HEADER METAL TRANSPORT, MEMBRANE PROTEIN 22-JUL-05 2AEM TITLE CRYSTAL STRUCTURES OF THE MTHK RCK DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALCIUM-GATED POTASSIUM CHANNEL MTHK; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOTHERMOBACTER THERMAUTOTROPHICUS; SOURCE 3 ORGANISM_TAXID: 145262; SOURCE 4 GENE: MTHK; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: M15; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PQE70 KEYWDS ROSSMANN FOLD, HELIX-TURN-HELIX, METAL TRANSPORT, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.DONG,N.SHI,I.BERKE,L.CHEN,Y.JIANG REVDAT 5 23-AUG-23 2AEM 1 SEQADV REVDAT 4 13-JUL-11 2AEM 1 VERSN REVDAT 3 24-FEB-09 2AEM 1 VERSN REVDAT 2 03-JAN-06 2AEM 1 JRNL REVDAT 1 25-OCT-05 2AEM 0 JRNL AUTH J.DONG,N.SHI,I.BERKE,L.CHEN,Y.JIANG JRNL TITL STRUCTURES OF THE MTHK RCK DOMAIN AND THE EFFECT OF CA2+ ON JRNL TITL 2 GATING RING STABILITY JRNL REF J.BIOL.CHEM. V. 280 41716 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 16227203 JRNL DOI 10.1074/JBC.M508144200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Y.JIANG,A.LEE,J.CHEN,M.CADENE,B.T.CHAIT,R.MACKINNON REMARK 1 TITL CRYSTAL STRUCTURE AND MECHANISM OF A CALCIUM-GATED POTASSIUM REMARK 1 TITL 2 CHANNEL REMARK 1 REF NATURE V. 417 515 2002 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 12037559 REMARK 1 DOI 10.1038/417515A REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 10711 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 REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 542 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 (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 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 : 1737 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 5 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2AEM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-AUG-05. REMARK 100 THE DEPOSITION ID IS D_1000033801. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-JUN-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM 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 : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10728 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 35.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.770 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.06800 REMARK 200 FOR THE DATA SET : 23.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.52400 REMARK 200 R SYM FOR SHELL (I) : 0.52400 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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1LNQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, AMMONIUM SULFATE, CACODYLATE REMARK 280 , PH 5.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+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 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 -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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 82.44000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 47.59676 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 27.61733 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 82.44000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 47.59676 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 27.61733 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 82.44000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 47.59676 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 27.61733 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 82.44000 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 47.59676 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 27.61733 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 82.44000 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 47.59676 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 27.61733 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 82.44000 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 47.59676 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 27.61733 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 95.19351 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 55.23467 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 95.19351 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 55.23467 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 95.19351 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 55.23467 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 95.19351 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 55.23467 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 95.19351 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 55.23467 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 95.19351 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 55.23467 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 7180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19130 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -42.0 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 -0.500000 0.866025 0.000000 82.44000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 -47.59676 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 138.08667 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 4 LIES ON A SPECIAL POSITION. 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 107 REMARK 465 GLY A 108 REMARK 465 LEU A 109 REMARK 465 ILE A 110 REMARK 465 ASP A 111 REMARK 465 VAL A 112 REMARK 465 PRO A 339 REMARK 465 ARG A 340 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 ARG A 176 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 186 CG CD OE1 OE2 REMARK 470 ARG A 308 CG CD NE CZ NH1 NH2 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 SER A 115 50.12 -142.79 REMARK 500 ARG A 116 -153.20 -88.74 REMARK 500 ARG A 135 98.58 -58.58 REMARK 500 ARG A 154 24.38 -70.71 REMARK 500 SER A 155 12.49 -144.54 REMARK 500 ASP A 184 84.08 -152.11 REMARK 500 GLU A 186 11.36 -68.59 REMARK 500 ALA A 257 -75.24 -108.47 REMARK 500 GLU A 259 42.08 34.31 REMARK 500 SER A 260 -99.59 -59.06 REMARK 500 ASP A 300 38.24 32.88 REMARK 500 ILE A 304 -73.54 -53.89 REMARK 500 ASP A 305 74.68 -112.81 REMARK 500 SER A 335 153.95 -37.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LNQ RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH TRANSMEMBRANE DOMAIN REMARK 900 RELATED ID: 2AEF RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH CA2+ BOUND FORM REMARK 900 RELATED ID: 2AEJ RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITHOUT CA2+ BOUND FORM DBREF 2AEM A 107 336 UNP O27564 MTHK_METTH 107 336 SEQADV 2AEM LEU A 337 UNP O27564 CLONING ARTIFACT SEQADV 2AEM VAL A 338 UNP O27564 CLONING ARTIFACT SEQADV 2AEM PRO A 339 UNP O27564 CLONING ARTIFACT SEQADV 2AEM ARG A 340 UNP O27564 CLONING ARTIFACT SEQRES 1 A 234 MET GLY LEU ILE ASP VAL ALA LYS SER ARG HIS VAL VAL SEQRES 2 A 234 ILE CYS GLY TRP SER GLU SER THR LEU GLU CYS LEU ARG SEQRES 3 A 234 GLU LEU ARG GLY SER GLU VAL PHE VAL LEU ALA GLU ASP SEQRES 4 A 234 GLU ASN VAL ARG LYS LYS VAL LEU ARG SER GLY ALA ASN SEQRES 5 A 234 PHE VAL HIS GLY ASP PRO THR ARG VAL SER ASP LEU GLU SEQRES 6 A 234 LYS ALA ASN VAL ARG GLY ALA ARG ALA VAL ILE VAL ASP SEQRES 7 A 234 LEU GLU SER ASP SER GLU THR ILE HIS CYS ILE LEU GLY SEQRES 8 A 234 ILE ARG LYS ILE ASP GLU SER VAL ARG ILE ILE ALA GLU SEQRES 9 A 234 ALA GLU ARG TYR GLU ASN ILE GLU GLN LEU ARG MET ALA SEQRES 10 A 234 GLY ALA ASP GLN VAL ILE SER PRO PHE VAL ILE SER GLY SEQRES 11 A 234 ARG LEU MET SER ARG SER ILE ASP ASP GLY TYR GLU ALA SEQRES 12 A 234 MET PHE VAL GLN ASP VAL LEU ALA GLU GLU SER THR ARG SEQRES 13 A 234 ARG MET VAL GLU VAL PRO ILE PRO GLU GLY SER LYS LEU SEQRES 14 A 234 GLU GLY VAL SER VAL LEU ASP ALA ASP ILE HIS ASP VAL SEQRES 15 A 234 THR GLY VAL ILE ILE ILE GLY VAL GLY ARG GLY ASP GLU SEQRES 16 A 234 LEU ILE ILE ASP PRO PRO ARG ASP TYR SER PHE ARG ALA SEQRES 17 A 234 GLY ASP ILE ILE LEU GLY ILE GLY LYS PRO GLU GLU ILE SEQRES 18 A 234 GLU ARG LEU LYS ASN TYR ILE SER ALA LEU VAL PRO ARG FORMUL 2 HOH *5(H2 O) HELIX 1 1 SER A 124 LEU A 134 1 11 HELIX 2 2 ASP A 145 ASN A 147 5 3 HELIX 3 3 VAL A 148 ARG A 154 1 7 HELIX 4 4 ARG A 166 ALA A 173 1 8 HELIX 5 5 SER A 187 ASP A 202 1 16 HELIX 6 6 ARG A 213 GLU A 215 5 3 HELIX 7 7 ASN A 216 GLY A 224 1 9 HELIX 8 8 SER A 230 ARG A 241 1 12 HELIX 9 9 GLY A 246 ALA A 257 1 12 HELIX 10 10 SER A 279 ASP A 284 1 6 HELIX 11 11 ASP A 284 GLY A 290 1 7 HELIX 12 12 LYS A 323 SER A 335 1 13 SHEET 1 A 6 ASN A 158 HIS A 161 0 SHEET 2 A 6 VAL A 139 ALA A 143 1 N VAL A 141 O ASN A 158 SHEET 3 A 6 VAL A 118 CYS A 121 1 N ILE A 120 O PHE A 140 SHEET 4 A 6 ALA A 180 VAL A 183 1 O ILE A 182 N CYS A 121 SHEET 5 A 6 ILE A 207 GLU A 210 1 O ILE A 208 N VAL A 183 SHEET 6 A 6 GLN A 227 ILE A 229 1 O GLN A 227 N ALA A 209 SHEET 1 B 4 ARG A 263 PRO A 268 0 SHEET 2 B 4 ILE A 317 GLY A 322 -1 O GLY A 320 N VAL A 265 SHEET 3 B 4 ILE A 292 ARG A 298 -1 N GLY A 295 O LEU A 319 SHEET 4 B 4 GLU A 301 ILE A 303 -1 O ILE A 303 N VAL A 296 CRYST1 164.880 164.880 82.852 90.00 90.00 120.00 H 3 2 18 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 0.006065 0.003502 0.000000 0.00000 SCALE2 0.000000 0.007003 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012070 0.00000