR PRO HIS TYR LYS THR CYS VAL          
SEQRES   7 C   99  ALA LYS LEU GLU SER LEU MET THR GLY PRO ARG LYS LYS          
SEQRES   8 C   99  ARG LEU PHE ASN GLY LEU MET PRO                              
SEQRES   1 D   99  MET GLY SER MET HIS VAL THR LEU VAL GLU ILE ASN VAL          
SEQRES   2 D   99  HIS GLU ASP LYS VAL ASP GLU PHE ILE GLU VAL PHE ARG          
SEQRES   3 D   99  GLN ASN HIS LEU GLY SER VAL GLN GLU GLU GLY ASN LEU          
SEQRES   4 D   99  ARG PHE ASP VAL LEU GLN ASP PRO GLU VAL ASN SER ARG          
SEQRES   5 D   99  PHE TYR ILE TYR GLU ALA TYR LYS ASP GLU ASP ALA VAL          
SEQRES   6 D   99  ALA PHE HIS LYS THR THR PRO HIS TYR LYS THR CYS VAL          
SEQRES   7 D   99  ALA LYS LEU GLU SER LEU MET THR GLY PRO ARG LYS LYS          
SEQRES   8 D   99  ARG LEU PHE ASN GLY LEU MET PRO                              
FORMUL   5  HOH   *288(H2 O)                                                    
HELIX    1   1 HIS A   11  ASP A   13  5                                   3    
HELIX    2   2 LYS A   14  VAL A   30  1                                  17    
HELIX    3   3 ASP A   58  LYS A   66  1                                   9    
HELIX    4   4 THR A   68  GLU A   79  1                                  12    
HELIX    5   5 SER A   80  MET A   82  5                                   3    
HELIX    6   6 HIS B   11  ASP B   13  5                                   3    
HELIX    7   7 LYS B   14  VAL B   30  1                                  17    
HELIX    8   8 ASP B   58  THR B   67  1                                  10    
HELIX    9   9 THR B   68  GLU B   79  1                                  12    
HELIX   10  10 HIS C   11  ASP C   13  5                                   3    
HELIX   11  11 LYS C   14  VAL C   30  1                                  17    
HELIX   12  12 ASP C   58  LYS C   66  1                                   9    
HELIX   13  13 THR C   68  GLU C   79  1                                  12    
HELIX   14  14 HIS D   11  ASP D   13  5                                   3    
HELIX   15  15 LYS D   14  VAL D   30  1                                  17    
HELIX   16  16 ASP D   58  LYS D   66  1                                   9    
HELIX   17  17 THR D   68  GLU D   79  1                                  12    
SHEET    1   A 9 MET A   1  ASN A   9  0                                        
SHEET    2   A 9 ARG A  49  TYR A  56 -1  O  PHE A  50   N  ILE A   8           
SHEET    3   A 9 ASN A  35  GLN A  42 -1  N  LEU A  36   O  ALA A  55           
SHEET    4   A 9 LYS D  87  MET D  95 -1  O  LEU D  94   N  VAL A  40           
SHEET    5   A 9 MET D   1  ASN D   9 -1  N  LEU D   5   O  ARG D  89           
SHEET    6   A 9 ARG D  49  TYR D  56 -1  O  TYR D  56   N  HIS D   2           
SHEET    7   A 9 ASN D  35  GLN D  42 -1  N  LEU D  41   O  TYR D  51           
SHEET    8   A 9 LYS A  87  MET A  95 -1  N  ASN A  92   O  GLN D  42           
SHEET    9   A 9 MET A   1  ASN A   9 -1  N  MET A   1   O  GLY A  93           
SHEET    1   B 9 MET B   1  ASN B   9  0                                        
SHEET    2   B 9 ARG B  49  TYR B  56 -1  O  PHE B  50   N  ILE B   8           
SHEET    3   B 9 ASN B  35  GLN B  42 -1  N  LEU B  36   O  ALA B  55           
SHEET    4   B 9 LYS C  87  MET C  95 -1  O  ASN C  92   N  GLN B  42           
SHEET    5   B 9 MET C   1  ASN C   9 -1  N  MET C   1   O  GLY C  93           
SHEET    6   B 9 ARG C  49  TYR C  56 -1  O  TYR C  56   N  HIS C   2           
SHEET    7   B 9 ASN C  35  GLN C  42 -1  N  LEU C  36   O  ALA C  55           
SHEET    8   B 9 LYS B  87  MET B  95 -1  N  LEU B  94   O  VAL C  40           
SHEET    9   B 9 MET B   1  ASN B   9 -1  N  GLU B   7   O  LYS B  87           
CISPEP   1 MET A   95    PRO A   96          0         0.13                     
CISPEP   2 MET B   95    PRO B   96          0        -0.19                     
CISPEP   3 MET C   95    PRO C   96          0         3.74                     
CISPEP   4 MET D   95    PRO D   96          0        -0.74                     
CRYST1   44.643   83.397   63.595  90.00  89.53  90.00 P 1 21 1      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      0.022400  0.000000 -0.000185        0.00000                         
SCALE2      0.000000  0.011991  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015725        0.00000