HEADER    TRANSCRIPTION                           04-DEC-08   2W53              
TITLE     STRUCTURE OF SMET, THE REPRESSOR OF THE STENOTROPHOMONAS MALTOPHILIA  
TITLE    2 MULTIDRUG EFFLUX PUMP SMEDEF.                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: REPRESSOR;                                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: SMET;                                                       
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 OTHER_DETAILS: IN MONOMER B MOST OF THE N-TERMINAL DOMAIN IS MISSING 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STENOTROPHOMONAS MALTOPHILIA;                   
SOURCE   3 ORGANISM_TAXID: 40324;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: ER2566;                                    
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PAHF1                                     
KEYWDS    ANTIBIOTIC RESISTANCE, MULTI-DRUG EFFLUX PUMP, TRANSCRIPTION          
KEYWDS   2 REGULATION, TRANSCRIPTIONAL REPRESSOR, DNA BINDING, TETR FAMILY,     
KEYWDS   3 DNA-BINDING, TRANSCRIPTION                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.J.MATE,A.ROMERO,A.HERNANDEZ,J.L.MARTINEZ                            
REVDAT   4   08-MAY-24 2W53    1       REMARK                                   
REVDAT   3   13-JUL-11 2W53    1       VERSN                                    
REVDAT   2   26-MAY-09 2W53    1       JRNL                                     
REVDAT   1   07-APR-09 2W53    0                                                
JRNL        AUTH   A.HERNANDEZ,M.J.MATE,P.SANCHEZ,A.ROMERO,F.ROJO,J.L.MARTINEZ  
JRNL        TITL   STRUCTURAL AND FUNCTIONAL ANALYSIS OF SMET, THE REPRESSOR OF 
JRNL        TITL 2 THE STENOTROPHOMONAS MALTOPHILIA MULTIDRUG EFFLUX PUMP       
JRNL        TITL 3 SMEDEF.                                                      
JRNL        REF    J.BIOL.CHEM.                  V. 284 14428 2009              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   19324881                                                     
JRNL        DOI    10.1074/JBC.M809221200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.4.0067                                      
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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.86                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 33278                          
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) : 0.196                           
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.236                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1760                            
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) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.05                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2427                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1960                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 112                          
REMARK   3   BIN FREE R VALUE                    : 0.2590                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2900                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 269                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.42                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.03000                                             
REMARK   3    B22 (A**2) : 0.23000                                              
REMARK   3    B33 (A**2) : -0.22000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.04000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.159         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.152         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.106         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.262         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.946                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.923                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3022 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4083 ; 1.453 ; 1.978       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   388 ; 3.730 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   142 ;35.388 ;22.535       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   549 ;15.114 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    37 ;14.415 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   464 ; 0.103 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2268 ; 0.007 ; 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):  1889 ; 1.549 ; 2.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3015 ; 2.525 ; 3.500       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1133 ; 2.895 ; 3.500       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1058 ; 4.167 ; 4.000       
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 : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     7        A    66                          
REMARK   3    ORIGIN FOR THE GROUP (A):  30.0263  13.7840  39.8005              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2052 T22:  -0.1775                                     
REMARK   3      T33:  -0.2129 T12:   0.0329                                     
REMARK   3      T13:   0.0178 T23:   0.0684                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   8.8865 L22:   5.8961                                     
REMARK   3      L33:   6.9925 L12:   0.3418                                     
REMARK   3      L13:   0.4971 L23:  -2.6569                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2480 S12:   0.4309 S13:   0.4805                       
REMARK   3      S21:  -0.0376 S22:  -0.2118 S23:   0.0249                       
REMARK   3      S31:  -0.1447 S32:  -0.1123 S33:  -0.0362                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    67        A   217                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.8738  20.8109  29.7743              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.1588 T22:  -0.1683                                     
REMARK   3      T33:  -0.2280 T12:  -0.0331                                     
REMARK   3      T13:   0.0285 T23:  -0.0166                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.0430 L22:   3.8603                                     
REMARK   3      L33:   6.0098 L12:   1.1004                                     
REMARK   3      L13:   0.1550 L23:   1.6943                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0537 S12:  -0.3147 S13:  -0.2169                       
REMARK   3      S21:   0.3650 S22:  -0.1771 S23:  -0.1054                       
REMARK   3      S31:   0.5077 S32:  -0.3377 S33:   0.2308                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    13        B    66                          
REMARK   3    ORIGIN FOR THE GROUP (A):  31.6516  12.8246   3.9827              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0619 T22:   0.2167                                     
REMARK   3      T33:   0.3444 T12:   0.0268                                     
REMARK   3      T13:   0.0190 T23:  -0.0958                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  17.9377 L22:  15.4163                                     
REMARK   3      L33:   5.7897 L12: -11.4522                                     
REMARK   3      L13:  -4.5778 L23:   4.4069                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.6759 S12:   0.1744 S13:  -0.0197                       
REMARK   3      S21:   0.5737 S22:   0.4545 S23:  -0.2698                       
REMARK   3      S31:  -0.0272 S32:   0.3152 S33:   0.2214                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    67        B   216                          
REMARK   3    ORIGIN FOR THE GROUP (A):   6.7088  21.9100   7.6377              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2418 T22:  -0.2692                                     
REMARK   3      T33:  -0.2242 T12:  -0.0109                                     
REMARK   3      T13:  -0.0050 T23:  -0.0304                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.7143 L22:   5.8632                                     
REMARK   3      L33:   3.8544 L12:  -1.5593                                     
REMARK   3      L13:   1.0589 L23:  -0.4757                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2008 S12:   0.0913 S13:  -0.0566                       
REMARK   3      S21:  -0.1043 S22:  -0.1037 S23:  -0.4517                       
REMARK   3      S31:   0.1600 S32:   0.4052 S33:  -0.0971                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS.                                                          
REMARK   4                                                                      
REMARK   4 2W53 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-DEC-08.                  
REMARK 100 THE DEPOSITION ID IS D_1290037108.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM14                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.07100                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 35083                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 55.220                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.2                               
REMARK 200  DATA REDUNDANCY                : 7.310                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.1300                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.37                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.19000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.860                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS                        
REMARK 200 SOFTWARE USED: HKL2MAP                                               
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% MME2000, 0.2M LI2SO4, 0.1M TRIS      
REMARK 280  PH8.5                                                               
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       29.29100            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 TOTAL BURIED SURFACE AREA: 3030 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21860 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.1 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED RESIDUE IN CHAIN A, GLN 166 TO LEU                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN B, GLN 166 TO LEU                        
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     ARG A     3                                                      
REMARK 465     LYS A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     LYS A     6                                                      
REMARK 465     ASP A   117                                                      
REMARK 465     ALA A   118                                                      
REMARK 465     SER A   119                                                      
REMARK 465     ALA A   120                                                      
REMARK 465     ASN A   121                                                      
REMARK 465     THR A   122                                                      
REMARK 465     ARG A   123                                                      
REMARK 465     VAL A   124                                                      
REMARK 465     LEU A   125                                                      
REMARK 465     GLU A   218                                                      
REMARK 465     ALA A   219                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     ARG B     3                                                      
REMARK 465     LYS B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     LYS B     6                                                      
REMARK 465     GLU B     7                                                      
REMARK 465     ASP B     8                                                      
REMARK 465     THR B     9                                                      
REMARK 465     GLN B    10                                                      
REMARK 465     ALA B    11                                                      
REMARK 465     THR B    12                                                      
REMARK 465     GLU B    21                                                      
REMARK 465     ALA B    22                                                      
REMARK 465     CYS B    23                                                      
REMARK 465     PHE B    24                                                      
REMARK 465     HIS B    25                                                      
REMARK 465     GLU B    26                                                      
REMARK 465     HIS B    27                                                      
REMARK 465     GLY B    28                                                      
REMARK 465     VAL B    29                                                      
REMARK 465     ALA B    30                                                      
REMARK 465     ARG B    31                                                      
REMARK 465     THR B    32                                                      
REMARK 465     THR B    33                                                      
REMARK 465     LEU B    34                                                      
REMARK 465     ARG B    45                                                      
REMARK 465     GLY B    46                                                      
REMARK 465     ALA B    47                                                      
REMARK 465     VAL B    48                                                      
REMARK 465     TYR B    49                                                      
REMARK 465     TRP B    50                                                      
REMARK 465     HIS B    51                                                      
REMARK 465     PHE B    52                                                      
REMARK 465     LYS B    53                                                      
REMARK 465     ASN B    54                                                      
REMARK 465     LYS B    55                                                      
REMARK 465     ASP B   117                                                      
REMARK 465     ALA B   118                                                      
REMARK 465     SER B   119                                                      
REMARK 465     ALA B   120                                                      
REMARK 465     ASN B   121                                                      
REMARK 465     THR B   122                                                      
REMARK 465     PRO B   217                                                      
REMARK 465     GLU B   218                                                      
REMARK 465     ALA B   219                                                      
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     SER A 116    OG                                                  
REMARK 470     THR A 126    OG1  CG2                                            
REMARK 470     PRO A 217    CG   CD                                             
REMARK 470     ARG B  13    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B  14    CG   CD   OE1  OE2                                  
REMARK 470     MET B  36    CG   SD   CE                                        
REMARK 470     ILE B  37    CG1  CG2  CD1                                       
REMARK 470     ARG B  40    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     THR B  44    OG1  CG2                                            
REMARK 470     SER B  56    OG                                                  
REMARK 470     MET B 113    CG   SD   CE                                        
REMARK 470     LEU B 114    CG   CD1  CD2                                       
REMARK 470     SER B 116    OG                                                  
REMARK 470     ARG B 123    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B 127    CG   CD   OE1  OE2                                  
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   O    HOH A  2004     O    HOH A  2008              2.03            
REMARK 500   OG1  THR B   211     O    HOH B  2129              2.08            
REMARK 500   NH1  ARG A   154     O    ALA A   199              2.10            
REMARK 500   O    HOH A  2079     O    HOH A  2081              2.11            
REMARK 500   O    HOH A  2010     O    HOH A  2047              2.11            
REMARK 500   O    HOH B  2024     O    HOH B  2050              2.17            
REMARK 500   OE2  GLU A    75     NH2  ARG A   142              2.18            
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 A  13   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.4 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    TYR A  43     -146.81   -133.11                                   
REMARK 500    GLU B 180       88.07   -156.25                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2021        DISTANCE =  6.15 ANGSTROMS                       
REMARK 525    HOH B2003        DISTANCE =  6.14 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 1217                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1218                
DBREF  2W53 A    1   219  UNP    Q8KLP4   Q8KLP4_STEMA     1    219             
DBREF  2W53 B    1   219  UNP    Q8KLP4   Q8KLP4_STEMA     1    219             
SEQADV 2W53 LEU A  166  UNP  Q8KLP4    GLN   166 ENGINEERED MUTATION            
SEQADV 2W53 LEU B  166  UNP  Q8KLP4    GLN   166 ENGINEERED MUTATION            
SEQRES   1 A  219  MET ALA ARG LYS THR LYS GLU ASP THR GLN ALA THR ARG          
SEQRES   2 A  219  GLU GLY ILE LEU ASP ALA ALA GLU ALA CYS PHE HIS GLU          
SEQRES   3 A  219  HIS GLY VAL ALA ARG THR THR LEU GLU MET ILE GLY ALA          
SEQRES   4 A  219  ARG ALA GLY TYR THR ARG GLY ALA VAL TYR TRP HIS PHE          
SEQRES   5 A  219  LYS ASN LYS SER GLU VAL LEU ALA ALA ILE VAL GLU ARG          
SEQRES   6 A  219  VAL HIS LEU PRO PHE MET GLN GLU LEU GLU ARG THR SER          
SEQRES   7 A  219  THR ASP GLN ARG ASP THR PRO VAL HIS ASP LEU ARG ALA          
SEQRES   8 A  219  VAL MET ILE HIS SER PHE ILE GLU LEU SER GLU ASP GLU          
SEQRES   9 A  219  ARG LEU ARG LYS THR MET GLU ILE MET LEU ARG SER ASP          
SEQRES  10 A  219  ALA SER ALA ASN THR ARG VAL LEU THR GLU MET GLN GLN          
SEQRES  11 A  219  ALA GLY PHE ARG ASP ALA LEU ASP ARG MET GLU ARG ALA          
SEQRES  12 A  219  LEU ARG ARG ALA ARG ASP LEU GLY GLN LEU ARG GLU GLY          
SEQRES  13 A  219  ALA ASP PRO LYS ILE ALA ALA ARG MET LEU HIS ALA THR          
SEQRES  14 A  219  VAL LEU GLY VAL LEU HIS GLY ALA MET VAL GLU PRO GLU          
SEQRES  15 A  219  LEU MET ASP LEU LYS ARG ASP GLY MET LEU ALA LEU ASP          
SEQRES  16 A  219  MET THR LEU ALA ALA TYR VAL LYS ASP GLY VAL PHE VAL          
SEQRES  17 A  219  PRO GLY THR VAL PRO GLU PRO LEU PRO GLU ALA                  
SEQRES   1 B  219  MET ALA ARG LYS THR LYS GLU ASP THR GLN ALA THR ARG          
SEQRES   2 B  219  GLU GLY ILE LEU ASP ALA ALA GLU ALA CYS PHE HIS GLU          
SEQRES   3 B  219  HIS GLY VAL ALA ARG THR THR LEU GLU MET ILE GLY ALA          
SEQRES   4 B  219  ARG ALA GLY TYR THR ARG GLY ALA VAL TYR TRP HIS PHE          
SEQRES   5 B  219  LYS ASN LYS SER GLU VAL LEU ALA ALA ILE VAL GLU ARG          
SEQRES   6 B  219  VAL HIS LEU PRO PHE MET GLN GLU LEU GLU ARG THR SER          
SEQRES   7 B  219  THR ASP GLN ARG ASP THR PRO VAL HIS ASP LEU ARG ALA          
SEQRES   8 B  219  VAL MET ILE HIS SER PHE ILE GLU LEU SER GLU ASP GLU          
SEQRES   9 B  219  ARG LEU ARG LYS THR MET GLU ILE MET LEU ARG SER ASP          
SEQRES  10 B  219  ALA SER ALA ASN THR ARG VAL LEU THR GLU MET GLN GLN          
SEQRES  11 B  219  ALA GLY PHE ARG ASP ALA LEU ASP ARG MET GLU ARG ALA          
SEQRES  12 B  219  LEU ARG ARG ALA ARG ASP LEU GLY GLN LEU ARG GLU GLY          
SEQRES  13 B  219  ALA ASP PRO LYS ILE ALA ALA ARG MET LEU HIS ALA THR          
SEQRES  14 B  219  VAL LEU GLY VAL LEU HIS GLY ALA MET VAL GLU PRO GLU          
SEQRES  15 B  219  LEU MET ASP LEU LYS ARG ASP GLY MET LEU ALA LEU ASP          
SEQRES  16 B  219  MET THR LEU ALA ALA TYR VAL LYS ASP GLY VAL PHE VAL          
SEQRES  17 B  219  PRO GLY THR VAL PRO GLU PRO LEU PRO GLU ALA                  
HET    SO4  A1218       5                                                       
HET    SO4  B1217       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  HOH   *269(H2 O)                                                    
HELIX    1   1 GLU A    7  ALA A   11  5                                   5    
HELIX    2   2 THR A   12  GLY A   28  1                                  17    
HELIX    3   3 THR A   33  GLY A   42  1                                  10    
HELIX    4   4 THR A   44  TRP A   50  1                                   7    
HELIX    5   5 ASN A   54  THR A   77  1                                  24    
HELIX    6   6 THR A   84  ASP A  103  1                                  20    
HELIX    7   7 ASP A  103  ARG A  115  1                                  13    
HELIX    8   8 THR A  126  LEU A  150  1                                  25    
HELIX    9   9 ASP A  158  GLU A  180  1                                  23    
HELIX   10  10 ASP A  185  VAL A  202  1                                  18    
HELIX   11  11 ARG B   13  ALA B   20  1                                   8    
HELIX   12  12 MET B   36  GLY B   42  1                                   7    
HELIX   13  13 SER B   56  THR B   77  1                                  22    
HELIX   14  14 THR B   84  ASP B  103  1                                  20    
HELIX   15  15 ASP B  103  LEU B  114  1                                  12    
HELIX   16  16 ARG B  123  LEU B  150  1                                  28    
HELIX   17  17 ASP B  158  GLU B  180  1                                  23    
HELIX   18  18 ASP B  185  VAL B  202  1                                  18    
SITE     1 AC1  4 ARG B 154  GLU B 155  LYS B 203  HOH B2134                    
SITE     1 AC2  3 ARG A 154  GLU A 155  LYS A 203                               
CRYST1   56.703   58.582   83.260  90.00 103.14  90.00 P 1 21 1      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      0.017636  0.000000  0.004117        0.00000                         
SCALE2      0.000000  0.017070  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012333        0.00000