HEADER METAL TRANSPORT, MEMBRANE PROTEIN 22-JUL-05 2AEF TITLE CRYSTAL STRUCTURES OF THE MTHK RCK DOMAIN IN CA2+ BOUND FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALCIUM-GATED POTASSIUM CHANNEL MTHK; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: ISOFORM SOLUBLE; COMPND 5 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, CA2+ BINDING, FLEXIBLE INTERFACE, KEYWDS 2 BILOBED ARCHITECTURE, METAL TRANSPORT, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.DONG,N.SHI,I.BERKE,L.CHEN,Y.JIANG REVDAT 4 23-AUG-23 2AEF 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 2AEF 1 VERSN REVDAT 2 03-JAN-06 2AEF 1 JRNL REVDAT 1 25-OCT-05 2AEF 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 2 REMARK 2 RESOLUTION. 1.70 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.20 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 46237 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) : 0.228 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2304 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 : 3334 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 542 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 2AEF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUL-05. REMARK 100 THE DEPOSITION ID IS D_1000033794. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793 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 : 46246 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 29.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.03000 REMARK 200 R SYM (I) : 0.03000 REMARK 200 FOR THE DATA SET : 40.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : 0.03000 REMARK 200 R SYM FOR SHELL (I) : 0.28200 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 (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, CALCIUM CHLORIDE, AMMONIUM REMARK 280 FORMATE, SODIUM ACETATE, PH 4.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 18.95400 REMARK 290 SMTRY3 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6660 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -70.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 ALA A 113 REMARK 465 LYS A 114 REMARK 465 SER A 115 REMARK 465 GLU A 258 REMARK 465 GLU A 259 REMARK 465 SER A 260 REMARK 465 ARG A 340 REMARK 465 MET B 107 REMARK 465 GLY B 108 REMARK 465 LEU B 109 REMARK 465 ILE B 110 REMARK 465 ASP B 111 REMARK 465 VAL B 112 REMARK 465 ALA B 113 REMARK 465 LYS B 114 REMARK 465 SER B 115 REMARK 465 SER B 335 REMARK 465 ALA B 336 REMARK 465 LEU B 337 REMARK 465 VAL B 338 REMARK 465 PRO B 339 REMARK 465 ARG B 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 135 CG CD NE CZ NH1 NH2 REMARK 470 ASN A 147 CG OD1 ND2 REMARK 470 ARG A 154 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 271 CG CD OE1 OE2 REMARK 470 ASP A 300 CG OD1 OD2 REMARK 470 ARG A 308 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 313 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 325 CG CD OE1 OE2 REMARK 470 ARG A 329 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 116 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 150 CG CD CE NZ REMARK 470 GLU B 186 CG CD OE1 OE2 REMARK 470 GLU B 258 CG CD OE1 OE2 REMARK 470 GLU B 271 CG CD OE1 OE2 REMARK 470 ASP B 300 CG OD1 OD2 REMARK 470 GLU B 301 CG CD OE1 OE2 REMARK 470 ARG B 308 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 323 CG CD CE NZ REMARK 470 ARG B 329 CG CD NE CZ NH1 NH2 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 CZ ARG B 263 O HOH B 858 2.00 REMARK 500 O HOH B 699 O HOH B 792 2.00 REMARK 500 O HOH A 798 O HOH A 808 2.00 REMARK 500 O HOH B 821 O HOH B 863 2.00 REMARK 500 O HOH A 816 O HOH B 710 2.01 REMARK 500 NE ARG B 263 O HOH B 858 2.01 REMARK 500 O HOH A 668 O HOH A 827 2.01 REMARK 500 O HOH A 770 O HOH A 817 2.01 REMARK 500 O HOH B 652 O HOH B 820 2.03 REMARK 500 O HOH A 849 O HOH B 613 2.03 REMARK 500 CE LYS B 172 O HOH B 807 2.03 REMARK 500 O HOH A 741 O HOH B 855 2.04 REMARK 500 O HOH B 637 O HOH B 782 2.04 REMARK 500 CB LYS B 323 O HOH B 845 2.04 REMARK 500 SD MET B 250 O HOH A 875 2.04 REMARK 500 CG MET B 222 O HOH B 809 2.05 REMARK 500 O HOH A 673 O HOH A 794 2.05 REMARK 500 O HOH B 853 O HOH B 860 2.06 REMARK 500 O HOH B 716 O HOH B 863 2.06 REMARK 500 O HOH A 638 O HOH B 842 2.06 REMARK 500 O HOH B 719 O HOH B 812 2.06 REMARK 500 NH2 ARG B 263 O HOH B 858 2.07 REMARK 500 CB ARG B 116 O HOH B 829 2.07 REMARK 500 CD LYS B 172 O HOH B 807 2.07 REMARK 500 O HOH A 773 O HOH A 801 2.09 REMARK 500 O HOH A 810 O HOH B 625 2.11 REMARK 500 O HOH A 735 O HOH A 877 2.11 REMARK 500 O HOH A 793 O HOH A 802 2.12 REMARK 500 O HOH B 650 O HOH B 785 2.12 REMARK 500 O HOH B 759 O HOH B 859 2.12 REMARK 500 O HOH B 751 O HOH B 786 2.12 REMARK 500 O HOH A 717 O HOH A 850 2.14 REMARK 500 CE MET A 239 O HOH B 762 2.16 REMARK 500 O HOH A 816 O HOH B 641 2.16 REMARK 500 O HOH A 806 O HOH A 866 2.17 REMARK 500 CE LYS B 274 O HOH B 813 2.17 REMARK 500 O HOH B 704 O HOH B 832 2.18 REMARK 500 CB ARG A 116 O HOH A 818 2.19 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 ASN A 174 35.87 71.66 REMARK 500 GLU A 276 95.59 -58.96 REMARK 500 ASP A 284 54.39 34.58 REMARK 500 ASP A 300 13.06 -165.93 REMARK 500 ASP A 305 71.57 52.45 REMARK 500 PRO A 307 171.47 -56.14 REMARK 500 ASP B 184 89.64 -152.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 602 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 184 OD1 REMARK 620 2 ASP A 184 OD2 51.1 REMARK 620 3 GLU A 210 OE2 96.3 83.7 REMARK 620 4 GLU A 212 OE2 92.4 141.7 90.1 REMARK 620 5 HOH A 637 O 46.0 97.2 104.2 47.9 REMARK 620 6 HOH A 698 O 163.5 145.3 86.7 71.3 117.5 REMARK 620 7 HOH A 716 O 119.8 69.1 82.6 147.5 164.2 76.7 REMARK 620 8 HOH A 757 O 90.1 97.9 172.8 92.9 82.6 88.1 91.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 601 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 184 OD2 REMARK 620 2 ASP B 184 OD1 48.8 REMARK 620 3 GLU B 210 OE2 86.8 85.3 REMARK 620 4 GLU B 212 OE2 124.9 76.5 81.8 REMARK 620 5 HOH B 651 O 160.4 150.0 98.5 74.6 REMARK 620 6 HOH B 742 O 77.7 126.4 88.4 154.4 83.6 REMARK 620 7 HOH B 750 O 94.5 90.2 172.8 91.7 82.6 98.8 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 602 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: 2AEJ RELATED DB: PDB REMARK 900 RELATED ID: 2AEM RELATED DB: PDB DBREF 2AEF A 107 336 UNP O27564 MTHK_METTH 107 336 DBREF 2AEF B 107 336 UNP O27564 MTHK_METTH 107 336 SEQADV 2AEF LEU A 337 UNP O27564 CLONING ARTIFACT SEQADV 2AEF VAL A 338 UNP O27564 CLONING ARTIFACT SEQADV 2AEF PRO A 339 UNP O27564 CLONING ARTIFACT SEQADV 2AEF ARG A 340 UNP O27564 CLONING ARTIFACT SEQADV 2AEF LEU B 337 UNP O27564 CLONING ARTIFACT SEQADV 2AEF VAL B 338 UNP O27564 CLONING ARTIFACT SEQADV 2AEF PRO B 339 UNP O27564 CLONING ARTIFACT SEQADV 2AEF ARG B 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 SEQRES 1 B 234 MET GLY LEU ILE ASP VAL ALA LYS SER ARG HIS VAL VAL SEQRES 2 B 234 ILE CYS GLY TRP SER GLU SER THR LEU GLU CYS LEU ARG SEQRES 3 B 234 GLU LEU ARG GLY SER GLU VAL PHE VAL LEU ALA GLU ASP SEQRES 4 B 234 GLU ASN VAL ARG LYS LYS VAL LEU ARG SER GLY ALA ASN SEQRES 5 B 234 PHE VAL HIS GLY ASP PRO THR ARG VAL SER ASP LEU GLU SEQRES 6 B 234 LYS ALA ASN VAL ARG GLY ALA ARG ALA VAL ILE VAL ASP SEQRES 7 B 234 LEU GLU SER ASP SER GLU THR ILE HIS CYS ILE LEU GLY SEQRES 8 B 234 ILE ARG LYS ILE ASP GLU SER VAL ARG ILE ILE ALA GLU SEQRES 9 B 234 ALA GLU ARG TYR GLU ASN ILE GLU GLN LEU ARG MET ALA SEQRES 10 B 234 GLY ALA ASP GLN VAL ILE SER PRO PHE VAL ILE SER GLY SEQRES 11 B 234 ARG LEU MET SER ARG SER ILE ASP ASP GLY TYR GLU ALA SEQRES 12 B 234 MET PHE VAL GLN ASP VAL LEU ALA GLU GLU SER THR ARG SEQRES 13 B 234 ARG MET VAL GLU VAL PRO ILE PRO GLU GLY SER LYS LEU SEQRES 14 B 234 GLU GLY VAL SER VAL LEU ASP ALA ASP ILE HIS ASP VAL SEQRES 15 B 234 THR GLY VAL ILE ILE ILE GLY VAL GLY ARG GLY ASP GLU SEQRES 16 B 234 LEU ILE ILE ASP PRO PRO ARG ASP TYR SER PHE ARG ALA SEQRES 17 B 234 GLY ASP ILE ILE LEU GLY ILE GLY LYS PRO GLU GLU ILE SEQRES 18 B 234 GLU ARG LEU LYS ASN TYR ILE SER ALA LEU VAL PRO ARG HET CA A 602 1 HET CA B 601 1 HETNAM CA CALCIUM ION FORMUL 3 CA 2(CA 2+) FORMUL 5 HOH *542(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 SER A 155 1 8 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 SER A 242 1 13 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 HELIX 13 13 SER B 124 LEU B 134 1 11 HELIX 14 14 ASP B 145 ASN B 147 5 3 HELIX 15 15 VAL B 148 SER B 155 1 8 HELIX 16 16 ARG B 166 ALA B 173 1 8 HELIX 17 17 SER B 187 ASP B 202 1 16 HELIX 18 18 ARG B 213 GLU B 215 5 3 HELIX 19 19 ASN B 216 GLY B 224 1 9 HELIX 20 20 SER B 230 ARG B 241 1 12 HELIX 21 21 GLY B 246 LEU B 256 1 11 HELIX 22 22 SER B 279 ASP B 284 1 6 HELIX 23 23 ASP B 284 GLY B 290 1 7 HELIX 24 24 LYS B 323 ILE B 334 1 12 SHEET 1 A 6 ASN A 158 HIS A 161 0 SHEET 2 A 6 GLU A 138 ALA A 143 1 N VAL A 141 O ASN A 158 SHEET 3 A 6 HIS A 117 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 ARG A 206 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 297 O ILE A 317 SHEET 4 B 4 GLU A 301 ILE A 304 -1 O ILE A 303 N VAL A 296 SHEET 1 C 6 ASN B 158 HIS B 161 0 SHEET 2 C 6 VAL B 139 ALA B 143 1 N VAL B 139 O ASN B 158 SHEET 3 C 6 VAL B 118 CYS B 121 1 N ILE B 120 O LEU B 142 SHEET 4 C 6 ALA B 180 VAL B 183 1 O ILE B 182 N CYS B 121 SHEET 5 C 6 ARG B 206 GLU B 210 1 O ILE B 208 N VAL B 183 SHEET 6 C 6 GLN B 227 ILE B 229 1 O GLN B 227 N ALA B 209 SHEET 1 D 4 ARG B 263 PRO B 268 0 SHEET 2 D 4 ILE B 317 GLY B 322 -1 O GLY B 320 N VAL B 265 SHEET 3 D 4 ILE B 292 ARG B 298 -1 N GLY B 297 O ILE B 317 SHEET 4 D 4 GLU B 301 ILE B 304 -1 O ILE B 303 N VAL B 296 LINK OD1 ASP A 184 CA CA A 602 1555 1555 2.30 LINK OD2 ASP A 184 CA CA A 602 1555 1555 2.68 LINK OE2 GLU A 210 CA CA A 602 1555 1555 2.27 LINK OE2 GLU A 212 CA CA A 602 1555 1555 2.27 LINK CA CA A 602 O HOH A 637 1555 1555 3.32 LINK CA CA A 602 O HOH A 698 1555 1555 2.60 LINK CA CA A 602 O HOH A 716 1555 1555 2.46 LINK CA CA A 602 O HOH A 757 1555 1555 2.33 LINK OD2 ASP B 184 CA CA B 601 1555 1555 2.62 LINK OD1 ASP B 184 CA CA B 601 1555 1555 2.65 LINK OE2 GLU B 210 CA CA B 601 1555 1555 2.33 LINK OE2 GLU B 212 CA CA B 601 1555 1555 2.42 LINK CA CA B 601 O HOH B 651 1555 1555 2.34 LINK CA CA B 601 O HOH B 742 1555 1555 2.45 LINK CA CA B 601 O HOH B 750 1555 1555 2.40 SITE 1 AC1 6 ASP B 184 GLU B 210 GLU B 212 HOH B 651 SITE 2 AC1 6 HOH B 742 HOH B 750 SITE 1 AC2 6 ASP A 184 GLU A 210 GLU A 212 HOH A 698 SITE 2 AC2 6 HOH A 716 HOH A 757 CRYST1 57.979 37.908 96.652 90.00 95.49 90.00 P 1 21 1 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 0.017248 0.000000 0.001658 0.00000 SCALE2 0.000000 0.026380 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010394 0.00000