HEADER    PROTEIN TRANSPORT                       20-AUG-09   3IQM              
TITLE     ACTIVE SITE MUTANTS OF B. SUBTILIS SECA                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN TRANSLOCASE SUBUNIT SECA;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 1-802;                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS SUBSP. SUBTILIS;              
SOURCE   3 ORGANISM_TAXID: 224308;                                              
SOURCE   4 STRAIN: 168;                                                         
SOURCE   5 GENE: BSU35300, DIV+, SECA;                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28                                     
KEYWDS    ALPHA-BETA PROTEIN, ATP-BINDING, CELL MEMBRANE, MEMBRANE, METAL-      
KEYWDS   2 BINDING, NUCLEOTIDE-BINDING, PROTEIN TRANSPORT, TRANSLOCATION,       
KEYWDS   3 TRANSPORT                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.KIM,J.F.HUNT                                                        
REVDAT   6   06-SEP-23 3IQM    1       REMARK                                   
REVDAT   5   13-OCT-21 3IQM    1       REMARK SEQADV                            
REVDAT   4   03-APR-13 3IQM    1       JRNL                                     
REVDAT   3   06-MAR-13 3IQM    1       JRNL                                     
REVDAT   2   13-JUL-11 3IQM    1       VERSN                                    
REVDAT   1   11-AUG-10 3IQM    0                                                
JRNL        AUTH   D.M.KIM,H.ZHENG,Y.J.HUANG,G.T.MONTELIONE,J.F.HUNT            
JRNL        TITL   ATPASE ACTIVE-SITE ELECTROSTATIC INTERACTIONS CONTROL THE    
JRNL        TITL 2 GLOBAL CONFORMATION OF THE 100 KDA SECA TRANSLOCASE.         
JRNL        REF    J.AM.CHEM.SOC.                V. 135  2999 2013              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   23167435                                                     
JRNL        DOI    10.1021/JA306361Q                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.2                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.98                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 161243.400                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 79.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 16394                          
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 SET) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.267                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 790                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.010                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.52                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 58.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1154                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2910                       
REMARK   3   BIN FREE R VALUE                    : 0.3550                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.10                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 49                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.051                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6401                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 55                                      
REMARK   3   SOLVENT ATOMS            : 39                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 84.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 105.2                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -10.29000                                            
REMARK   3    B22 (A**2) : -10.29000                                            
REMARK   3    B33 (A**2) : 20.58000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.51                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.44                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.63                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.810                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 73.56                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3IQM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-AUG-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000054742.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-APR-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
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) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9805                             
REMARK 200  MONOCHROMATOR                  : SI(111) CHANNEL                    
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19343                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.07400                            
REMARK 200  R SYM                      (I) : 0.04700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.9200                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.52                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43900                            
REMARK 200  R SYM FOR SHELL            (I) : 0.40400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1M6N                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 70.13                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20 MM BES PH 7.0, 2.12 M AMMONIUM        
REMARK 280  SULFATE, 31% GLYCEROL, VAPOR DIFFUSION, HANGING DROP,               
REMARK 280  TEMPERATURE 299K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 1 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -Y,-X,-Z+2/3                                            
REMARK 290       5555   -X+Y,Y,-Z+1/3                                           
REMARK 290       6555   X,X-Y,-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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       51.31600            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      102.63200            
REMARK 290   SMTRY1   4  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000      102.63200            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       51.31600            
REMARK 290   SMTRY1   6  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  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 300 REMARK: AUTHORS STATE THAT THE ASSEMBLY OF THE BIOLOGICAL UNIT THAT  
REMARK 300 IS SHOWN IN REMARK 350 IS PUTATIVE AT THE TIME OF DEPOSITION.        
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: 5380 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 71310 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.8 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
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    LEU A   5       41.46    -82.40                                   
REMARK 500    ARG A  18      -73.48    -70.51                                   
REMARK 500    GLU A  53        3.58    -67.54                                   
REMARK 500    PRO A  81      151.12    -36.53                                   
REMARK 500    LYS A 101      129.73    -36.64                                   
REMARK 500    THR A 102      107.24    -52.76                                   
REMARK 500    GLU A 104     -145.33    -79.29                                   
REMARK 500    LEU A 119       39.17    -79.95                                   
REMARK 500    THR A 120       18.20   -155.27                                   
REMARK 500    SER A 135      -80.08    -63.04                                   
REMARK 500    ARG A 136      -58.26    -28.42                                   
REMARK 500    ASN A 157       -8.72    -58.28                                   
REMARK 500    LYS A 161        3.47    -63.27                                   
REMARK 500    ALA A 170      152.49    -35.97                                   
REMARK 500    LYS A 193      -54.85    -29.27                                   
REMARK 500    GLU A 194       -9.39    -59.55                                   
REMARK 500    HIS A 202      -70.79   -104.44                                   
REMARK 500    GLN A 208       41.06     71.33                                   
REMARK 500    ILE A 214      -82.94   -104.87                                   
REMARK 500    ASP A 215      -75.99    -42.72                                   
REMARK 500    GLU A 216       -3.27    -54.53                                   
REMARK 500    GLN A 226      155.75    -46.88                                   
REMARK 500    ALA A 228      154.33    -45.83                                   
REMARK 500    SER A 230       44.91    -66.95                                   
REMARK 500    ARG A 242        2.74    -59.63                                   
REMARK 500    LYS A 245      110.36    -33.45                                   
REMARK 500    ALA A 246     -177.68   -178.84                                   
REMARK 500    GLU A 247       32.55    -97.01                                   
REMARK 500    VAL A 259      169.26    -39.34                                   
REMARK 500    LEU A 261      -64.86   -156.13                                   
REMARK 500    GLU A 263       59.55    -98.64                                   
REMARK 500    PHE A 273       89.57   -168.79                                   
REMARK 500    ILE A 275       80.28    -61.16                                   
REMARK 500    PHE A 279      -89.69   -116.47                                   
REMARK 500    ASP A 280      -61.47    -10.40                                   
REMARK 500    VAL A 281      -76.91    -61.51                                   
REMARK 500    LEU A 286      -72.22    -84.57                                   
REMARK 500    LYS A 302     -113.96    -71.08                                   
REMARK 500    ASP A 303       36.54    -54.22                                   
REMARK 500    VAL A 304      -48.53   -134.14                                   
REMARK 500    ASP A 310        5.78    -67.80                                   
REMARK 500    VAL A 313       97.51    -65.05                                   
REMARK 500    PHE A 319      -88.98    -52.25                                   
REMARK 500    GLU A 348     -158.25   -126.21                                   
REMARK 500    PHE A 361        5.88    -57.59                                   
REMARK 500    ALA A 374      -39.40   -136.21                                   
REMARK 500    GLU A 377       48.76    -97.73                                   
REMARK 500    ARG A 382      -39.78    -38.36                                   
REMARK 500    ASN A 386       29.27     46.20                                   
REMARK 500    PRO A 393      171.93    -52.67                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      93 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 902                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 903                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 904                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 905                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 906                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 907                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 908                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 909                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 910                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 911                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3IQY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF BACILLUS SUBTILIS SECA DOUBLE MUTANT (E208Q,    
REMARK 900 R489K)                                                               
DBREF  3IQM A    1   802  UNP    P28366   SECA_BACSU       1    802             
SEQADV 3IQM GLN A  208  UNP  P28366    GLU   208 ENGINEERED MUTATION            
SEQRES   1 A  802  MET LEU GLY ILE LEU ASN LYS MET PHE ASP PRO THR LYS          
SEQRES   2 A  802  ARG THR LEU ASN ARG TYR GLU LYS ILE ALA ASN ASP ILE          
SEQRES   3 A  802  ASP ALA ILE ARG GLY ASP TYR GLU ASN LEU SER ASP ASP          
SEQRES   4 A  802  ALA LEU LYS HIS LYS THR ILE GLU PHE LYS GLU ARG LEU          
SEQRES   5 A  802  GLU LYS GLY ALA THR THR ASP ASP LEU LEU VAL GLU ALA          
SEQRES   6 A  802  PHE ALA VAL VAL ARG GLU ALA SER ARG ARG VAL THR GLY          
SEQRES   7 A  802  MET PHE PRO PHE LYS VAL GLN LEU MET GLY GLY VAL ALA          
SEQRES   8 A  802  LEU HIS ASP GLY ASN ILE ALA GLU MET LYS THR GLY GLU          
SEQRES   9 A  802  GLY LYS THR LEU THR SER THR LEU PRO VAL TYR LEU ASN          
SEQRES  10 A  802  ALA LEU THR GLY LYS GLY VAL HIS VAL VAL THR VAL ASN          
SEQRES  11 A  802  GLU TYR LEU ALA SER ARG ASP ALA GLU GLN MET GLY LYS          
SEQRES  12 A  802  ILE PHE GLU PHE LEU GLY LEU THR VAL GLY LEU ASN LEU          
SEQRES  13 A  802  ASN SER MET SER LYS ASP GLU LYS ARG GLU ALA TYR ALA          
SEQRES  14 A  802  ALA ASP ILE THR TYR SER THR ASN ASN GLU LEU GLY PHE          
SEQRES  15 A  802  ASP TYR LEU ARG ASP ASN MET VAL LEU TYR LYS GLU GLN          
SEQRES  16 A  802  MET VAL GLN ARG PRO LEU HIS PHE ALA VAL ILE ASP GLN          
SEQRES  17 A  802  VAL ASP SER ILE LEU ILE ASP GLU ALA ARG THR PRO LEU          
SEQRES  18 A  802  ILE ILE SER GLY GLN ALA ALA LYS SER THR LYS LEU TYR          
SEQRES  19 A  802  VAL GLN ALA ASN ALA PHE VAL ARG THR LEU LYS ALA GLU          
SEQRES  20 A  802  LYS ASP TYR THR TYR ASP ILE LYS THR LYS ALA VAL GLN          
SEQRES  21 A  802  LEU THR GLU GLU GLY MET THR LYS ALA GLU LYS ALA PHE          
SEQRES  22 A  802  GLY ILE ASP ASN LEU PHE ASP VAL LYS HIS VAL ALA LEU          
SEQRES  23 A  802  ASN HIS HIS ILE ASN GLN ALA LEU LYS ALA HIS VAL ALA          
SEQRES  24 A  802  MET GLN LYS ASP VAL ASP TYR VAL VAL GLU ASP GLY GLN          
SEQRES  25 A  802  VAL VAL ILE VAL ASP SER PHE THR GLY ARG LEU MET LYS          
SEQRES  26 A  802  GLY ARG ARG TYR SER GLU GLY LEU HIS GLN ALA ILE GLU          
SEQRES  27 A  802  ALA LYS GLU GLY LEU GLU ILE GLN ASN GLU SER MET THR          
SEQRES  28 A  802  LEU ALA THR ILE THR PHE GLN ASN TYR PHE ARG MET TYR          
SEQRES  29 A  802  GLU LYS LEU ALA GLY MET THR GLY THR ALA LYS THR GLU          
SEQRES  30 A  802  GLU GLU GLU PHE ARG ASN ILE TYR ASN MET GLN VAL VAL          
SEQRES  31 A  802  THR ILE PRO THR ASN ARG PRO VAL VAL ARG ASP ASP ARG          
SEQRES  32 A  802  PRO ASP LEU ILE TYR ARG THR MET GLU GLY LYS PHE LYS          
SEQRES  33 A  802  ALA VAL ALA GLU ASP VAL ALA GLN ARG TYR MET THR GLY          
SEQRES  34 A  802  GLN PRO VAL LEU VAL GLY THR VAL ALA VAL GLU THR SER          
SEQRES  35 A  802  GLU LEU ILE SER LYS LEU LEU LYS ASN LYS GLY ILE PRO          
SEQRES  36 A  802  HIS GLN VAL LEU ASN ALA LYS ASN HIS GLU ARG GLU ALA          
SEQRES  37 A  802  GLN ILE ILE GLU GLU ALA GLY GLN LYS GLY ALA VAL THR          
SEQRES  38 A  802  ILE ALA THR ASN MET ALA GLY ARG GLY THR ASP ILE LYS          
SEQRES  39 A  802  LEU GLY GLU GLY VAL LYS GLU LEU GLY GLY LEU ALA VAL          
SEQRES  40 A  802  VAL GLY THR GLU ARG HIS GLU SER ARG ARG ILE ASP ASN          
SEQRES  41 A  802  GLN LEU ARG GLY ARG SER GLY ARG GLN GLY ASP PRO GLY          
SEQRES  42 A  802  ILE THR GLN PHE TYR LEU SER MET GLU ASP GLU LEU MET          
SEQRES  43 A  802  ARG ARG PHE GLY ALA GLU ARG THR MET ALA MET LEU ASP          
SEQRES  44 A  802  ARG PHE GLY MET ASP ASP SER THR PRO ILE GLN SER LYS          
SEQRES  45 A  802  MET VAL SER ARG ALA VAL GLU SER SER GLN LYS ARG VAL          
SEQRES  46 A  802  GLU GLY ASN ASN PHE ASP SER ARG LYS GLN LEU LEU GLN          
SEQRES  47 A  802  TYR ASP ASP VAL LEU ARG GLN GLN ARG GLU VAL ILE TYR          
SEQRES  48 A  802  LYS GLN ARG PHE GLU VAL ILE ASP SER GLU ASN LEU ARG          
SEQRES  49 A  802  GLU ILE VAL GLU ASN MET ILE LYS SER SER LEU GLU ARG          
SEQRES  50 A  802  ALA ILE ALA ALA TYR THR PRO ARG GLU GLU LEU PRO GLU          
SEQRES  51 A  802  GLU TRP LYS LEU ASP GLY LEU VAL ASP LEU ILE ASN THR          
SEQRES  52 A  802  THR TYR LEU ASP GLU GLY ALA LEU GLU LYS SER ASP ILE          
SEQRES  53 A  802  PHE GLY LYS GLU PRO ASP GLU MET LEU GLU LEU ILE MET          
SEQRES  54 A  802  ASP ARG ILE ILE THR LYS TYR ASN GLU LYS GLU GLU GLN          
SEQRES  55 A  802  PHE GLY LYS GLU GLN MET ARG GLU PHE GLU LYS VAL ILE          
SEQRES  56 A  802  VAL LEU ARG ALA VAL ASP SER LYS TRP MET ASP HIS ILE          
SEQRES  57 A  802  ASP ALA MET ASP GLN LEU ARG GLN GLY ILE HIS LEU ARG          
SEQRES  58 A  802  ALA TYR ALA GLN THR ASN PRO LEU ARG GLU TYR GLN MET          
SEQRES  59 A  802  GLU GLY PHE ALA MET PHE GLU HIS MET ILE GLU SER ILE          
SEQRES  60 A  802  GLU ASP GLU VAL ALA LYS PHE VAL MET LYS ALA GLU ILE          
SEQRES  61 A  802  GLU ASN ASN LEU GLU ARG GLU GLU VAL VAL GLN GLY GLN          
SEQRES  62 A  802  THR THR ALA HIS GLN PRO GLN GLU GLY                          
HET    SO4  A 901       5                                                       
HET    SO4  A 902       5                                                       
HET    SO4  A 903       5                                                       
HET    SO4  A 904       5                                                       
HET    SO4  A 905       5                                                       
HET    SO4  A 906       5                                                       
HET    SO4  A 907       5                                                       
HET    SO4  A 908       5                                                       
HET    SO4  A 909       5                                                       
HET    SO4  A 910       5                                                       
HET    SO4  A 911       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2  SO4    11(O4 S 2-)                                                  
FORMUL  13  HOH   *39(H2 O)                                                     
HELIX    1   1 GLY A    3  LYS A    7  5                                   5    
HELIX    2   2 PHE A    9  ILE A   29  1                                  21    
HELIX    3   3 SER A   37  GLU A   53  1                                  17    
HELIX    4   4 THR A   57  ASP A   60  5                                   4    
HELIX    5   5 LEU A   61  THR A   77  1                                  17    
HELIX    6   6 PHE A   82  GLY A   95  1                                  14    
HELIX    7   7 GLY A  105  SER A  110  1                                   6    
HELIX    8   8 SER A  110  LEU A  119  1                                  10    
HELIX    9   9 ASN A  130  MET A  141  1                                  12    
HELIX   10  10 MET A  141  LEU A  148  1                                   8    
HELIX   11  11 ASP A  162  ALA A  170  1                                   9    
HELIX   12  12 ASN A  177  ASP A  187  1                                  11    
HELIX   13  13 TYR A  192  MET A  196  5                                   5    
HELIX   14  14 GLN A  208  ILE A  214  1                                   7    
HELIX   15  15 ASP A  215  ARG A  218  5                                   4    
HELIX   16  16 LYS A  232  ARG A  242  1                                  11    
HELIX   17  17 GLU A  263  LYS A  268  1                                   6    
HELIX   18  18 ALA A  269  ALA A  272  5                                   4    
HELIX   19  19 PHE A  279  ALA A  299  1                                  21    
HELIX   20  20 GLN A  301  ASP A  305  1                                   5    
HELIX   21  21 LEU A  333  GLU A  341  1                                   9    
HELIX   22  22 THR A  356  PHE A  361  1                                   6    
HELIX   23  23 GLU A  377  ASN A  386  1                                  10    
HELIX   24  24 THR A  410  THR A  428  1                                  19    
HELIX   25  25 ALA A  438  ASN A  451  1                                  14    
HELIX   26  26 ASN A  463  GLU A  473  1                                  11    
HELIX   27  27 GLY A  498  GLY A  503  1                                   6    
HELIX   28  28 SER A  515  GLY A  524  1                                  10    
HELIX   29  29 ARG A  525  SER A  526  5                                   2    
HELIX   30  30 GLY A  527  ASP A  531  5                                   5    
HELIX   31  31 ASP A  543  GLY A  550  1                                   8    
HELIX   32  32 ALA A  551  ARG A  560  1                                  10    
HELIX   33  33 GLY A  562  SER A  566  5                                   5    
HELIX   34  34 SER A  571  ASP A  619  1                                  49    
HELIX   35  35 LEU A  623  TYR A  642  1                                  20    
HELIX   36  36 LYS A  653  THR A  663  1                                  11    
HELIX   37  37 GLU A  672  PHE A  677  1                                   6    
HELIX   38  38 GLU A  680  PHE A  703  1                                  24    
HELIX   39  39 GLU A  706  HIS A  739  1                                  34    
HELIX   40  40 ASN A  747  ALA A  778  1                                  32    
SHEET    1   A 7 VAL A 152  LEU A 154  0                                        
SHEET    2   A 7 ILE A 172  THR A 176  1  O  TYR A 174   N  GLY A 153           
SHEET    3   A 7 VAL A 124  THR A 128  1  N  THR A 128   O  SER A 175           
SHEET    4   A 7 PHE A 203  ASP A 207  1  O  VAL A 205   N  HIS A 125           
SHEET    5   A 7 LYS A 366  THR A 371  1  O  ALA A 368   N  ILE A 206           
SHEET    6   A 7 ILE A  97  MET A 100  1  N  ALA A  98   O  GLY A 369           
SHEET    7   A 7 VAL A 389  ILE A 392  1  O  ILE A 392   N  GLU A  99           
SHEET    1   B 3 THR A 351  ILE A 355  0                                        
SHEET    2   B 3 LEU A 221  SER A 224 -1  N  ILE A 223   O  LEU A 352           
SHEET    3   B 3 THR A 795  HIS A 797 -1  O  THR A 795   N  SER A 224           
SHEET    1   C 2 TYR A 306  VAL A 307  0                                        
SHEET    2   C 2 VAL A 314  ILE A 315 -1  O  VAL A 314   N  VAL A 307           
SHEET    1   D 3 ASP A 401  ASP A 402  0                                        
SHEET    2   D 3 GLY A 533  SER A 540  1  O  GLY A 533   N  ASP A 401           
SHEET    3   D 3 LEU A 406  TYR A 408  1  N  TYR A 408   O  LEU A 539           
SHEET    1   E 6 ASP A 401  ASP A 402  0                                        
SHEET    2   E 6 GLY A 533  SER A 540  1  O  GLY A 533   N  ASP A 401           
SHEET    3   E 6 LEU A 505  GLY A 509  1  N  GLY A 509   O  TYR A 538           
SHEET    4   E 6 VAL A 432  GLY A 435  1  N  LEU A 433   O  VAL A 508           
SHEET    5   E 6 THR A 481  ALA A 483  1  O  THR A 481   N  VAL A 432           
SHEET    6   E 6 GLN A 457  VAL A 458  1  N  GLN A 457   O  ILE A 482           
SITE     1 AC1  5 GLY A 103  GLU A 104  GLY A 105  LYS A 106                    
SITE     2 AC1  5 SO4 A 902                                                     
SITE     1 AC2  6 THR A 102  LYS A 106  GLY A 372  ARG A 489                    
SITE     2 AC2  6 ARG A 525  SO4 A 901                                          
SITE     1 AC3  5 THR A  58  THR A 120  LYS A 122  HIS A 202                    
SITE     2 AC3  5 HOH A 957                                                     
SITE     1 AC4  5 ASN A 130  GLU A 131  TYR A 132  HIS A 464                    
SITE     2 AC4  5 HOH A 970                                                     
SITE     1 AC5  4 ARG A 362  LEU A 597  ASP A 601  SO4 A 909                    
SITE     1 AC6  4 TYR A 408  ARG A 409  THR A 410  THR A 567                    
SITE     1 AC7  2 SER A 160  LYS A 161                                          
SITE     1 AC8  4 GLN A 312  GLY A 326  ARG A 327  ARG A 328                    
SITE     1 AC9  3 ASN A 383  LYS A 594  SO4 A 905                               
SITE     1 BC1  4 ARG A  18  ASP A  59  VAL A  90  ASP A  94                    
SITE     1 BC2  5 HIS A  43  ILE A 618  SER A 620  LYS A 713                    
SITE     2 BC2  5 ARG A 786                                                     
CRYST1  130.136  130.136  153.948  90.00  90.00 120.00 P 31 1 2      6          
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      0.007684  0.004437  0.000000        0.00000                         
SCALE2      0.000000  0.008873  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006496        0.00000