1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Liu, Y.-S. Sompornpisut, P. Perozo, E. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Nat.Struct.Biol. NSBIEW 2024 1072-8368 8 883 887 10.1038/nsb1001-883 11573095 Structure of the KcsA channel intracellular gate in the open state. 2001 TO BE PUBLISHED 0353 Calculation of Rigid Body Conformational Changes Using Restraint-Driven Cartesian Transformations US Science SCIEAS 0038 0036-8075 285 73 78 10.1126/science.285.5424.73 Structural Rearrangements Underlying K+-Channel Activation Gating 1999 US Science SCIEAS 0038 0036-8075 280 69 77 10.1126/science.280.5360.69 The Structure of the Potassium Channel: Molecular Basis of K+ Conduction and Selectivity 1998 10.2210/pdb1jq1/pdb pdb_00001jq1 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 3611.283 VOLTAGE-GATED POTASSIUM CHANNEL INNER TRANSMEMBRANE SEGMENT (residues 86-119) 4 man polymer no no LWGRCVAVVVMVAGITSFGLVTAALATWFVGREQ LWGRCVAVVVMVAGITSFGLVTAALATWFVGREQ A,B,C,D polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Streptomyces Escherichia sample 1916 Streptomyces lividans 562 Escherichia coli XL-2 BLUE PLASMID PQE32 database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2001-10-03 1 1 2008-04-27 1 2 2011-07-13 1 3 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _struct_ref_seq_dif.details CA ATOMS ONLY CA ATOMS ONLY CA ATOMS ONLY CA ATOMS ONLY 1JQ2 contains the ensemble The structure contains only alpha-carbons because the experimental data used to calculate the structures are good enough only to the backbone level. RCSB Y RCSB 2001-08-03 REL 1 CONTINUOUS WAVE EPR 20 mM CITRATE PHOSPHATE 7.0 1 atm 150.0 K 20 mM CITRATE PHOSPHATE 4.0 1 atm 150.0 K THE STRUCTURE ARE BASED ON: 1) TEN PAIRS OF INTER-SUBUNIT DISTANCES FOR THE KCSA INNER HELICAL BUNDLE IN THE CLOSED AND THE OPEN STATES AND 2) THE USE OF THE CRYSTAL STRUCTURE AS THE CHANNEL IN THE CLOSED STATE, AND AS THE REFERENCE STRUCTURE. THE COMPUTER PROGRAM REDCAT SEARCHES (RESTRAINT-DRIVEN CARTESIAN TRANSFORMATION) BASED ON THE EXHAUSTIVE SAMPLING OF RIGID-BODY MOVEMENT IN CARTESIAN SPACE FOR THE TM2 INNER BUNDLE IN THE OPEN STATE WERE ALLOWED TO CONVERGE TO A MINIMAL PENALTY VALUE. THE ENSEMBLE OF THE 50 LOWEST PENALTY CONFORMERS WAS SUBJECTED TO MOLECULAR MECHANIC ENERGY MINIMIZATION. FINAL REFINEMENT WAS PERFORMED ON THE AVERAGE OPEN HELICAL BUNDLE BY ENERGY MINIMIZATION. FOURIER DECONVOLUTION, CONFORMATIONAL GRID SEARCH A CARTESAIN REPRESENTATION MOLECULAR MECHANIC ENERGY MINIMIZATION minimized average structure 1.0 MG/ML MIXED WITH METHANETHIOSULFONATE SPIN LABEL THE SAMPLES WERE RECONSTITUTED INTO ASOLECTIN LIPOSOMES AT A 1:400 PROTEIN:LIPID RATIO D.A.CASE ET.AL. refinement Amber 6.0 BRUKER processing EPR AQUISIT 2.32 P.SOMPORNPISUT ET.AL. structure solution REDCAT 3400 Bruker EMX LEU 86 n 1 LEU 86 A TRP 87 n 2 TRP 87 A GLY 88 n 3 GLY 88 A ARG 89 n 4 ARG 89 A CYS 90 n 5 CYS 90 A VAL 91 n 6 VAL 91 A ALA 92 n 7 ALA 92 A VAL 93 n 8 VAL 93 A VAL 94 n 9 VAL 94 A VAL 95 n 10 VAL 95 A MET 96 n 11 MET 96 A VAL 97 n 12 VAL 97 A ALA 98 n 13 ALA 98 A GLY 99 n 14 GLY 99 A ILE 100 n 15 ILE 100 A THR 101 n 16 THR 101 A SER 102 n 17 SER 102 A PHE 103 n 18 PHE 103 A GLY 104 n 19 GLY 104 A LEU 105 n 20 LEU 105 A VAL 106 n 21 VAL 106 A THR 107 n 22 THR 107 A ALA 108 n 23 ALA 108 A ALA 109 n 24 ALA 109 A LEU 110 n 25 LEU 110 A ALA 111 n 26 ALA 111 A THR 112 n 27 THR 112 A TRP 113 n 28 TRP 113 A PHE 114 n 29 PHE 114 A VAL 115 n 30 VAL 115 A GLY 116 n 31 GLY 116 A ARG 117 n 32 ARG 117 A GLU 118 n 33 GLU 118 A GLN 119 n 34 GLN 119 A LEU 86 n 1 LEU 86 B TRP 87 n 2 TRP 87 B GLY 88 n 3 GLY 88 B ARG 89 n 4 ARG 89 B CYS 90 n 5 CYS 90 B VAL 91 n 6 VAL 91 B ALA 92 n 7 ALA 92 B VAL 93 n 8 VAL 93 B VAL 94 n 9 VAL 94 B VAL 95 n 10 VAL 95 B MET 96 n 11 MET 96 B VAL 97 n 12 VAL 97 B ALA 98 n 13 ALA 98 B GLY 99 n 14 GLY 99 B ILE 100 n 15 ILE 100 B THR 101 n 16 THR 101 B SER 102 n 17 SER 102 B PHE 103 n 18 PHE 103 B GLY 104 n 19 GLY 104 B LEU 105 n 20 LEU 105 B VAL 106 n 21 VAL 106 B THR 107 n 22 THR 107 B ALA 108 n 23 ALA 108 B ALA 109 n 24 ALA 109 B LEU 110 n 25 LEU 110 B ALA 111 n 26 ALA 111 B THR 112 n 27 THR 112 B TRP 113 n 28 TRP 113 B PHE 114 n 29 PHE 114 B VAL 115 n 30 VAL 115 B GLY 116 n 31 GLY 116 B ARG 117 n 32 ARG 117 B GLU 118 n 33 GLU 118 B GLN 119 n 34 GLN 119 B LEU 86 n 1 LEU 86 C TRP 87 n 2 TRP 87 C GLY 88 n 3 GLY 88 C ARG 89 n 4 ARG 89 C CYS 90 n 5 CYS 90 C VAL 91 n 6 VAL 91 C ALA 92 n 7 ALA 92 C VAL 93 n 8 VAL 93 C VAL 94 n 9 VAL 94 C VAL 95 n 10 VAL 95 C MET 96 n 11 MET 96 C VAL 97 n 12 VAL 97 C ALA 98 n 13 ALA 98 C GLY 99 n 14 GLY 99 C ILE 100 n 15 ILE 100 C THR 101 n 16 THR 101 C SER 102 n 17 SER 102 C PHE 103 n 18 PHE 103 C GLY 104 n 19 GLY 104 C LEU 105 n 20 LEU 105 C VAL 106 n 21 VAL 106 C THR 107 n 22 THR 107 C ALA 108 n 23 ALA 108 C ALA 109 n 24 ALA 109 C LEU 110 n 25 LEU 110 C ALA 111 n 26 ALA 111 C THR 112 n 27 THR 112 C TRP 113 n 28 TRP 113 C PHE 114 n 29 PHE 114 C VAL 115 n 30 VAL 115 C GLY 116 n 31 GLY 116 C ARG 117 n 32 ARG 117 C GLU 118 n 33 GLU 118 C GLN 119 n 34 GLN 119 C LEU 86 n 1 LEU 86 D TRP 87 n 2 TRP 87 D GLY 88 n 3 GLY 88 D ARG 89 n 4 ARG 89 D CYS 90 n 5 CYS 90 D VAL 91 n 6 VAL 91 D ALA 92 n 7 ALA 92 D VAL 93 n 8 VAL 93 D VAL 94 n 9 VAL 94 D VAL 95 n 10 VAL 95 D MET 96 n 11 MET 96 D VAL 97 n 12 VAL 97 D ALA 98 n 13 ALA 98 D GLY 99 n 14 GLY 99 D ILE 100 n 15 ILE 100 D THR 101 n 16 THR 101 D SER 102 n 17 SER 102 D PHE 103 n 18 PHE 103 D GLY 104 n 19 GLY 104 D LEU 105 n 20 LEU 105 D VAL 106 n 21 VAL 106 D THR 107 n 22 THR 107 D ALA 108 n 23 ALA 108 D ALA 109 n 24 ALA 109 D LEU 110 n 25 LEU 110 D ALA 111 n 26 ALA 111 D THR 112 n 27 THR 112 D TRP 113 n 28 TRP 113 D PHE 114 n 29 PHE 114 D VAL 115 n 30 VAL 115 D GLY 116 n 31 GLY 116 D ARG 117 n 32 ARG 117 D GLU 118 n 33 GLU 118 D GLN 119 n 34 GLN 119 D author_defined_assembly 4 tetrameric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 identity operation 0.0000000000 0.0000000000 0.0000000000 minimized average POTASSIUM CHANNEL (KCSA) OPEN GATE MODEL 1 N N 1 N N 1 N N 1 N N MEMBRANE PROTEIN POTASSIUM CHANNEL, INTEGRAL MEMBRANE PROTEIN, OPEN STATE, MEMBRANE PROTEIN KCSA_STRLI UNP 1 86 P0A334 LWGRLVAVVVMVAGITSFGLVTAALATWFVGREQ 86 119 1JQ1 86 119 P0A334 A 1 1 34 86 119 1JQ1 86 119 P0A334 B 1 1 34 86 119 1JQ1 86 119 P0A334 C 1 1 34 86 119 1JQ1 86 119 P0A334 D 1 1 34 1 LEU engineered mutation CYS 90 1JQ1 A P0A334 UNP 90 5 2 LEU engineered mutation CYS 90 1JQ1 B P0A334 UNP 90 5 3 LEU engineered mutation CYS 90 1JQ1 C P0A334 UNP 90 5 4 LEU engineered mutation CYS 90 1JQ1 D P0A334 UNP 90 5