HEADER SIGNALING PROTEIN 30-APR-12 4EXO TITLE REVISED, REREFINED CRYSTAL STRUCTURE OF PDB ENTRY 2QHK, METHYL TITLE 2 ACCEPTING CHEMOTAXIS PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYL-ACCEPTING CHEMOTAXIS PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL PERIPLASMIC DOMAIN, UNP RESIDUES 38-183; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO PARAHAEMOLYTICUS; SOURCE 3 ORGANISM_TAXID: 670; SOURCE 4 STRAIN: RIMD 2210633; SOURCE 5 GENE: GI:28896957, VP0183; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PDM68 KEYWDS SIGNALING PROTEIN, CHEMOTAXIS RECEPTOR, PAS DOMAIN, FOUR HELIX KEYWDS 2 BUNDLE, METHYL ACCEPTING CHEMOTAXIS RECEPTOR, PERIPLASMIC DOMAIN EXPDTA X-RAY DIFFRACTION AUTHOR E.G.SWEENEY,J.N.HENDERSON,J.GOERS,C.WREDEN,K.G.HICKS,J.K.FOSTER, AUTHOR 2 R.PARTHASARATHY,S.J.REMINGTON,K.GUILLEMIN REVDAT 5 15-NOV-23 4EXO 1 ATOM REVDAT 4 13-SEP-23 4EXO 1 REMARK LINK REVDAT 3 15-NOV-17 4EXO 1 REMARK REVDAT 2 29-AUG-12 4EXO 1 JRNL REVDAT 1 30-MAY-12 4EXO 0 JRNL AUTH E.GOERS SWEENEY,J.N.HENDERSON,J.GOERS,C.WREDEN,K.G.HICKS, JRNL AUTH 2 J.K.FOSTER,R.PARTHASARATHY,S.J.REMINGTON,K.GUILLEMIN JRNL TITL STRUCTURE AND PROPOSED MECHANISM FOR THE PH-SENSING JRNL TITL 2 HELICOBACTER PYLORI CHEMORECEPTOR TLPB. JRNL REF STRUCTURE V. 20 1177 2012 JRNL REFN ISSN 0969-2126 JRNL PMID 22705207 JRNL DOI 10.1016/J.STR.2012.04.021 REMARK 0 REMARK 0 THIS ENTRY 4EXO REFLECTS AN ALTERNATIVE MODELING OF THE REMARK 0 STRUCTURAL DATA IN R2QHKSF ORIGINAL DATA DETERMINED BY REMARK 0 AUTHOR:ZHANG, R., LI, H., CLANCY, S., JOACHIMIAK, A., REMARK 0 MIDWEST CENTER FOR STRUCTURAL GENOMICS (MCSG) REMARK 0 ORIGINAL DATA REFERENCE 1 REMARK 0 PDB ID: 2QHK REMARK 0 AUTH R.ZHANG,H.LI,S.CLANCY,A.JOACHIMIAK REMARK 0 TITL THE CRYSTAL STRUCTURE OF THE METHYL-ACCEPTING CHEMOTAXIS REMARK 0 TITL 2 PROTEIN FROM VIBRIO PARAHAEMOLYTICUS RIMD 2210633 REMARK 0 REF TO BE PUBLISHED REMARK 0 REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 15778 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) : 0.159 REMARK 3 R VALUE (WORKING SET) : 0.156 REMARK 3 FREE R VALUE : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 784 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.96 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1010 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.18 REMARK 3 BIN R VALUE (WORKING SET) : 0.1900 REMARK 3 BIN FREE R VALUE SET COUNT : 56 REMARK 3 BIN FREE R VALUE : 0.2440 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1160 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 222 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.03000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : -0.05000 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): 0.118 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.123 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.069 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.293 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.931 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1215 ; 0.017 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1642 ; 1.424 ; 1.964 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 151 ; 6.159 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 57 ;36.889 ;25.263 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 218 ;13.337 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;19.737 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 172 ; 0.113 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 929 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 736 ; 0.915 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1175 ; 1.680 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 479 ; 2.491 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 466 ; 4.113 ; 4.500 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4EXO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAY-12. REMARK 100 THE DEPOSITION ID IS D_1000072198. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL 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 : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97940 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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: NULL REMARK 200 STARTING MODEL: PDB ENTRY 2QHK REMARK 200 REMARK 200 REMARK: AUTHOR USED THE SF DATA FROM ENTRY 2QHK REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 11555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 12555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 13555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 14555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 15555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 16555 -Y+1/2,-X+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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 56.13400 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 31.36550 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 56.13400 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 31.36550 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 56.13400 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 31.36550 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 56.13400 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 31.36550 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 56.13400 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 31.36550 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 56.13400 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 31.36550 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 56.13400 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 31.36550 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 56.13400 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 56.13400 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 31.36550 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 56.13400 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 56.13400 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 31.36550 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 390 O HOH A 474 2.02 REMARK 500 O HOH A 381 O HOH A 500 2.06 REMARK 500 O HOH A 480 O HOH A 482 2.08 REMARK 500 O HOH A 335 O HOH A 475 2.15 REMARK 500 O HOH A 366 O HOH A 497 2.19 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 PYR A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QHK RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF THE METHYL-ACCEPTING CHEMOTAXIS PROTEIN REMARK 900 FROM VIBRIO PARAHAEMOLYTICUS RIMD 2210633. THIS ENTRY 4EXO REFLECTS REMARK 900 AN ALTERNATIVE MODELING OF X-RAY DATA R2QHKSF DBREF 4EXO A 8 153 UNP Q87T87 Q87T87_VIBPA 38 183 SEQRES 1 A 146 ALA GLU LEU VAL ARG ASP ARG GLN GLU LEU ILE ASP ALA SEQRES 2 A 146 ARG LYS LYS GLU LEU LYS ALA TYR MSE MSE MSE GLY VAL SEQRES 3 A 146 THR ALA ILE LYS PRO LEU TYR ASP SER ASP VAL ASN GLY SEQRES 4 A 146 SER ASN LYS GLN ALA ALA LYS GLU ILE LEU LYS ALA MSE SEQRES 5 A 146 ARG PHE GLU SER ASP GLY TYR PHE PHE ALA TYR ASP SER SEQRES 6 A 146 GLN GLY ILE ASN THR LEU HIS ALA ILE LYS PRO SER LEU SEQRES 7 A 146 GLU GLY LYS ASN LEU TYR ASP LEU LYS ASP GLU ASN GLY SEQRES 8 A 146 VAL ALA VAL ILE ALA GLY LEU ILE ASP ALA SER GLN LYS SEQRES 9 A 146 GLY ASP GLY PHE LEU TYR PHE SER TRP HIS LYS PRO THR SEQRES 10 A 146 ILE ASN ALA GLN ALA PRO LYS LEU GLY TYR ALA GLU TYR SEQRES 11 A 146 LEU GLN LYS TRP ASP TRP VAL LEU GLY THR GLY ILE TYR SEQRES 12 A 146 ILE ASP ASP MODRES 4EXO MSE A 29 MET SELENOMETHIONINE MODRES 4EXO MSE A 30 MET SELENOMETHIONINE MODRES 4EXO MSE A 31 MET SELENOMETHIONINE MODRES 4EXO MSE A 59 MET SELENOMETHIONINE HET MSE A 29 8 HET MSE A 30 8 HET MSE A 31 16 HET MSE A 59 8 HET PYR A 201 6 HETNAM MSE SELENOMETHIONINE HETNAM PYR PYRUVIC ACID FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 PYR C3 H4 O3 FORMUL 3 HOH *222(H2 O) HELIX 1 1 ALA A 8 ILE A 36 1 29 HELIX 2 2 ILE A 36 SER A 42 1 7 HELIX 3 3 ASN A 48 MSE A 59 1 12 HELIX 4 4 LYS A 82 GLU A 86 5 5 HELIX 5 5 ALA A 100 GLY A 112 1 13 HELIX 6 6 PRO A 123 ASN A 126 5 4 HELIX 7 7 GLN A 139 ASP A 142 5 4 SHEET 1 A 5 ASN A 76 HIS A 79 0 SHEET 2 A 5 PHE A 68 TYR A 70 -1 N ALA A 69 O THR A 77 SHEET 3 A 5 TRP A 143 TYR A 150 -1 O VAL A 144 N TYR A 70 SHEET 4 A 5 GLN A 128 LEU A 138 -1 N LEU A 138 O TRP A 143 SHEET 5 A 5 PHE A 115 HIS A 121 -1 N PHE A 118 O LYS A 131 LINK C TYR A 28 N MSE A 29 1555 1555 1.35 LINK C MSE A 29 N MSE A 30 1555 1555 1.33 LINK C MSE A 30 N AMSE A 31 1555 1555 1.33 LINK C MSE A 30 N BMSE A 31 1555 1555 1.33 LINK C AMSE A 31 N GLY A 32 1555 1555 1.33 LINK C BMSE A 31 N GLY A 32 1555 1555 1.33 LINK C ALA A 58 N MSE A 59 1555 1555 1.34 LINK C MSE A 59 N ARG A 60 1555 1555 1.33 SITE 1 AC1 7 TYR A 66 PHE A 68 TYR A 70 HIS A 79 SITE 2 AC1 7 PHE A 118 TRP A 120 LYS A 131 CRYST1 112.268 112.268 62.731 90.00 90.00 90.00 I 4 2 2 16 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 0.008907 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008907 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015941 0.00000