HEADER MEMBRANE PROTEIN 27-APR-18 6D8V TITLE METHYL-ACCEPTING CHEMOTAXIS PROTEIN X COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE CHEMORECEPTOR (METHYL-ACCEPTING CHEMOTAXIS) COMPND 3 TRANSMEMBRANE PROTEIN; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHIZOBIUM MELILOTI (STRAIN 1021); SOURCE 3 ORGANISM_COMMON: ENSIFER MELILOTI; SOURCE 4 ORGANISM_TAXID: 266834; SOURCE 5 STRAIN: 1021; SOURCE 6 GENE: MCPX, SMC01104; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MCP, CHEMOTAXIS, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.SHRESTHA,F.D.SCHUBOT REVDAT 3 13-MAR-24 6D8V 1 REMARK REVDAT 2 27-NOV-19 6D8V 1 REMARK REVDAT 1 17-APR-19 6D8V 0 JRNL AUTH M.SHRESTHA,K.K.COMPTON,J.M.MANCL,B.A.WEBB,A.M.BROWN, JRNL AUTH 2 B.E.SCHARF,F.D.SCHUBOT JRNL TITL STRUCTURE OF THE SENSORY DOMAIN OF MCPX FROMSINORHIZOBIUM JRNL TITL 2 MELILOTI, THE FIRST KNOWN BACTERIAL CHEMOTACTIC SENSOR FOR JRNL TITL 3 QUATERNARY AMMONIUM COMPOUNDS. JRNL REF BIOCHEM. J. V. 475 3949 2018 JRNL REFN ESSN 1470-8728 JRNL PMID 30442721 JRNL DOI 10.1042/BCJ20180769 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.12_2829 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 78.63 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 12726 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.209 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 638 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 78.6607 - 4.7878 0.94 2494 133 0.1961 0.2281 REMARK 3 2 4.7878 - 3.8002 0.98 2423 127 0.1649 0.2097 REMARK 3 3 3.8002 - 3.3198 0.98 2399 127 0.2240 0.2707 REMARK 3 4 3.3198 - 3.0163 0.98 2390 125 0.2513 0.2875 REMARK 3 5 3.0163 - 2.8001 0.99 2382 126 0.3527 0.3655 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.410 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.020 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 95.51 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.005 2073 REMARK 3 ANGLE : 0.734 2814 REMARK 3 CHIRALITY : 0.045 306 REMARK 3 PLANARITY : 0.005 369 REMARK 3 DIHEDRAL : 16.309 1217 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 43.8551 55.7719 126.2002 REMARK 3 T TENSOR REMARK 3 T11: 0.2578 T22: 0.9854 REMARK 3 T33: 0.5535 T12: -0.0153 REMARK 3 T13: -0.0202 T23: -0.0425 REMARK 3 L TENSOR REMARK 3 L11: 5.4596 L22: 2.2136 REMARK 3 L33: 3.3610 L12: 0.0197 REMARK 3 L13: 0.9705 L23: -0.3566 REMARK 3 S TENSOR REMARK 3 S11: 0.2491 S12: -0.8634 S13: 0.3536 REMARK 3 S21: 0.1614 S22: -0.2460 S23: -0.2243 REMARK 3 S31: -0.1374 S32: 0.3815 S33: 0.0039 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6D8V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-18. REMARK 100 THE DEPOSITION ID IS D_1000231951. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JUL-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300-HS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13433 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.750 REMARK 200 RESOLUTION RANGE LOW (A) : 78.660 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.08M SODIUM ACETATE 1.6M AMMONIUM REMARK 280 SULFATE 20% GLYCEROL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+2/3 REMARK 290 6555 X-Y,X,Z+1/3 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+2/3 REMARK 290 11555 -X+Y,Y,-Z REMARK 290 12555 X,X-Y,-Z+1/3 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 81.05333 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 40.52667 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 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 81.05333 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 40.52667 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 81.05333 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 40.52667 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 81.05333 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 40.52667 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 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 THR A 42 CG2 REMARK 470 TYR A 117 OH REMARK 470 ALA A 132 CB REMARK 470 ASN A 279 CG OD1 ND2 REMARK 470 GLU A 280 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CG1 VAL A 256 O2 TRS A 401 1.38 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 GLY A 225 N - CA - C ANGL. DEV. = -15.3 DEGREES REMARK 500 TYR A 276 N - CA - C ANGL. DEV. = -18.3 DEGREES REMARK 500 PRO A 281 C - N - CD ANGL. DEV. = 13.9 DEGREES REMARK 500 PRO A 292 C - N - CD ANGL. DEV. = 13.1 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 VAL A 122 -0.40 -141.12 REMARK 500 ASP A 124 76.70 47.73 REMARK 500 ASP A 143 -168.44 -103.02 REMARK 500 SER A 151 -166.93 -104.60 REMARK 500 MET A 248 -12.14 77.29 REMARK 500 ASP A 252 19.68 -144.02 REMARK 500 ASN A 273 76.02 53.38 REMARK 500 ASN A 295 71.96 53.78 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 VAL A 221 LYS A 222 -147.95 REMARK 500 TYR A 276 ASP A 277 -132.92 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 TRS A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PBE A 402 DBREF 6D8V A 38 306 UNP Q92SH9 Q92SH9_RHIME 38 306 SEQRES 1 A 269 ASP ARG VAL GLU THR LEU VAL PHE ASP GLY ALA LYS THR SEQRES 2 A 269 GLU ALA ARG ALA ILE ALA SER ASP ILE ALA GLY SER VAL SEQRES 3 A 269 GLY GLU LEU ALA ALA ALA ALA ARG THR MET SER GLY VAL SEQRES 4 A 269 LEU GLY ARG GLY HIS ALA GLY GLN SER THR ASP ARG ALA SEQRES 5 A 269 GLY ALA ILE ASN LEU LEU LYS ALA ASN LEU GLU GLN HIS SEQRES 6 A 269 GLY PHE ALA PHE GLY SER TRP PHE ALA GLU GLU PRO LYS SEQRES 7 A 269 ALA TYR ASP GLY LYS ASP VAL ILE ASP ASN THR GLU ARG SEQRES 8 A 269 GLY GLY ASN ALA ASP GLY ALA PHE THR PRO TYR TRP SER SEQRES 9 A 269 LYS ASP ARG ASN GLY ASN ILE GLN LEU SER THR PHE LYS SEQRES 10 A 269 ALA ASP TYR ALA ALA GLU TRP TYR GLY LEU ALA ALA LYS SEQRES 11 A 269 SER GLY LYS GLY ALA ILE THR GLN PRO TYR LEU ALA GLU SEQRES 12 A 269 GLY THR ASP VAL PRO THR THR MET THR SER ILE ALA TYR SEQRES 13 A 269 PRO VAL MET SER ASN GLY ARG MET ILE GLY VAL SER GLY SEQRES 14 A 269 VAL ASP ILE SER LEU ALA ALA LEU ALA ASP ARG LEU SER SEQRES 15 A 269 ALA VAL LYS PRO PHE GLY SER GLY ARG VAL TYR LEU LEU SEQRES 16 A 269 SER GLN SER GLY LYS TRP LEU ALA ALA PRO ILE PRO GLU SEQRES 17 A 269 LEU LEU MET LYS GLU TYR ASP GLY GLU GLY VAL GLU SER SEQRES 18 A 269 VAL LYS ASP ALA LEU SER THR GLY THR PRO ARG MET ILE SEQRES 19 A 269 GLU ASN LEU THR TYR ASP GLY ASN GLU PRO PHE ASP ARG SEQRES 20 A 269 VAL VAL TYR PRO PHE SER LEU PRO ASP VAL ASN ALA GLN SEQRES 21 A 269 TRP LEU VAL LEU VAL ASP VAL PRO ARG HET TRS A 401 8 HET PBE A 402 22 HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETNAM PBE 1,1-DIMETHYL-PROLINIUM HETSYN TRS TRIS BUFFER HETSYN PBE PROLINE BETAINE FORMUL 2 TRS C4 H12 N O3 1+ FORMUL 3 PBE C7 H14 N O2 1+ FORMUL 4 HOH *2(H2 O) HELIX 1 AA1 ASP A 38 GLY A 83 1 46 HELIX 2 AA2 ASP A 87 LYS A 96 1 10 HELIX 3 AA3 LYS A 96 HIS A 102 1 7 HELIX 4 AA4 ASN A 125 GLY A 129 5 5 HELIX 5 AA5 ALA A 159 GLY A 169 1 11 HELIX 6 AA6 LEU A 211 VAL A 221 1 11 HELIX 7 AA7 ILE A 243 LEU A 247 5 5 HELIX 8 AA8 GLY A 255 GLY A 266 1 12 SHEET 1 AA1 6 ILE A 148 THR A 152 0 SHEET 2 AA1 6 PRO A 138 LYS A 142 -1 N TYR A 139 O SER A 151 SHEET 3 AA1 6 GLY A 107 GLU A 112 -1 N SER A 108 O TRP A 140 SHEET 4 AA1 6 ARG A 200 SER A 210 -1 O VAL A 204 N ALA A 111 SHEET 5 AA1 6 THR A 186 SER A 197 -1 N TYR A 193 O SER A 205 SHEET 6 AA1 6 ALA A 172 ILE A 173 -1 N ALA A 172 O ALA A 192 SHEET 1 AA2 6 ILE A 148 THR A 152 0 SHEET 2 AA2 6 PRO A 138 LYS A 142 -1 N TYR A 139 O SER A 151 SHEET 3 AA2 6 GLY A 107 GLU A 112 -1 N SER A 108 O TRP A 140 SHEET 4 AA2 6 ARG A 200 SER A 210 -1 O VAL A 204 N ALA A 111 SHEET 5 AA2 6 THR A 186 SER A 197 -1 N TYR A 193 O SER A 205 SHEET 6 AA2 6 TYR A 177 ALA A 179 -1 N TYR A 177 O MET A 188 SHEET 1 AA3 5 TRP A 238 ALA A 240 0 SHEET 2 AA3 5 ARG A 228 LEU A 232 -1 N LEU A 231 O LEU A 239 SHEET 3 AA3 5 ALA A 296 PRO A 305 -1 O ASP A 303 N ARG A 228 SHEET 4 AA3 5 GLU A 280 LEU A 291 -1 N LEU A 291 O ALA A 296 SHEET 5 AA3 5 ARG A 269 TYR A 276 -1 N ILE A 271 O ARG A 284 SITE 1 AC1 5 GLY A 253 GLU A 254 GLY A 255 VAL A 256 SITE 2 AC1 5 GLU A 257 SITE 1 AC2 9 TRP A 109 TYR A 139 PHE A 153 TRP A 161 SITE 2 AC2 9 TYR A 177 ALA A 179 GLU A 180 GLY A 181 SITE 3 AC2 9 ASP A 208 CRYST1 119.040 119.040 121.580 90.00 90.00 120.00 P 62 2 2 12 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 0.008401 0.004850 0.000000 0.00000 SCALE2 0.000000 0.009700 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008225 0.00000