PDB Short entry for 3GBG HEADER TRANSCRIPTION REGULATOR 19-FEB-09 3GBG TITLE CRYSTAL STRUCTURE OF TOXT FROM VIBRIO CHOLERAE O395 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TCP PILUS VIRULENCE REGULATORY PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 345073; SOURCE 4 STRAIN: O395; SOURCE 5 GENE: TCPN, TOXT, VC0395_A0363; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) CODON PLUS RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: TXB1 KEYWDS CUPIN, HELIX-TURN-HELIX, ARAC FAMILY, ACTIVATOR, DNA-BINDING, KEYWDS 2 TRANSCRIPTION, TRANSCRIPTION REGULATION, VIRULENCE, TRANSCRIPTION KEYWDS 3 REGULATOR EXPDTA X-RAY DIFFRACTION AUTHOR M.J.LOWDEN,F.J.KULL REVDAT 5 03-APR-24 3GBG 1 REMARK REVDAT 4 21-FEB-24 3GBG 1 REMARK REVDAT 3 13-JUL-11 3GBG 1 VERSN REVDAT 2 28-APR-10 3GBG 1 JRNL REVDAT 1 23-FEB-10 3GBG 0 JRNL AUTH M.J.LOWDEN,K.SKORUPSKI,M.PELLEGRINI,M.G.CHIORAZZO, JRNL AUTH 2 R.K.TAYLOR,F.J.KULL JRNL TITL STRUCTURE OF VIBRIO CHOLERAE TOXT REVEALS A MECHANISM FOR JRNL TITL 2 FATTY ACID REGULATION OF VIRULENCE GENES. JRNL REF PROC.NATL.ACAD.SCI.USA V. 107 2860 2010 JRNL REFN ISSN 0027-8424 JRNL PMID 20133655 JRNL DOI 10.1073/PNAS.0915021107 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.62 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1414871.050 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 20831 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2051 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3059 REMARK 3 BIN R VALUE (WORKING SET) : 0.2620 REMARK 3 BIN FREE R VALUE : 0.2950 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 334 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2125 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 217 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.68000 REMARK 3 B22 (A**2) : 4.13000 REMARK 3 B33 (A**2) : -8.81000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.19 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.24 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.850 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.700 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.200 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.400 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.510 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 68.45 REMARK 3 REMARK 3 NCS MODEL : NONE REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : PAM.PAR REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : PAM.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3GBG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAR-09. REMARK 100 THE DEPOSITION ID IS D_1000051657. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAR-08; 13-DEC-07 REMARK 200 TEMPERATURE (KELVIN) : 298; 298 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : NSLS; APS REMARK 200 BEAMLINE : X6A; 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9789, 0.9184, 0.9184; 0.9785 REMARK 200 MONOCHROMATOR : SI(111) CHANNEL CUT REMARK 200 MONOCHROMATOR; DOUBLE CRYSTAL REMARK 200 CRYO-COOLED SI(111) REMARK 200 OPTICS : DOUBLE CRYSTAL CHANNEL CUT, REMARK 200 SI(111), 1M LONG RH COATED REMARK 200 TOROIDAL MIRROR FOR VERTICAL AND REMARK 200 HORIZONTAL FOCUSING; SI(111) REMARK 200 DOUBLE CRYSTAL MONOCHROMETER. REMARK 200 ADJUSTABLE FOCUSING MIRRORS IN K- REMARK 200 B GEOMETRY REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210; MARMOSAIC 300 REMARK 200 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20831 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 19.620 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.41000 REMARK 200 R SYM FOR SHELL (I) : 0.24400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.210 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: MAD DATASET REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.5, 10% (W/V) PEG 8000, REMARK 280 3.6-4.0% MPD, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 19.65550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.78400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.86950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.78400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.65550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.86950 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 ILE A 2 REMARK 465 GLY A 3 REMARK 465 ASP A 101 REMARK 465 LEU A 102 REMARK 465 MET A 103 REMARK 465 ILE A 104 REMARK 465 ARG A 105 REMARK 465 ASN A 106 REMARK 465 LEU A 107 REMARK 465 TYR A 108 REMARK 465 SER A 109 REMARK 465 GLU A 110 REMARK 465 ALA A 274 REMARK 465 GLU A 275 REMARK 465 LYS A 276 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 ASP A 167 CB ASP A 167 CG -0.128 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 THR A 165 CB - CA - C ANGL. DEV. = -19.4 DEGREES REMARK 500 ASP A 166 N - CA - C ANGL. DEV. = -17.8 DEGREES REMARK 500 ASP A 167 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 LEU A 168 CB - CG - CD1 ANGL. DEV. = 10.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 PHE A 17 18.62 57.59 REMARK 500 HIS A 121 39.06 36.13 REMARK 500 ASN A 122 -48.68 -130.77 REMARK 500 GLU A 136 -31.61 -135.14 REMARK 500 ASN A 138 74.55 -116.77 REMARK 500 LEU A 168 42.48 -84.23 REMARK 500 ASP A 181 67.81 -156.97 REMARK 500 LYS A 235 93.02 -69.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PAM A 5975 DBREF 3GBG A 1 276 UNP A5F384 TCPN_VIBC3 1 276 SEQRES 1 A 276 MET ILE GLY LYS LYS SER PHE GLN THR ASN VAL TYR ARG SEQRES 2 A 276 MET SER LYS PHE ASP THR TYR ILE PHE ASN ASN LEU TYR SEQRES 3 A 276 ILE ASN ASP TYR LYS MET PHE TRP ILE ASP SER GLY ILE SEQRES 4 A 276 ALA LYS LEU ILE ASP LYS ASN CYS LEU VAL SER TYR GLU SEQRES 5 A 276 ILE ASN SER SER SER ILE ILE LEU LEU LYS LYS ASN SER SEQRES 6 A 276 ILE GLN ARG PHE SER LEU THR SER LEU SER ASP GLU ASN SEQRES 7 A 276 ILE ASN VAL SER VAL ILE THR ILE SER ASP SER PHE ILE SEQRES 8 A 276 ARG SER LEU LYS SER TYR ILE LEU GLY ASP LEU MET ILE SEQRES 9 A 276 ARG ASN LEU TYR SER GLU ASN LYS ASP LEU LEU LEU TRP SEQRES 10 A 276 ASN CYS GLU HIS ASN ASP ILE ALA VAL LEU SER GLU VAL SEQRES 11 A 276 VAL ASN GLY PHE ARG GLU ILE ASN TYR SER ASP GLU PHE SEQRES 12 A 276 LEU LYS VAL PHE PHE SER GLY PHE PHE SER LYS VAL GLU SEQRES 13 A 276 LYS LYS TYR ASN SER ILE PHE ILE THR ASP ASP LEU ASP SEQRES 14 A 276 ALA MET GLU LYS ILE SER CYS LEU VAL LYS SER ASP ILE SEQRES 15 A 276 THR ARG ASN TRP ARG TRP ALA ASP ILE CYS GLY GLU LEU SEQRES 16 A 276 ARG THR ASN ARG MET ILE LEU LYS LYS GLU LEU GLU SER SEQRES 17 A 276 ARG GLY VAL LYS PHE ARG GLU LEU ILE ASN SER ILE ARG SEQRES 18 A 276 ILE SER TYR SER ILE SER LEU MET LYS THR GLY GLU PHE SEQRES 19 A 276 LYS ILE LYS GLN ILE ALA TYR GLN SER GLY PHE ALA SER SEQRES 20 A 276 VAL SER TYR PHE SER THR VAL PHE LYS SER THR MET ASN SEQRES 21 A 276 VAL ALA PRO SER GLU TYR LEU PHE MET LEU THR GLY VAL SEQRES 22 A 276 ALA GLU LYS HET PAM A5975 18 HETNAM PAM PALMITOLEIC ACID FORMUL 2 PAM C16 H30 O2 FORMUL 3 HOH *217(H2 O) HELIX 1 1 SER A 87 ILE A 98 1 12 HELIX 2 2 ASN A 122 ASN A 132 1 11 HELIX 3 3 SER A 140 GLU A 156 1 17 HELIX 4 4 ASP A 169 ASP A 181 1 13 HELIX 5 5 ARG A 187 ARG A 196 1 10 HELIX 6 6 ASN A 198 SER A 208 1 11 HELIX 7 7 LYS A 212 THR A 231 1 20 HELIX 8 8 LYS A 235 SER A 243 1 9 HELIX 9 9 SER A 247 ASN A 260 1 14 HELIX 10 10 ALA A 262 LEU A 270 1 9 SHEET 1 A 5 PHE A 7 MET A 14 0 SHEET 2 A 5 ILE A 79 ILE A 86 -1 O THR A 85 N GLN A 8 SHEET 3 A 5 LYS A 31 ILE A 35 -1 N MET A 32 O ILE A 84 SHEET 4 A 5 SER A 57 LEU A 61 -1 O LEU A 61 N LYS A 31 SHEET 5 A 5 LEU A 114 ASN A 118 -1 O LEU A 115 N LEU A 60 SHEET 1 B 4 THR A 19 TYR A 26 0 SHEET 2 B 4 ILE A 66 SER A 73 -1 O GLN A 67 N LEU A 25 SHEET 3 B 4 ALA A 40 ASP A 44 -1 N LYS A 41 O THR A 72 SHEET 4 B 4 VAL A 49 ILE A 53 -1 O VAL A 49 N ASP A 44 SITE 1 AC1 8 TYR A 12 TYR A 20 LYS A 31 LYS A 230 SITE 2 AC1 8 MET A 259 TYR A 266 MET A 269 HOH A 401 CRYST1 39.311 77.739 83.568 90.00 90.00 90.00 P 21 21 21 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.025438 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012864 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011966 0.00000