HEADER    HYDROLASE                               01-APR-20   6YIR              
TITLE     CRYSTAL STRUCTURE OF BACILLUS SUBTILIS MSMX ATPASE                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: OLIGOSACCHARIDES IMPORT ATP-BINDING PROTEIN MSMX;          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: MALTODEXTRIN IMPORT ATP-BINDING PROTEIN MSMX,               
COMPND   5 MELIBIOSE/RAFFINOSE/STACHYOSE IMPORT ATP-BINDING PROTEIN MSMX;       
COMPND   6 EC: 7.5.2.-;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS (STRAIN 168);                 
SOURCE   3 ORGANISM_TAXID: 224308;                                              
SOURCE   4 STRAIN: 168;                                                         
SOURCE   5 GENE: MSMX, YXKG, BSU38810;                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ATPASE, POLYSACCHARIDE IMPORT, MULTITASK, HYDROLASE                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.LEISICO,T.SANTOS-SILVA,M.J.ROMAO                                    
REVDAT   3   24-JAN-24 6YIR    1       SHEET                                    
REVDAT   2   25-NOV-20 6YIR    1       JRNL                                     
REVDAT   1   18-NOV-20 6YIR    0                                                
JRNL        AUTH   F.LEISICO,L.M.GODINHO,I.C.GONCALVES,S.P.SILVA,B.CARNEIRO,    
JRNL        AUTH 2 M.J.ROMAO,T.SANTOS-SILVA,I.DE SA-NOGUEIRA                    
JRNL        TITL   MULTITASK ATPASES (NBDS) OF BACTERIAL ABC IMPORTERS TYPE I   
JRNL        TITL 2 AND THEIR INTERSPECIES EXCHANGEABILITY.                      
JRNL        REF    SCI REP                       V.  10 19564 2020              
JRNL        REFN                   ESSN 2045-2322                               
JRNL        PMID   33177617                                                     
JRNL        DOI    10.1038/S41598-020-76444-0                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.68 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0135                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.68                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.97                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 65.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 38380                          
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) : 0.200                           
REMARK   3   R VALUE            (WORKING SET) : 0.197                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2135                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.68                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.72                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 94                           
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 2.30                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3050                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 9                            
REMARK   3   BIN FREE R VALUE                    : 0.2750                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2912                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 257                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.44                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.138         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.143         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.094         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.926         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.940                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3032 ; 0.020 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  3021 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4083 ; 1.956 ; 1.975       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6959 ; 1.032 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   379 ; 6.887 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   142 ;35.990 ;23.944       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   580 ;15.120 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    24 ;21.554 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   454 ; 0.129 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3389 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   679 ; 0.001 ; 0.020       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
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 U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 6YIR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-APR-20.                  
REMARK 100 THE DEPOSITION ID IS D_1292106886.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-MAR-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID23-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9919                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : STARANISO, AIMLESS                 
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 41647                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.670                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.930                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.0                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.67                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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                                                
REMARK 200 STARTING MODEL: 1V43, 1Q12                                           
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.39                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.19                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM AMMONIUM SULFATE, 100 MM HEPES    
REMARK 280  PH 7.5 AND 30% (W/V) POLYETHYLENE GLYCOL 400, VAPOR DIFFUSION,      
REMARK 280  SITTING DROP, TEMPERATURE 293K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       43.37900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       47.12350            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       66.13150            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       43.37900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       47.12350            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       66.13150            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       43.37900            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       47.12350            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       66.13150            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       43.37900            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       47.12350            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       66.13150            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 520 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 18180 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 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 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     HIS A   368                                                      
REMARK 465     HIS A   369                                                      
REMARK 465     HIS A   370                                                      
REMARK 465     HIS A   371                                                      
REMARK 465     HIS A   372                                                      
REMARK 465     HIS A   373                                                      
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   704     O    HOH A   745              2.07            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   756     O    HOH A   756     4555     2.15            
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    GLU A 311   CD    GLU A 311   OE1     0.076                       
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    ASP A  95   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ARG A 114   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    LEU A 135   CB  -  CG  -  CD1 ANGL. DEV. =  10.5 DEGREES          
REMARK 500    ARG A 365   NE  -  CZ  -  NH1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ARG A 365   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 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  13     -130.76   -108.15                                   
REMARK 500    LYS A  30       -2.01     78.98                                   
REMARK 500    SER A  39      136.47    -38.93                                   
REMARK 500    ASP A 249       96.54    -69.87                                   
REMARK 500    SER A 321     -155.94   -151.74                                   
REMARK 500    ASP A 324     -115.91     52.19                                   
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 A 756        DISTANCE =  6.63 ANGSTROMS                       
REMARK 525    HOH A 757        DISTANCE =  7.20 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 A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue PGE A 402                 
DBREF  6YIR A    1   365  UNP    P94360   MSMX_BACSU       1    365             
SEQADV 6YIR ALA A   43  UNP  P94360    LYS    43 ENGINEERED MUTATION            
SEQADV 6YIR LEU A  366  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR GLU A  367  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR HIS A  368  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR HIS A  369  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR HIS A  370  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR HIS A  371  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR HIS A  372  UNP  P94360              EXPRESSION TAG                 
SEQADV 6YIR HIS A  373  UNP  P94360              EXPRESSION TAG                 
SEQRES   1 A  373  MET ALA GLU LEU ARG MET GLU HIS ILE TYR LYS PHE TYR          
SEQRES   2 A  373  ASP GLN LYS GLU PRO ALA VAL ASP ASP PHE ASN LEU HIS          
SEQRES   3 A  373  ILE ALA ASP LYS GLU PHE ILE VAL PHE VAL GLY PRO SER          
SEQRES   4 A  373  GLY CYS GLY ALA SER THR THR LEU ARG MET VAL ALA GLY          
SEQRES   5 A  373  LEU GLU GLU ILE SER LYS GLY ASP PHE TYR ILE GLU GLY          
SEQRES   6 A  373  LYS ARG VAL ASN ASP VAL ALA PRO LYS ASP ARG ASP ILE          
SEQRES   7 A  373  ALA MET VAL PHE GLN ASN TYR ALA LEU TYR PRO HIS MET          
SEQRES   8 A  373  THR VAL TYR ASP ASN ILE ALA PHE GLY LEU LYS LEU ARG          
SEQRES   9 A  373  LYS MET PRO LYS PRO GLU ILE LYS LYS ARG VAL GLU GLU          
SEQRES  10 A  373  ALA ALA LYS ILE LEU GLY LEU GLU GLU TYR LEU HIS ARG          
SEQRES  11 A  373  LYS PRO LYS ALA LEU SER GLY GLY GLN ARG GLN ARG VAL          
SEQRES  12 A  373  ALA LEU GLY ARG ALA ILE VAL ARG ASP ALA LYS VAL PHE          
SEQRES  13 A  373  LEU MET ASP GLU PRO LEU SER ASN LEU ASP ALA LYS LEU          
SEQRES  14 A  373  ARG VAL GLN MET ARG ALA GLU ILE ILE LYS LEU HIS GLN          
SEQRES  15 A  373  ARG LEU GLN THR THR THR ILE TYR VAL THR HIS ASP GLN          
SEQRES  16 A  373  THR GLU ALA LEU THR MET ALA THR ARG ILE VAL VAL MET          
SEQRES  17 A  373  LYS ASP GLY LYS ILE GLN GLN ILE GLY THR PRO LYS ASP          
SEQRES  18 A  373  VAL TYR GLU PHE PRO GLU ASN VAL PHE VAL GLY GLY PHE          
SEQRES  19 A  373  ILE GLY SER PRO ALA MET ASN PHE PHE LYS GLY LYS LEU          
SEQRES  20 A  373  THR ASP GLY LEU ILE LYS ILE GLY SER ALA ALA LEU THR          
SEQRES  21 A  373  VAL PRO GLU GLY LYS MET LYS VAL LEU ARG GLU LYS GLY          
SEQRES  22 A  373  TYR ILE GLY LYS GLU VAL ILE PHE GLY ILE ARG PRO GLU          
SEQRES  23 A  373  ASP ILE HIS ASP GLU LEU ILE VAL VAL GLU SER TYR LYS          
SEQRES  24 A  373  ASN SER SER ILE LYS ALA LYS ILE ASN VAL ALA GLU LEU          
SEQRES  25 A  373  LEU GLY SER GLU ILE MET ILE TYR SER GLN ILE ASP ASN          
SEQRES  26 A  373  GLN ASP PHE ILE ALA ARG ILE ASP ALA ARG LEU ASP ILE          
SEQRES  27 A  373  GLN SER GLY ASP GLU LEU THR VAL ALA PHE ASP MET ASN          
SEQRES  28 A  373  LYS GLY HIS PHE PHE ASP SER GLU THR GLU VAL ARG ILE          
SEQRES  29 A  373  ARG LEU GLU HIS HIS HIS HIS HIS HIS                          
HET    SO4  A 401       5                                                       
HET    PGE  A 402      10                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     PGE TRIETHYLENE GLYCOL                                               
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  PGE    C6 H14 O4                                                    
FORMUL   4  HOH   *257(H2 O)                                                    
HELIX    1   1 ALA A   43  ALA A   51  1                                   9    
HELIX    2   2 VAL A   93  ARG A  104  1                                  12    
HELIX    3   3 LYS A  108  LEU A  122  1                                  15    
HELIX    4   4 GLY A  137  ARG A  151  1                                  15    
HELIX    5   5 ALA A  167  LEU A  184  1                                  18    
HELIX    6   6 GLN A  195  MET A  201  1                                   7    
HELIX    7   7 PRO A  219  GLU A  224  1                                   6    
HELIX    8   8 VAL A  229  PHE A  234  1                                   6    
HELIX    9   9 GLU A  263  LYS A  272  1                                  10    
HELIX   10  10 PRO A   73  ASP A   75  1                                   3    
HELIX   11  11 PRO A  132  ALA A  134  1                                   3    
HELIX   12  12 PRO A  285  ASP A  287  1                                   3    
HELIX   13  13 MET A  350  LYS A  352  1                                   3    
SHEET    1   A21 LEU A   4  LYS A  11  0                                        
SHEET    2   A21 VAL A  20  ILE A  27  0                                        
SHEET    3   A21 PHE A  32  VAL A  36  0                                        
SHEET    4   A21 ASP A  60  ILE A  63  0                                        
SHEET    5   A21 LYS A  66  ARG A  67  0                                        
SHEET    6   A21 ILE A  78  MET A  80  0                                        
SHEET    7   A21 VAL A 155  ASP A 159  0                                        
SHEET    8   A21 THR A 188  THR A 192  0                                        
SHEET    9   A21 ARG A 204  LYS A 209  0                                        
SHEET   10   A21 LYS A 212  GLY A 217  0                                        
SHEET   11   A21 ASN A 241  THR A 248  0                                        
SHEET   12   A21 LEU A 251  ILE A 254  0                                        
SHEET   13   A21 ALA A 257  THR A 260  0                                        
SHEET   14   A21 LYS A 277  ILE A 283  0                                        
SHEET   15   A21 ILE A 288  ASP A 290  0                                        
SHEET   16   A21 SER A 302  ILE A 307  0                                        
SHEET   17   A21 VAL A 309  LEU A 313  0                                        
SHEET   18   A21 GLU A 316  ILE A 323  0                                        
SHEET   19   A21 GLN A 326  ASP A 333  0                                        
SHEET   20   A21 ASP A 342  PHE A 348  0                                        
SHEET   21   A21 HIS A 354  ASP A 357  0                                        
CISPEP   1 SER A  237    PRO A  238          0         3.54                     
SITE     1 AC1  6 GLY A  40  CYS A  41  GLY A  42  ALA A  43                    
SITE     2 AC1  6 SER A  44  THR A  45                                          
SITE     1 AC2  3 TYR A 223  VAL A 295  HOH A 521                               
CRYST1   86.758   94.247  132.263  90.00  90.00  90.00 I 2 2 2       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011526  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010610  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007561        0.00000