HEADER    MEMBRANE PROTEIN                        07-MAR-00   1EK9              
TITLE     2.1A X-RAY STRUCTURE OF TOLC: AN INTEGRAL OUTER MEMBRANE PROTEIN AND  
TITLE    2 EFFLUX PUMP COMPONENT FROM ESCHERICHIA COLI                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: OUTER MEMBRANE PROTEIN TOLC;                               
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_PLASMID: PACYC184                                  
KEYWDS    INTEGRAL MEMBRANE PROTEIN, ALPHA HELICAL BARREL, BETA BARREL,         
KEYWDS   2 MEMBRANE PROTEIN                                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.KORONAKIS,A.J.SHARFF,E.KORONAKIS,B.LUISI,C.HUGHES                   
REVDAT   4   13-NOV-24 1EK9    1       SEQADV LINK                              
REVDAT   3   24-FEB-09 1EK9    1       VERSN                                    
REVDAT   2   01-APR-03 1EK9    1       JRNL                                     
REVDAT   1   28-JUN-00 1EK9    0                                                
JRNL        AUTH   V.KORONAKIS,A.SHARFF,E.KORONAKIS,B.LUISI,C.HUGHES            
JRNL        TITL   CRYSTAL STRUCTURE OF THE BACTERIAL MEMBRANE PROTEIN TOLC     
JRNL        TITL 2 CENTRAL TO MULTIDRUG EFFLUX AND PROTEIN EXPORT.              
JRNL        REF    NATURE                        V. 405   914 2000              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   10879525                                                     
JRNL        DOI    10.1038/35016007                                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.J.SHARFF,E.KORONAKIS,B.LUISI,V.KORONAKIS                   
REMARK   1  TITL   OXIDATION OF SELENOMETHIONINE: SOME MADNESS IN THE METHOD!   
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  56   785 2000              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S090744490000370X                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER-TNT                                           
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK,              
REMARK   3               : MATTHEWS,TEN EYCK,TRONRUD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 146020                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM - BY RESOLUTION SHELL   
REMARK   3   R VALUE     (WORKING + TEST SET)  : 0.208                          
REMARK   3   R VALUE            (WORKING SET)  : 0.208                          
REMARK   3   FREE R VALUE                      : 0.257                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : NULL                           
REMARK   3   FREE R VALUE TEST SET COUNT       : 5841                           
REMARK   3   ESTIMATED ERROR OF FREE R VALUE   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED               : NULL                     
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : NULL                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : NULL                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : NULL                     
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : NULL                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : NULL                     
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : NULL                     
REMARK   3   BIN R VALUE               (WORKING SET) : NULL                     
REMARK   3   BIN FREE R VALUE                        : NULL                     
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : NULL                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : NULL                     
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE     : NULL                     
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 9918                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 1508                                    
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 36.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : NULL                
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : NULL                          
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : NULL                          
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : NULL   ; NULL   ; NULL                
REMARK   3    BOND ANGLES               : NULL   ; NULL   ; NULL                
REMARK   3    TORSION ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    TRIGONAL CARBON PLANES    : NULL   ; NULL   ; NULL                
REMARK   3    GENERAL PLANES            : NULL   ; NULL   ; NULL                
REMARK   3    ISOTROPIC THERMAL FACTORS : NULL   ; NULL   ; NULL                
REMARK   3    BAD NON-BONDED CONTACTS   : NULL   ; NULL   ; NULL                
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : NULL   ; NULL   ; NULL                
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : NULL   ; NULL   ; NULL                
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.018                    
REMARK   3    BOND ANGLES                  (DEGREES) : 1.30                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : NULL                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : NULL                     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE COORDINATES DEPOSITED ARE OF THE SELENOMETHIONE                 
REMARK   3  SUBSTITUTED PROTEIN. METHIONINE RESIDUES AT POSITIONS               
REMARK   3  4, 78, 279, 297 AND 358 HAVE BEEN REPLACED WITH SELENOMETHIONINE.   
REMARK   4                                                                      
REMARK   4 1EK9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000010667.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-NOV-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9790                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 1388136                            
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 129.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 9.500                              
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.21                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26100                            
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: NULL                         
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 73.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.58                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 2000 MME, PEG 400, SODIUM            
REMARK 280  CHLORIDE, MAGNESIUM CHLORIDE, DODECYL GLUCOPYRSANOSIDE, HEXYL       
REMARK 280  GLUCOPYRANOSIDE, HEPTYL GLUOCOPYRANOSIDE, OCTYL GLUCOPYRANOSIDE,    
REMARK 280  1,2,3-HEPTANETRIOL, TRIS, PH 7.4, VAPOR DIFFUSION, HANGING DROP,    
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
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        0.00000            
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        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000      132.52450            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       76.51306            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       31.98633            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000      132.52450            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       76.51306            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       31.98633            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000      132.52450            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       76.51306            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       31.98633            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000      153.02611            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       63.97267            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000      153.02611            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       63.97267            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000      153.02611            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       63.97267            
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: THE BIOLOGICAL ASSEMBLY IS A HOMO-TRIMER CONSTRUCTED FROM    
REMARK 300 CHAINS A, B AND C                                                    
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 14610 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 57500 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   ND2  ASN B   156     NH1  ARG C   367              2.11            
REMARK 500   O    HOH A   504     O    HOH C   892              2.16            
REMARK 500   O    HIS B   244     O    HOH B   966              2.17            
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   773     O    HOH C   709     9554     2.11            
REMARK 500   O    HOH A   683     O    HOH B   797     9554     2.15            
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 143   NE  -  CZ  -  NH1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    ARG A 143   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500    ARG A 158   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    ARG A 158   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    THR A 186   N   -  CA  -  CB  ANGL. DEV. = -12.0 DEGREES          
REMARK 500    THR A 259   N   -  CA  -  CB  ANGL. DEV. =  14.2 DEGREES          
REMARK 500    MSE A 279   CA  -  CB  -  CG  ANGL. DEV. =  13.5 DEGREES          
REMARK 500    ASP A 356   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ARG A 367   NE  -  CZ  -  NH1 ANGL. DEV. =  -9.5 DEGREES          
REMARK 500    ARG A 367   NE  -  CZ  -  NH2 ANGL. DEV. =   8.6 DEGREES          
REMARK 500    ARG A 390   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG A 390   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    GLU A 428   N   -  CA  -  CB  ANGL. DEV. =  11.5 DEGREES          
REMARK 500    ARG B 143   NE  -  CZ  -  NH1 ANGL. DEV. =   8.6 DEGREES          
REMARK 500    ARG B 143   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.1 DEGREES          
REMARK 500    THR B 186   N   -  CA  -  CB  ANGL. DEV. = -11.5 DEGREES          
REMARK 500    LEU B 223   CB  -  CA  -  C   ANGL. DEV. =  13.2 DEGREES          
REMARK 500    THR B 259   N   -  CA  -  CB  ANGL. DEV. =  13.5 DEGREES          
REMARK 500    ARG B 328   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG B 367   NE  -  CZ  -  NH1 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    ARG B 367   NE  -  CZ  -  NH2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    GLU B 428   N   -  CA  -  CB  ANGL. DEV. =  12.1 DEGREES          
REMARK 500    ARG C 143   CD  -  NE  -  CZ  ANGL. DEV. =   9.9 DEGREES          
REMARK 500    ARG C 143   NE  -  CZ  -  NH1 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    ARG C 143   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ARG C 183   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    ARG C 183   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    THR C 186   N   -  CA  -  CB  ANGL. DEV. = -11.5 DEGREES          
REMARK 500    ARG C 219   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    THR C 259   N   -  CA  -  CB  ANGL. DEV. =  12.5 DEGREES          
REMARK 500    ARG C 367   NH1 -  CZ  -  NH2 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    ARG C 367   NE  -  CZ  -  NH1 ANGL. DEV. = -10.5 DEGREES          
REMARK 500    ARG C 367   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG C 390   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 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    ARG A  55       81.69     37.90                                   
REMARK 500    ASP A  56        3.10     82.99                                   
REMARK 500    ALA A  57       10.97   -146.21                                   
REMARK 500    ASP A  77       88.67   -156.61                                   
REMARK 500    ASP A 258     -120.02    -92.56                                   
REMARK 500    THR A 259      114.95    107.24                                   
REMARK 500    ARG A 267     -150.15   -109.69                                   
REMARK 500    ALA A 269       21.76     82.72                                   
REMARK 500    THR A 272      -21.32     71.87                                   
REMARK 500    ASP A 275     -162.04    -77.39                                   
REMARK 500    MSE A 279      166.80    -45.93                                   
REMARK 500    ILE A 292      -64.04     73.38                                   
REMARK 500    ASN A 299      -60.49     82.82                                   
REMARK 500    SER A 420      -91.65   -149.43                                   
REMARK 500    ARG B  55       82.70     37.56                                   
REMARK 500    ALA B  57       11.28   -152.83                                   
REMARK 500    ASP B  77       94.70   -160.36                                   
REMARK 500    ASP B 258     -124.16    -90.00                                   
REMARK 500    THR B 259      114.89    115.94                                   
REMARK 500    ARG B 267     -154.19   -107.15                                   
REMARK 500    ALA B 269       19.79     80.22                                   
REMARK 500    THR B 272      -34.38     74.46                                   
REMARK 500    GLN B 273      -38.26    -37.31                                   
REMARK 500    ASP B 275     -148.53    -79.96                                   
REMARK 500    MSE B 279      161.61    -37.01                                   
REMARK 500    ILE B 292      -70.90     72.23                                   
REMARK 500    ASN B 299      -57.48     84.53                                   
REMARK 500    SER B 420     -103.26   -146.31                                   
REMARK 500    ALA C  46      133.19   -174.03                                   
REMARK 500    ARG C  55       82.27     42.53                                   
REMARK 500    ASP C  56       11.32     83.35                                   
REMARK 500    ALA C  57       19.71   -158.66                                   
REMARK 500    ASP C 258     -116.56    -95.41                                   
REMARK 500    THR C 259      114.87    105.07                                   
REMARK 500    SER C 262      153.62    179.33                                   
REMARK 500    ARG C 267     -147.17   -104.59                                   
REMARK 500    ALA C 269       31.28     71.13                                   
REMARK 500    THR C 272      -29.17     77.26                                   
REMARK 500    ASP C 275     -157.31    -87.29                                   
REMARK 500    MSE C 279      158.84    -38.15                                   
REMARK 500    ILE C 292      -65.88     75.17                                   
REMARK 500    TYR C 293      118.64   -162.64                                   
REMARK 500    ASN C 299      -59.25     80.03                                   
REMARK 500    SER C 420     -103.93   -149.41                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLU A 314        -10.78                                           
REMARK 500    GLU A 317        -10.59                                           
REMARK 500    ALA C  34         10.36                                           
REMARK 500    THR C  97        -10.30                                           
REMARK 500    PHE C 144         13.38                                           
REMARK 500    SER C 353        -10.87                                           
REMARK 500    SER C 402        -10.44                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1EK9 A    1   428  UNP    P02930   TOLC_ECOLI      25    452             
DBREF  1EK9 B    1   428  UNP    P02930   TOLC_ECOLI      25    452             
DBREF  1EK9 C    1   428  UNP    P02930   TOLC_ECOLI      25    452             
SEQADV 1EK9 MSE A    4  UNP  P02930    MET    28 MODIFIED RESIDUE               
SEQADV 1EK9 MSE A   78  UNP  P02930    MET   102 MODIFIED RESIDUE               
SEQADV 1EK9 MSE A  279  UNP  P02930    MET   303 MODIFIED RESIDUE               
SEQADV 1EK9 MSE A  297  UNP  P02930    MET   321 MODIFIED RESIDUE               
SEQADV 1EK9 MSE A  358  UNP  P02930    MET   382 MODIFIED RESIDUE               
SEQADV 1EK9 MSE B    4  UNP  P02930    MET    28 MODIFIED RESIDUE               
SEQADV 1EK9 MSE B   78  UNP  P02930    MET   102 MODIFIED RESIDUE               
SEQADV 1EK9 MSE B  279  UNP  P02930    MET   303 MODIFIED RESIDUE               
SEQADV 1EK9 MSE B  297  UNP  P02930    MET   321 MODIFIED RESIDUE               
SEQADV 1EK9 MSE B  358  UNP  P02930    MET   382 MODIFIED RESIDUE               
SEQADV 1EK9 MSE C    4  UNP  P02930    MET    28 MODIFIED RESIDUE               
SEQADV 1EK9 MSE C   78  UNP  P02930    MET   102 MODIFIED RESIDUE               
SEQADV 1EK9 MSE C  279  UNP  P02930    MET   303 MODIFIED RESIDUE               
SEQADV 1EK9 MSE C  297  UNP  P02930    MET   321 MODIFIED RESIDUE               
SEQADV 1EK9 MSE C  358  UNP  P02930    MET   382 MODIFIED RESIDUE               
SEQRES   1 A  428  GLU ASN LEU MSE GLN VAL TYR GLN GLN ALA ARG LEU SER          
SEQRES   2 A  428  ASN PRO GLU LEU ARG LYS SER ALA ALA ASP ARG ASP ALA          
SEQRES   3 A  428  ALA PHE GLU LYS ILE ASN GLU ALA ARG SER PRO LEU LEU          
SEQRES   4 A  428  PRO GLN LEU GLY LEU GLY ALA ASP TYR THR TYR SER ASN          
SEQRES   5 A  428  GLY TYR ARG ASP ALA ASN GLY ILE ASN SER ASN ALA THR          
SEQRES   6 A  428  SER ALA SER LEU GLN LEU THR GLN SER ILE PHE ASP MSE          
SEQRES   7 A  428  SER LYS TRP ARG ALA LEU THR LEU GLN GLU LYS ALA ALA          
SEQRES   8 A  428  GLY ILE GLN ASP VAL THR TYR GLN THR ASP GLN GLN THR          
SEQRES   9 A  428  LEU ILE LEU ASN THR ALA THR ALA TYR PHE ASN VAL LEU          
SEQRES  10 A  428  ASN ALA ILE ASP VAL LEU SER TYR THR GLN ALA GLN LYS          
SEQRES  11 A  428  GLU ALA ILE TYR ARG GLN LEU ASP GLN THR THR GLN ARG          
SEQRES  12 A  428  PHE ASN VAL GLY LEU VAL ALA ILE THR ASP VAL GLN ASN          
SEQRES  13 A  428  ALA ARG ALA GLN TYR ASP THR VAL LEU ALA ASN GLU LEU          
SEQRES  14 A  428  THR ALA ARG ASN ASN LEU ASP ASN ALA VAL GLU GLN LEU          
SEQRES  15 A  428  ARG GLN ILE THR GLY ASN TYR TYR PRO GLU LEU ALA ALA          
SEQRES  16 A  428  LEU ASN VAL GLU ASN PHE LYS THR ASP LYS PRO GLN PRO          
SEQRES  17 A  428  VAL ASN ALA LEU LEU LYS GLU ALA GLU LYS ARG ASN LEU          
SEQRES  18 A  428  SER LEU LEU GLN ALA ARG LEU SER GLN ASP LEU ALA ARG          
SEQRES  19 A  428  GLU GLN ILE ARG GLN ALA GLN ASP GLY HIS LEU PRO THR          
SEQRES  20 A  428  LEU ASP LEU THR ALA SER THR GLY ILE SER ASP THR SER          
SEQRES  21 A  428  TYR SER GLY SER LYS THR ARG GLY ALA ALA GLY THR GLN          
SEQRES  22 A  428  TYR ASP ASP SER ASN MSE GLY GLN ASN LYS VAL GLY LEU          
SEQRES  23 A  428  SER PHE SER LEU PRO ILE TYR GLN GLY GLY MSE VAL ASN          
SEQRES  24 A  428  SER GLN VAL LYS GLN ALA GLN TYR ASN PHE VAL GLY ALA          
SEQRES  25 A  428  SER GLU GLN LEU GLU SER ALA HIS ARG SER VAL VAL GLN          
SEQRES  26 A  428  THR VAL ARG SER SER PHE ASN ASN ILE ASN ALA SER ILE          
SEQRES  27 A  428  SER SER ILE ASN ALA TYR LYS GLN ALA VAL VAL SER ALA          
SEQRES  28 A  428  GLN SER SER LEU ASP ALA MSE GLU ALA GLY TYR SER VAL          
SEQRES  29 A  428  GLY THR ARG THR ILE VAL ASP VAL LEU ASP ALA THR THR          
SEQRES  30 A  428  THR LEU TYR ASN ALA LYS GLN GLU LEU ALA ASN ALA ARG          
SEQRES  31 A  428  TYR ASN TYR LEU ILE ASN GLN LEU ASN ILE LYS SER ALA          
SEQRES  32 A  428  LEU GLY THR LEU ASN GLU GLN ASP LEU LEU ALA LEU ASN          
SEQRES  33 A  428  ASN ALA LEU SER LYS PRO VAL SER THR ASN PRO GLU              
SEQRES   1 B  428  GLU ASN LEU MSE GLN VAL TYR GLN GLN ALA ARG LEU SER          
SEQRES   2 B  428  ASN PRO GLU LEU ARG LYS SER ALA ALA ASP ARG ASP ALA          
SEQRES   3 B  428  ALA PHE GLU LYS ILE ASN GLU ALA ARG SER PRO LEU LEU          
SEQRES   4 B  428  PRO GLN LEU GLY LEU GLY ALA ASP TYR THR TYR SER ASN          
SEQRES   5 B  428  GLY TYR ARG ASP ALA ASN GLY ILE ASN SER ASN ALA THR          
SEQRES   6 B  428  SER ALA SER LEU GLN LEU THR GLN SER ILE PHE ASP MSE          
SEQRES   7 B  428  SER LYS TRP ARG ALA LEU THR LEU GLN GLU LYS ALA ALA          
SEQRES   8 B  428  GLY ILE GLN ASP VAL THR TYR GLN THR ASP GLN GLN THR          
SEQRES   9 B  428  LEU ILE LEU ASN THR ALA THR ALA TYR PHE ASN VAL LEU          
SEQRES  10 B  428  ASN ALA ILE ASP VAL LEU SER TYR THR GLN ALA GLN LYS          
SEQRES  11 B  428  GLU ALA ILE TYR ARG GLN LEU ASP GLN THR THR GLN ARG          
SEQRES  12 B  428  PHE ASN VAL GLY LEU VAL ALA ILE THR ASP VAL GLN ASN          
SEQRES  13 B  428  ALA ARG ALA GLN TYR ASP THR VAL LEU ALA ASN GLU LEU          
SEQRES  14 B  428  THR ALA ARG ASN ASN LEU ASP ASN ALA VAL GLU GLN LEU          
SEQRES  15 B  428  ARG GLN ILE THR GLY ASN TYR TYR PRO GLU LEU ALA ALA          
SEQRES  16 B  428  LEU ASN VAL GLU ASN PHE LYS THR ASP LYS PRO GLN PRO          
SEQRES  17 B  428  VAL ASN ALA LEU LEU LYS GLU ALA GLU LYS ARG ASN LEU          
SEQRES  18 B  428  SER LEU LEU GLN ALA ARG LEU SER GLN ASP LEU ALA ARG          
SEQRES  19 B  428  GLU GLN ILE ARG GLN ALA GLN ASP GLY HIS LEU PRO THR          
SEQRES  20 B  428  LEU ASP LEU THR ALA SER THR GLY ILE SER ASP THR SER          
SEQRES  21 B  428  TYR SER GLY SER LYS THR ARG GLY ALA ALA GLY THR GLN          
SEQRES  22 B  428  TYR ASP ASP SER ASN MSE GLY GLN ASN LYS VAL GLY LEU          
SEQRES  23 B  428  SER PHE SER LEU PRO ILE TYR GLN GLY GLY MSE VAL ASN          
SEQRES  24 B  428  SER GLN VAL LYS GLN ALA GLN TYR ASN PHE VAL GLY ALA          
SEQRES  25 B  428  SER GLU GLN LEU GLU SER ALA HIS ARG SER VAL VAL GLN          
SEQRES  26 B  428  THR VAL ARG SER SER PHE ASN ASN ILE ASN ALA SER ILE          
SEQRES  27 B  428  SER SER ILE ASN ALA TYR LYS GLN ALA VAL VAL SER ALA          
SEQRES  28 B  428  GLN SER SER LEU ASP ALA MSE GLU ALA GLY TYR SER VAL          
SEQRES  29 B  428  GLY THR ARG THR ILE VAL ASP VAL LEU ASP ALA THR THR          
SEQRES  30 B  428  THR LEU TYR ASN ALA LYS GLN GLU LEU ALA ASN ALA ARG          
SEQRES  31 B  428  TYR ASN TYR LEU ILE ASN GLN LEU ASN ILE LYS SER ALA          
SEQRES  32 B  428  LEU GLY THR LEU ASN GLU GLN ASP LEU LEU ALA LEU ASN          
SEQRES  33 B  428  ASN ALA LEU SER LYS PRO VAL SER THR ASN PRO GLU              
SEQRES   1 C  428  GLU ASN LEU MSE GLN VAL TYR GLN GLN ALA ARG LEU SER          
SEQRES   2 C  428  ASN PRO GLU LEU ARG LYS SER ALA ALA ASP ARG ASP ALA          
SEQRES   3 C  428  ALA PHE GLU LYS ILE ASN GLU ALA ARG SER PRO LEU LEU          
SEQRES   4 C  428  PRO GLN LEU GLY LEU GLY ALA ASP TYR THR TYR SER ASN          
SEQRES   5 C  428  GLY TYR ARG ASP ALA ASN GLY ILE ASN SER ASN ALA THR          
SEQRES   6 C  428  SER ALA SER LEU GLN LEU THR GLN SER ILE PHE ASP MSE          
SEQRES   7 C  428  SER LYS TRP ARG ALA LEU THR LEU GLN GLU LYS ALA ALA          
SEQRES   8 C  428  GLY ILE GLN ASP VAL THR TYR GLN THR ASP GLN GLN THR          
SEQRES   9 C  428  LEU ILE LEU ASN THR ALA THR ALA TYR PHE ASN VAL LEU          
SEQRES  10 C  428  ASN ALA ILE ASP VAL LEU SER TYR THR GLN ALA GLN LYS          
SEQRES  11 C  428  GLU ALA ILE TYR ARG GLN LEU ASP GLN THR THR GLN ARG          
SEQRES  12 C  428  PHE ASN VAL GLY LEU VAL ALA ILE THR ASP VAL GLN ASN          
SEQRES  13 C  428  ALA ARG ALA GLN TYR ASP THR VAL LEU ALA ASN GLU LEU          
SEQRES  14 C  428  THR ALA ARG ASN ASN LEU ASP ASN ALA VAL GLU GLN LEU          
SEQRES  15 C  428  ARG GLN ILE THR GLY ASN TYR TYR PRO GLU LEU ALA ALA          
SEQRES  16 C  428  LEU ASN VAL GLU ASN PHE LYS THR ASP LYS PRO GLN PRO          
SEQRES  17 C  428  VAL ASN ALA LEU LEU LYS GLU ALA GLU LYS ARG ASN LEU          
SEQRES  18 C  428  SER LEU LEU GLN ALA ARG LEU SER GLN ASP LEU ALA ARG          
SEQRES  19 C  428  GLU GLN ILE ARG GLN ALA GLN ASP GLY HIS LEU PRO THR          
SEQRES  20 C  428  LEU ASP LEU THR ALA SER THR GLY ILE SER ASP THR SER          
SEQRES  21 C  428  TYR SER GLY SER LYS THR ARG GLY ALA ALA GLY THR GLN          
SEQRES  22 C  428  TYR ASP ASP SER ASN MSE GLY GLN ASN LYS VAL GLY LEU          
SEQRES  23 C  428  SER PHE SER LEU PRO ILE TYR GLN GLY GLY MSE VAL ASN          
SEQRES  24 C  428  SER GLN VAL LYS GLN ALA GLN TYR ASN PHE VAL GLY ALA          
SEQRES  25 C  428  SER GLU GLN LEU GLU SER ALA HIS ARG SER VAL VAL GLN          
SEQRES  26 C  428  THR VAL ARG SER SER PHE ASN ASN ILE ASN ALA SER ILE          
SEQRES  27 C  428  SER SER ILE ASN ALA TYR LYS GLN ALA VAL VAL SER ALA          
SEQRES  28 C  428  GLN SER SER LEU ASP ALA MSE GLU ALA GLY TYR SER VAL          
SEQRES  29 C  428  GLY THR ARG THR ILE VAL ASP VAL LEU ASP ALA THR THR          
SEQRES  30 C  428  THR LEU TYR ASN ALA LYS GLN GLU LEU ALA ASN ALA ARG          
SEQRES  31 C  428  TYR ASN TYR LEU ILE ASN GLN LEU ASN ILE LYS SER ALA          
SEQRES  32 C  428  LEU GLY THR LEU ASN GLU GLN ASP LEU LEU ALA LEU ASN          
SEQRES  33 C  428  ASN ALA LEU SER LYS PRO VAL SER THR ASN PRO GLU              
MODRES 1EK9 MSE A    4  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE A   78  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE A  279  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE A  297  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE A  358  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE B    4  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE B   78  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE B  279  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE B  297  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE B  358  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE C    4  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE C   78  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE C  279  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE C  297  MET  SELENOMETHIONINE                                   
MODRES 1EK9 MSE C  358  MET  SELENOMETHIONINE                                   
HET    MSE  A   4       8                                                       
HET    MSE  A  78       8                                                       
HET    MSE  A 279       8                                                       
HET    MSE  A 297       8                                                       
HET    MSE  A 358       8                                                       
HET    MSE  B   4       8                                                       
HET    MSE  B  78       8                                                       
HET    MSE  B 279       8                                                       
HET    MSE  B 297       8                                                       
HET    MSE  B 358       8                                                       
HET    MSE  C   4       8                                                       
HET    MSE  C  78       8                                                       
HET    MSE  C 279       8                                                       
HET    MSE  C 297       8                                                       
HET    MSE  C 358       8                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
FORMUL   1  MSE    15(C5 H11 N O2 SE)                                           
FORMUL   4  HOH   *1508(H2 O)                                                   
HELIX    1   1 ASN A    2  ASN A   14  1                                  13    
HELIX    2   2 ASN A   14  SER A   36  1                                  23    
HELIX    3   3 PRO A   37  LEU A   39  5                                   3    
HELIX    4   4 ASP A   77  VAL A  146  1                                  70    
HELIX    5   5 ALA A  150  GLY A  187  1                                  38    
HELIX    6   6 PRO A  208  ASN A  220  1                                  13    
HELIX    7   7 ASN A  220  ASP A  242  1                                  23    
HELIX    8   8 GLY A  243  LEU A  245  5                                   3    
HELIX    9   9 GLY A  296  VAL A  364  1                                  69    
HELIX   10  10 THR A  368  GLY A  405  1                                  38    
HELIX   11  11 ASN A  408  ALA A  418  1                                  11    
HELIX   12  12 ASN B    2  ASN B   14  1                                  13    
HELIX   13  13 ASN B   14  SER B   36  1                                  23    
HELIX   14  14 PRO B   37  LEU B   39  5                                   3    
HELIX   15  15 ASP B   77  VAL B  146  1                                  70    
HELIX   16  16 ALA B  150  GLY B  187  1                                  38    
HELIX   17  17 PRO B  208  ASN B  220  1                                  13    
HELIX   18  18 ASN B  220  ASP B  242  1                                  23    
HELIX   19  19 GLY B  243  LEU B  245  5                                   3    
HELIX   20  20 GLY B  263  ARG B  267  5                                   5    
HELIX   21  21 GLY B  296  VAL B  364  1                                  69    
HELIX   22  22 THR B  368  GLY B  405  1                                  38    
HELIX   23  23 ASN B  408  ALA B  418  1                                  11    
HELIX   24  24 ASN C    2  ASN C   14  1                                  13    
HELIX   25  25 ASN C   14  SER C   36  1                                  23    
HELIX   26  26 PRO C   37  LEU C   39  5                                   3    
HELIX   27  27 ASP C   77  GLY C  147  1                                  71    
HELIX   28  28 ALA C  150  GLY C  187  1                                  38    
HELIX   29  29 PRO C  208  ASN C  220  1                                  13    
HELIX   30  30 ASN C  220  ASP C  242  1                                  23    
HELIX   31  31 GLY C  243  LEU C  245  5                                   3    
HELIX   32  32 GLY C  296  VAL C  364  1                                  69    
HELIX   33  33 THR C  368  GLY C  405  1                                  38    
HELIX   34  34 ASN C  408  ASN C  417  1                                  10    
SHEET    1   A18 SER B 260  SER B 262  0                                        
SHEET    2   A18 ASN B  61  PHE B  76 -1  N  ASN B  61   O  SER B 262           
SHEET    3   A18 GLN B  41  GLY B  53 -1  O  GLN B  41   N  THR B  72           
SHEET    4   A18 GLY C 280  GLN C 294 -1  O  ASN C 282   N  ASN B  52           
SHEET    5   A18 THR C 247  SER C 257 -1  N  THR C 247   O  SER C 289           
SHEET    6   A18 ASN C  61  PHE C  76 -1  O  ALA C  67   N  ILE C 256           
SHEET    7   A18 SER C 260  SER C 262 -1  O  SER C 260   N  ASN C  63           
SHEET    8   A18 ASN C  61  PHE C  76 -1  N  ASN C  61   O  SER C 262           
SHEET    9   A18 GLN C  41  GLY C  53 -1  N  GLN C  41   O  THR C  72           
SHEET   10   A18 GLY A 280  GLN A 294 -1  N  ASN A 282   O  ASN C  52           
SHEET   11   A18 THR A 247  SER A 257 -1  N  THR A 247   O  SER A 289           
SHEET   12   A18 ASN A  61  PHE A  76 -1  O  ALA A  67   N  ILE A 256           
SHEET   13   A18 SER A 260  SER A 262 -1  O  SER A 260   N  ASN A  63           
SHEET   14   A18 ASN A  61  PHE A  76 -1  N  ASN A  61   O  SER A 262           
SHEET   15   A18 GLN A  41  GLY A  53 -1  O  GLN A  41   N  THR A  72           
SHEET   16   A18 GLY B 280  GLN B 294 -1  O  ASN B 282   N  ASN A  52           
SHEET   17   A18 THR B 247  SER B 257 -1  N  THR B 247   O  SER B 289           
SHEET   18   A18 ASN B  61  PHE B  76 -1  O  ALA B  67   N  ILE B 256           
SHEET    1   B 2 GLU A 192  LEU A 196  0                                        
SHEET    2   B 2 LEU A 419  SER A 424 -1  N  SER A 420   O  ALA A 195           
SHEET    1   C 2 GLU B 192  LEU B 196  0                                        
SHEET    2   C 2 LEU B 419  SER B 424 -1  N  SER B 420   O  ALA B 195           
SHEET    1   D 2 GLU C 192  LEU C 196  0                                        
SHEET    2   D 2 LEU C 419  SER C 424 -1  N  SER C 420   O  ALA C 195           
LINK         C   LEU A   3                 N   MSE A   4     1555   1555  1.32  
LINK         C   MSE A   4                 N   GLN A   5     1555   1555  1.34  
LINK         C   ASP A  77                 N   MSE A  78     1555   1555  1.34  
LINK         C   MSE A  78                 N   SER A  79     1555   1555  1.31  
LINK         C   ASN A 278                 N   MSE A 279     1555   1555  1.33  
LINK         C   MSE A 279                 N   GLY A 280     1555   1555  1.32  
LINK         C   GLY A 296                 N   MSE A 297     1555   1555  1.33  
LINK         C   MSE A 297                 N   VAL A 298     1555   1555  1.35  
LINK         C   ALA A 357                 N   MSE A 358     1555   1555  1.35  
LINK         C   MSE A 358                 N   GLU A 359     1555   1555  1.35  
LINK         C   LEU B   3                 N   MSE B   4     1555   1555  1.32  
LINK         C   MSE B   4                 N   GLN B   5     1555   1555  1.34  
LINK         C   ASP B  77                 N   MSE B  78     1555   1555  1.33  
LINK         C   MSE B  78                 N   SER B  79     1555   1555  1.33  
LINK         C   ASN B 278                 N   MSE B 279     1555   1555  1.33  
LINK         C   MSE B 279                 N   GLY B 280     1555   1555  1.32  
LINK         C   GLY B 296                 N   MSE B 297     1555   1555  1.32  
LINK         C   MSE B 297                 N   VAL B 298     1555   1555  1.34  
LINK         C   ALA B 357                 N   MSE B 358     1555   1555  1.33  
LINK         C   MSE B 358                 N   GLU B 359     1555   1555  1.36  
LINK         C   LEU C   3                 N   MSE C   4     1555   1555  1.32  
LINK         C   MSE C   4                 N   GLN C   5     1555   1555  1.31  
LINK         C   ASP C  77                 N   MSE C  78     1555   1555  1.33  
LINK         C   MSE C  78                 N   SER C  79     1555   1555  1.32  
LINK         C   ASN C 278                 N   MSE C 279     1555   1555  1.34  
LINK         C   MSE C 279                 N   GLY C 280     1555   1555  1.32  
LINK         C   GLY C 296                 N   MSE C 297     1555   1555  1.32  
LINK         C   MSE C 297                 N   VAL C 298     1555   1555  1.33  
LINK         C   ALA C 357                 N   MSE C 358     1555   1555  1.33  
LINK         C   MSE C 358                 N   GLU C 359     1555   1555  1.33  
CRYST1  265.049  265.049   95.959  90.00  90.00 120.00 H 3          27          
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      0.003773  0.002178  0.000000        0.00000                         
SCALE2      0.000000  0.004357  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010421        0.00000