1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Yu, L. Sun, C. Song, D. Shen, J. Xu, N. Gunasekera, A. Hajduk, P.J. Olejniczak, E.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID 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 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C5 H7 N O3 129.114 n PYROGLUTAMIC ACID L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 44 15834 15841 10.1021/bi051656d 16313186 Nuclear magnetic resonance structural studies of a potassium channel-charybdotoxin complex. 2005 10.2210/pdb2a9h/pdb pdb_00002a9h 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 16717.473 Voltage-gated potassium channel Q58A, T61S, R64D, F103Y, T107F, L110V 4 man polymer 4309.998 charybdotoxin 1 syn polymer no no MSGSHHHHHHSSGIEGRGRLIKHMPPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGA ALISYPDALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITSYGLVFAAVATWFVGREQERRGHFVRHSEKA MSGSHHHHHHSSGIEGRGRLIKHMPPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGA ALISYPDALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITSYGLVFAAVATWFVGREQERRGHFVRHSEKA A,B,C,D polypeptide(L) no yes (PCA)FTNVSCTTSKECWSVCQRLHNTSRGKCMNKKCRCYS QFTNVSCTTSKECWSVCQRLHNTSRGKCMNKKCRCYS E 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 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 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 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 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 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 kcsA, skc1 1916 Streptomyces lividans 562 Escherichia coli C41 (DE3) plasmid pIVEX-d2.4d entity_poly pdbx_struct_assembly pdbx_struct_mod_residue pdbx_struct_oper_list struct_conn struct_ref_seq_dif database_2 struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Database references Derived calculations Polymer sequence Database references 1 0 2006-01-10 1 1 2008-04-30 1 2 2011-07-13 2 0 2019-12-25 2 1 2021-10-20 _entity_poly.pdbx_seq_one_letter_code_can _pdbx_struct_mod_residue.parent_comp_id _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details RCSB Y RCSB 2005-07-11 REL 1 3D 13C-edited NOESY 3D-filtered NOESY 7.5 ambient 315 K molecular SIMULATED ANNEALING / dynamics / docking minimized average structure 1 mM KcsA, 2H and selectively 13C-methyl labeled in 20 mM sodium phosphate (pH 7.5), 5 mM KCl, 1 mM DTT, and 80 mM foscholine-12, 90% H2O/10% D2O or 100% D2O 90% H2O/10% D2O or 100% D2O Brunger structure solution CNS 2002 Brunger refinement CNS 2002 800 Bruker DRX 600 Bruker DRX n 1 -22 A n 2 -21 A n 3 -20 A n 4 -19 A n 5 -18 A n 6 -17 A n 7 -16 A n 8 -15 A n 9 -14 A n 10 -13 A n 11 -12 A n 12 -11 A n 13 -10 A n 14 -9 A n 15 -8 A n 16 -7 A n 17 -6 A n 18 -5 A n 19 -4 A n 20 -3 A n 21 -2 A n 22 -1 A n 23 0 A n 24 1 A n 25 2 A n 26 3 A n 27 4 A n 28 5 A n 29 6 A n 30 7 A n 31 8 A n 32 9 A n 33 10 A n 34 11 A n 35 12 A n 36 13 A n 37 14 A n 38 15 A n 39 16 A n 40 17 A n 41 18 A n 42 19 A n 43 20 A n 44 21 A n 45 22 A ALA 23 n 46 ALA 23 A LEU 24 n 47 LEU 24 A HIS 25 n 48 HIS 25 A TRP 26 n 49 TRP 26 A ARG 27 n 50 ARG 27 A ALA 28 n 51 ALA 28 A ALA 29 n 52 ALA 29 A GLY 30 n 53 GLY 30 A ALA 31 n 54 ALA 31 A ALA 32 n 55 ALA 32 A THR 33 n 56 THR 33 A VAL 34 n 57 VAL 34 A LEU 35 n 58 LEU 35 A LEU 36 n 59 LEU 36 A VAL 37 n 60 VAL 37 A ILE 38 n 61 ILE 38 A VAL 39 n 62 VAL 39 A LEU 40 n 63 LEU 40 A LEU 41 n 64 LEU 41 A ALA 42 n 65 ALA 42 A GLY 43 n 66 GLY 43 A SER 44 n 67 SER 44 A TYR 45 n 68 TYR 45 A LEU 46 n 69 LEU 46 A ALA 47 n 70 ALA 47 A VAL 48 n 71 VAL 48 A LEU 49 n 72 LEU 49 A ALA 50 n 73 ALA 50 A GLU 51 n 74 GLU 51 A ARG 52 n 75 ARG 52 A GLY 53 n 76 GLY 53 A ALA 54 n 77 ALA 54 A PRO 55 n 78 PRO 55 A GLY 56 n 79 GLY 56 A ALA 57 n 80 ALA 57 A ALA 58 n 81 ALA 58 A LEU 59 n 82 LEU 59 A ILE 60 n 83 ILE 60 A SER 61 n 84 SER 61 A TYR 62 n 85 TYR 62 A PRO 63 n 86 PRO 63 A ASP 64 n 87 ASP 64 A ALA 65 n 88 ALA 65 A LEU 66 n 89 LEU 66 A TRP 67 n 90 TRP 67 A TRP 68 n 91 TRP 68 A SER 69 n 92 SER 69 A VAL 70 n 93 VAL 70 A GLU 71 n 94 GLU 71 A THR 72 n 95 THR 72 A ALA 73 n 96 ALA 73 A THR 74 n 97 THR 74 A THR 75 n 98 THR 75 A VAL 76 n 99 VAL 76 A GLY 77 n 100 GLY 77 A TYR 78 n 101 TYR 78 A GLY 79 n 102 GLY 79 A ASP 80 n 103 ASP 80 A LEU 81 n 104 LEU 81 A TYR 82 n 105 TYR 82 A PRO 83 n 106 PRO 83 A VAL 84 n 107 VAL 84 A THR 85 n 108 THR 85 A LEU 86 n 109 LEU 86 A TRP 87 n 110 TRP 87 A GLY 88 n 111 GLY 88 A ARG 89 n 112 ARG 89 A CYS 90 n 113 CYS 90 A VAL 91 n 114 VAL 91 A ALA 92 n 115 ALA 92 A VAL 93 n 116 VAL 93 A VAL 94 n 117 VAL 94 A VAL 95 n 118 VAL 95 A MET 96 n 119 MET 96 A VAL 97 n 120 VAL 97 A ALA 98 n 121 ALA 98 A GLY 99 n 122 GLY 99 A ILE 100 n 123 ILE 100 A THR 101 n 124 THR 101 A SER 102 n 125 SER 102 A TYR 103 n 126 TYR 103 A GLY 104 n 127 GLY 104 A LEU 105 n 128 LEU 105 A VAL 106 n 129 VAL 106 A PHE 107 n 130 PHE 107 A ALA 108 n 131 ALA 108 A ALA 109 n 132 ALA 109 A VAL 110 n 133 VAL 110 A ALA 111 n 134 ALA 111 A THR 112 n 135 THR 112 A TRP 113 n 136 TRP 113 A PHE 114 n 137 PHE 114 A VAL 115 n 138 VAL 115 A GLY 116 n 139 GLY 116 A ARG 117 n 140 ARG 117 A GLU 118 n 141 GLU 118 A GLN 119 n 142 GLN 119 A n 143 120 A n 144 121 A n 145 122 A n 146 123 A n 147 124 A n 148 125 A n 149 126 A n 150 127 A n 151 128 A n 152 129 A n 153 130 A n 154 131 A n 155 132 A n 1 -22 B n 2 -21 B n 3 -20 B n 4 -19 B n 5 -18 B n 6 -17 B n 7 -16 B n 8 -15 B n 9 -14 B n 10 -13 B n 11 -12 B n 12 -11 B n 13 -10 B n 14 -9 B n 15 -8 B n 16 -7 B n 17 -6 B n 18 -5 B n 19 -4 B n 20 -3 B n 21 -2 B n 22 -1 B n 23 0 B n 24 1 B n 25 2 B n 26 3 B n 27 4 B n 28 5 B n 29 6 B n 30 7 B n 31 8 B n 32 9 B n 33 10 B n 34 11 B n 35 12 B n 36 13 B n 37 14 B n 38 15 B n 39 16 B n 40 17 B n 41 18 B n 42 19 B n 43 20 B n 44 21 B n 45 22 B ALA 23 n 46 ALA 23 B LEU 24 n 47 LEU 24 B HIS 25 n 48 HIS 25 B TRP 26 n 49 TRP 26 B ARG 27 n 50 ARG 27 B ALA 28 n 51 ALA 28 B ALA 29 n 52 ALA 29 B GLY 30 n 53 GLY 30 B ALA 31 n 54 ALA 31 B ALA 32 n 55 ALA 32 B THR 33 n 56 THR 33 B VAL 34 n 57 VAL 34 B LEU 35 n 58 LEU 35 B LEU 36 n 59 LEU 36 B VAL 37 n 60 VAL 37 B ILE 38 n 61 ILE 38 B VAL 39 n 62 VAL 39 B LEU 40 n 63 LEU 40 B LEU 41 n 64 LEU 41 B ALA 42 n 65 ALA 42 B GLY 43 n 66 GLY 43 B SER 44 n 67 SER 44 B TYR 45 n 68 TYR 45 B LEU 46 n 69 LEU 46 B ALA 47 n 70 ALA 47 B VAL 48 n 71 VAL 48 B LEU 49 n 72 LEU 49 B ALA 50 n 73 ALA 50 B GLU 51 n 74 GLU 51 B ARG 52 n 75 ARG 52 B GLY 53 n 76 GLY 53 B ALA 54 n 77 ALA 54 B PRO 55 n 78 PRO 55 B GLY 56 n 79 GLY 56 B ALA 57 n 80 ALA 57 B ALA 58 n 81 ALA 58 B LEU 59 n 82 LEU 59 B ILE 60 n 83 ILE 60 B SER 61 n 84 SER 61 B TYR 62 n 85 TYR 62 B PRO 63 n 86 PRO 63 B ASP 64 n 87 ASP 64 B ALA 65 n 88 ALA 65 B LEU 66 n 89 LEU 66 B TRP 67 n 90 TRP 67 B TRP 68 n 91 TRP 68 B SER 69 n 92 SER 69 B VAL 70 n 93 VAL 70 B GLU 71 n 94 GLU 71 B THR 72 n 95 THR 72 B ALA 73 n 96 ALA 73 B THR 74 n 97 THR 74 B THR 75 n 98 THR 75 B VAL 76 n 99 VAL 76 B GLY 77 n 100 GLY 77 B TYR 78 n 101 TYR 78 B GLY 79 n 102 GLY 79 B ASP 80 n 103 ASP 80 B LEU 81 n 104 LEU 81 B TYR 82 n 105 TYR 82 B PRO 83 n 106 PRO 83 B VAL 84 n 107 VAL 84 B THR 85 n 108 THR 85 B LEU 86 n 109 LEU 86 B TRP 87 n 110 TRP 87 B GLY 88 n 111 GLY 88 B ARG 89 n 112 ARG 89 B CYS 90 n 113 CYS 90 B VAL 91 n 114 VAL 91 B ALA 92 n 115 ALA 92 B VAL 93 n 116 VAL 93 B VAL 94 n 117 VAL 94 B VAL 95 n 118 VAL 95 B MET 96 n 119 MET 96 B VAL 97 n 120 VAL 97 B ALA 98 n 121 ALA 98 B GLY 99 n 122 GLY 99 B ILE 100 n 123 ILE 100 B THR 101 n 124 THR 101 B SER 102 n 125 SER 102 B TYR 103 n 126 TYR 103 B GLY 104 n 127 GLY 104 B LEU 105 n 128 LEU 105 B VAL 106 n 129 VAL 106 B PHE 107 n 130 PHE 107 B ALA 108 n 131 ALA 108 B ALA 109 n 132 ALA 109 B VAL 110 n 133 VAL 110 B ALA 111 n 134 ALA 111 B THR 112 n 135 THR 112 B TRP 113 n 136 TRP 113 B PHE 114 n 137 PHE 114 B VAL 115 n 138 VAL 115 B GLY 116 n 139 GLY 116 B ARG 117 n 140 ARG 117 B GLU 118 n 141 GLU 118 B GLN 119 n 142 GLN 119 B n 143 120 B n 144 121 B n 145 122 B n 146 123 B n 147 124 B n 148 125 B n 149 126 B n 150 127 B n 151 128 B n 152 129 B n 153 130 B n 154 131 B n 155 132 B n 1 -22 C n 2 -21 C n 3 -20 C n 4 -19 C n 5 -18 C n 6 -17 C n 7 -16 C n 8 -15 C n 9 -14 C n 10 -13 C n 11 -12 C n 12 -11 C n 13 -10 C n 14 -9 C n 15 -8 C n 16 -7 C n 17 -6 C n 18 -5 C n 19 -4 C n 20 -3 C n 21 -2 C n 22 -1 C n 23 0 C n 24 1 C n 25 2 C n 26 3 C n 27 4 C n 28 5 C n 29 6 C n 30 7 C n 31 8 C n 32 9 C n 33 10 C n 34 11 C n 35 12 C n 36 13 C n 37 14 C n 38 15 C n 39 16 C n 40 17 C n 41 18 C n 42 19 C n 43 20 C n 44 21 C n 45 22 C ALA 23 n 46 ALA 23 C LEU 24 n 47 LEU 24 C HIS 25 n 48 HIS 25 C TRP 26 n 49 TRP 26 C ARG 27 n 50 ARG 27 C ALA 28 n 51 ALA 28 C ALA 29 n 52 ALA 29 C GLY 30 n 53 GLY 30 C ALA 31 n 54 ALA 31 C ALA 32 n 55 ALA 32 C THR 33 n 56 THR 33 C VAL 34 n 57 VAL 34 C LEU 35 n 58 LEU 35 C LEU 36 n 59 LEU 36 C VAL 37 n 60 VAL 37 C ILE 38 n 61 ILE 38 C VAL 39 n 62 VAL 39 C LEU 40 n 63 LEU 40 C LEU 41 n 64 LEU 41 C ALA 42 n 65 ALA 42 C GLY 43 n 66 GLY 43 C SER 44 n 67 SER 44 C TYR 45 n 68 TYR 45 C LEU 46 n 69 LEU 46 C ALA 47 n 70 ALA 47 C VAL 48 n 71 VAL 48 C LEU 49 n 72 LEU 49 C ALA 50 n 73 ALA 50 C GLU 51 n 74 GLU 51 C ARG 52 n 75 ARG 52 C GLY 53 n 76 GLY 53 C ALA 54 n 77 ALA 54 C PRO 55 n 78 PRO 55 C GLY 56 n 79 GLY 56 C ALA 57 n 80 ALA 57 C ALA 58 n 81 ALA 58 C LEU 59 n 82 LEU 59 C ILE 60 n 83 ILE 60 C SER 61 n 84 SER 61 C TYR 62 n 85 TYR 62 C PRO 63 n 86 PRO 63 C ASP 64 n 87 ASP 64 C ALA 65 n 88 ALA 65 C LEU 66 n 89 LEU 66 C TRP 67 n 90 TRP 67 C TRP 68 n 91 TRP 68 C SER 69 n 92 SER 69 C VAL 70 n 93 VAL 70 C GLU 71 n 94 GLU 71 C THR 72 n 95 THR 72 C ALA 73 n 96 ALA 73 C THR 74 n 97 THR 74 C THR 75 n 98 THR 75 C VAL 76 n 99 VAL 76 C GLY 77 n 100 GLY 77 C TYR 78 n 101 TYR 78 C GLY 79 n 102 GLY 79 C ASP 80 n 103 ASP 80 C LEU 81 n 104 LEU 81 C TYR 82 n 105 TYR 82 C PRO 83 n 106 PRO 83 C VAL 84 n 107 VAL 84 C THR 85 n 108 THR 85 C LEU 86 n 109 LEU 86 C TRP 87 n 110 TRP 87 C GLY 88 n 111 GLY 88 C ARG 89 n 112 ARG 89 C CYS 90 n 113 CYS 90 C VAL 91 n 114 VAL 91 C ALA 92 n 115 ALA 92 C VAL 93 n 116 VAL 93 C VAL 94 n 117 VAL 94 C VAL 95 n 118 VAL 95 C MET 96 n 119 MET 96 C VAL 97 n 120 VAL 97 C ALA 98 n 121 ALA 98 C GLY 99 n 122 GLY 99 C ILE 100 n 123 ILE 100 C THR 101 n 124 THR 101 C SER 102 n 125 SER 102 C TYR 103 n 126 TYR 103 C GLY 104 n 127 GLY 104 C LEU 105 n 128 LEU 105 C VAL 106 n 129 VAL 106 C PHE 107 n 130 PHE 107 C ALA 108 n 131 ALA 108 C ALA 109 n 132 ALA 109 C VAL 110 n 133 VAL 110 C ALA 111 n 134 ALA 111 C THR 112 n 135 THR 112 C TRP 113 n 136 TRP 113 C PHE 114 n 137 PHE 114 C VAL 115 n 138 VAL 115 C GLY 116 n 139 GLY 116 C ARG 117 n 140 ARG 117 C GLU 118 n 141 GLU 118 C GLN 119 n 142 GLN 119 C n 143 120 C n 144 121 C n 145 122 C n 146 123 C n 147 124 C n 148 125 C n 149 126 C n 150 127 C n 151 128 C n 152 129 C n 153 130 C n 154 131 C n 155 132 C n 1 -22 D n 2 -21 D n 3 -20 D n 4 -19 D n 5 -18 D n 6 -17 D n 7 -16 D n 8 -15 D n 9 -14 D n 10 -13 D n 11 -12 D n 12 -11 D n 13 -10 D n 14 -9 D n 15 -8 D n 16 -7 D n 17 -6 D n 18 -5 D n 19 -4 D n 20 -3 D n 21 -2 D n 22 -1 D n 23 0 D n 24 1 D n 25 2 D n 26 3 D n 27 4 D n 28 5 D n 29 6 D n 30 7 D n 31 8 D n 32 9 D n 33 10 D n 34 11 D n 35 12 D n 36 13 D n 37 14 D n 38 15 D n 39 16 D n 40 17 D n 41 18 D n 42 19 D n 43 20 D n 44 21 D n 45 22 D ALA 23 n 46 ALA 23 D LEU 24 n 47 LEU 24 D HIS 25 n 48 HIS 25 D TRP 26 n 49 TRP 26 D ARG 27 n 50 ARG 27 D ALA 28 n 51 ALA 28 D ALA 29 n 52 ALA 29 D GLY 30 n 53 GLY 30 D ALA 31 n 54 ALA 31 D ALA 32 n 55 ALA 32 D THR 33 n 56 THR 33 D VAL 34 n 57 VAL 34 D LEU 35 n 58 LEU 35 D LEU 36 n 59 LEU 36 D VAL 37 n 60 VAL 37 D ILE 38 n 61 ILE 38 D VAL 39 n 62 VAL 39 D LEU 40 n 63 LEU 40 D LEU 41 n 64 LEU 41 D ALA 42 n 65 ALA 42 D GLY 43 n 66 GLY 43 D SER 44 n 67 SER 44 D TYR 45 n 68 TYR 45 D LEU 46 n 69 LEU 46 D ALA 47 n 70 ALA 47 D VAL 48 n 71 VAL 48 D LEU 49 n 72 LEU 49 D ALA 50 n 73 ALA 50 D GLU 51 n 74 GLU 51 D ARG 52 n 75 ARG 52 D GLY 53 n 76 GLY 53 D ALA 54 n 77 ALA 54 D PRO 55 n 78 PRO 55 D GLY 56 n 79 GLY 56 D ALA 57 n 80 ALA 57 D ALA 58 n 81 ALA 58 D LEU 59 n 82 LEU 59 D ILE 60 n 83 ILE 60 D SER 61 n 84 SER 61 D TYR 62 n 85 TYR 62 D PRO 63 n 86 PRO 63 D ASP 64 n 87 ASP 64 D ALA 65 n 88 ALA 65 D LEU 66 n 89 LEU 66 D TRP 67 n 90 TRP 67 D TRP 68 n 91 TRP 68 D SER 69 n 92 SER 69 D VAL 70 n 93 VAL 70 D GLU 71 n 94 GLU 71 D THR 72 n 95 THR 72 D ALA 73 n 96 ALA 73 D THR 74 n 97 THR 74 D THR 75 n 98 THR 75 D VAL 76 n 99 VAL 76 D GLY 77 n 100 GLY 77 D TYR 78 n 101 TYR 78 D GLY 79 n 102 GLY 79 D ASP 80 n 103 ASP 80 D LEU 81 n 104 LEU 81 D TYR 82 n 105 TYR 82 D PRO 83 n 106 PRO 83 D VAL 84 n 107 VAL 84 D THR 85 n 108 THR 85 D LEU 86 n 109 LEU 86 D TRP 87 n 110 TRP 87 D GLY 88 n 111 GLY 88 D ARG 89 n 112 ARG 89 D CYS 90 n 113 CYS 90 D VAL 91 n 114 VAL 91 D ALA 92 n 115 ALA 92 D VAL 93 n 116 VAL 93 D VAL 94 n 117 VAL 94 D VAL 95 n 118 VAL 95 D MET 96 n 119 MET 96 D VAL 97 n 120 VAL 97 D ALA 98 n 121 ALA 98 D GLY 99 n 122 GLY 99 D ILE 100 n 123 ILE 100 D THR 101 n 124 THR 101 D SER 102 n 125 SER 102 D TYR 103 n 126 TYR 103 D GLY 104 n 127 GLY 104 D LEU 105 n 128 LEU 105 D VAL 106 n 129 VAL 106 D PHE 107 n 130 PHE 107 D ALA 108 n 131 ALA 108 D ALA 109 n 132 ALA 109 D VAL 110 n 133 VAL 110 D ALA 111 n 134 ALA 111 D THR 112 n 135 THR 112 D TRP 113 n 136 TRP 113 D PHE 114 n 137 PHE 114 D VAL 115 n 138 VAL 115 D GLY 116 n 139 GLY 116 D ARG 117 n 140 ARG 117 D GLU 118 n 141 GLU 118 D GLN 119 n 142 GLN 119 D n 143 120 D n 144 121 D n 145 122 D n 146 123 D n 147 124 D n 148 125 D n 149 126 D n 150 127 D n 151 128 D n 152 129 D n 153 130 D n 154 131 D n 155 132 D PCA 801 n 1 PCA 801 E PHE 802 n 2 PHE 802 E THR 803 n 3 THR 803 E ASN 804 n 4 ASN 804 E VAL 805 n 5 VAL 805 E SER 806 n 6 SER 806 E CYS 807 n 7 CYS 807 E THR 808 n 8 THR 808 E THR 809 n 9 THR 809 E SER 810 n 10 SER 810 E LYS 811 n 11 LYS 811 E GLU 812 n 12 GLU 812 E CYS 813 n 13 CYS 813 E TRP 814 n 14 TRP 814 E SER 815 n 15 SER 815 E VAL 816 n 16 VAL 816 E CYS 817 n 17 CYS 817 E GLN 818 n 18 GLN 818 E ARG 819 n 19 ARG 819 E LEU 820 n 20 LEU 820 E HIS 821 n 21 HIS 821 E ASN 822 n 22 ASN 822 E THR 823 n 23 THR 823 E SER 824 n 24 SER 824 E ARG 825 n 25 ARG 825 E GLY 826 n 26 GLY 826 E LYS 827 n 27 LYS 827 E CYS 828 n 28 CYS 828 E MET 829 n 29 MET 829 E ASN 830 n 30 ASN 830 E LYS 831 n 31 LYS 831 E LYS 832 n 32 LYS 832 E CYS 833 n 33 CYS 833 E ARG 834 n 34 ARG 834 E CYS 835 n 35 CYS 835 E TYR 836 n 36 TYR 836 E SER 837 n 37 SER 837 E author_defined_assembly 5 pentameric E PCA 801 PYROGLUTAMIC ACID E PCA 1 GLN 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 1 A MET -22 A MET 1 1 Y 1 A SER -21 A SER 2 1 Y 1 A GLY -20 A GLY 3 1 Y 1 A SER -19 A SER 4 1 Y 1 A HIS -18 A HIS 5 1 Y 1 A HIS -17 A HIS 6 1 Y 1 A HIS -16 A HIS 7 1 Y 1 A HIS -15 A HIS 8 1 Y 1 A HIS -14 A HIS 9 1 Y 1 A HIS -13 A HIS 10 1 Y 1 A SER -12 A SER 11 1 Y 1 A SER -11 A SER 12 1 Y 1 A GLY -10 A GLY 13 1 Y 1 A ILE -9 A ILE 14 1 Y 1 A GLU -8 A GLU 15 1 Y 1 A GLY -7 A GLY 16 1 Y 1 A ARG -6 A ARG 17 1 Y 1 A GLY -5 A GLY 18 1 Y 1 A ARG -4 A ARG 19 1 Y 1 A LEU -3 A LEU 20 1 Y 1 A ILE -2 A ILE 21 1 Y 1 A LYS -1 A LYS 22 1 Y 1 A HIS 0 A HIS 23 1 Y 1 A MET 1 A MET 24 1 Y 1 A PRO 2 A PRO 25 1 Y 1 A PRO 3 A PRO 26 1 Y 1 A MET 4 A MET 27 1 Y 1 A LEU 5 A LEU 28 1 Y 1 A SER 6 A SER 29 1 Y 1 A GLY 7 A GLY 30 1 Y 1 A LEU 8 A LEU 31 1 Y 1 A LEU 9 A LEU 32 1 Y 1 A ALA 10 A ALA 33 1 Y 1 A ARG 11 A ARG 34 1 Y 1 A LEU 12 A LEU 35 1 Y 1 A VAL 13 A VAL 36 1 Y 1 A LYS 14 A LYS 37 1 Y 1 A LEU 15 A LEU 38 1 Y 1 A LEU 16 A LEU 39 1 Y 1 A LEU 17 A LEU 40 1 Y 1 A GLY 18 A GLY 41 1 Y 1 A ARG 19 A ARG 42 1 Y 1 A HIS 20 A HIS 43 1 Y 1 A GLY 21 A GLY 44 1 Y 1 A SER 22 A SER 45 1 Y 1 A GLU 120 A GLU 143 1 Y 1 A ARG 121 A ARG 144 1 Y 1 A ARG 122 A ARG 145 1 Y 1 A GLY 123 A GLY 146 1 Y 1 A HIS 124 A HIS 147 1 Y 1 A PHE 125 A PHE 148 1 Y 1 A VAL 126 A VAL 149 1 Y 1 A ARG 127 A ARG 150 1 Y 1 A HIS 128 A HIS 151 1 Y 1 A SER 129 A SER 152 1 Y 1 A GLU 130 A GLU 153 1 Y 1 A LYS 131 A LYS 154 1 Y 1 A ALA 132 A ALA 155 1 Y 1 B MET -22 B MET 1 1 Y 1 B SER -21 B SER 2 1 Y 1 B GLY -20 B GLY 3 1 Y 1 B SER -19 B SER 4 1 Y 1 B HIS -18 B HIS 5 1 Y 1 B HIS -17 B HIS 6 1 Y 1 B HIS -16 B HIS 7 1 Y 1 B HIS -15 B HIS 8 1 Y 1 B HIS -14 B HIS 9 1 Y 1 B HIS -13 B HIS 10 1 Y 1 B SER -12 B SER 11 1 Y 1 B SER -11 B SER 12 1 Y 1 B GLY -10 B GLY 13 1 Y 1 B ILE -9 B ILE 14 1 Y 1 B GLU -8 B GLU 15 1 Y 1 B GLY -7 B GLY 16 1 Y 1 B ARG -6 B ARG 17 1 Y 1 B GLY -5 B GLY 18 1 Y 1 B ARG -4 B ARG 19 1 Y 1 B LEU -3 B LEU 20 1 Y 1 B ILE -2 B ILE 21 1 Y 1 B LYS -1 B LYS 22 1 Y 1 B HIS 0 B HIS 23 1 Y 1 B MET 1 B MET 24 1 Y 1 B PRO 2 B PRO 25 1 Y 1 B PRO 3 B PRO 26 1 Y 1 B MET 4 B MET 27 1 Y 1 B LEU 5 B LEU 28 1 Y 1 B SER 6 B SER 29 1 Y 1 B GLY 7 B GLY 30 1 Y 1 B LEU 8 B LEU 31 1 Y 1 B LEU 9 B LEU 32 1 Y 1 B ALA 10 B ALA 33 1 Y 1 B ARG 11 B ARG 34 1 Y 1 B LEU 12 B LEU 35 1 Y 1 B VAL 13 B VAL 36 1 Y 1 B LYS 14 B LYS 37 1 Y 1 B LEU 15 B LEU 38 1 Y 1 B LEU 16 B LEU 39 1 Y 1 B LEU 17 B LEU 40 1 Y 1 B GLY 18 B GLY 41 1 Y 1 B ARG 19 B ARG 42 1 Y 1 B HIS 20 B HIS 43 1 Y 1 B GLY 21 B GLY 44 1 Y 1 B SER 22 B SER 45 1 Y 1 B GLU 120 B GLU 143 1 Y 1 B ARG 121 B ARG 144 1 Y 1 B ARG 122 B ARG 145 1 Y 1 B GLY 123 B GLY 146 1 Y 1 B HIS 124 B HIS 147 1 Y 1 B PHE 125 B PHE 148 1 Y 1 B VAL 126 B VAL 149 1 Y 1 B ARG 127 B ARG 150 1 Y 1 B HIS 128 B HIS 151 1 Y 1 B SER 129 B SER 152 1 Y 1 B GLU 130 B GLU 153 1 Y 1 B LYS 131 B LYS 154 1 Y 1 B ALA 132 B ALA 155 1 Y 1 C MET -22 C MET 1 1 Y 1 C SER -21 C SER 2 1 Y 1 C GLY -20 C GLY 3 1 Y 1 C SER -19 C SER 4 1 Y 1 C HIS -18 C HIS 5 1 Y 1 C HIS -17 C HIS 6 1 Y 1 C HIS -16 C HIS 7 1 Y 1 C HIS -15 C HIS 8 1 Y 1 C HIS -14 C HIS 9 1 Y 1 C HIS -13 C HIS 10 1 Y 1 C SER -12 C SER 11 1 Y 1 C SER -11 C SER 12 1 Y 1 C GLY -10 C GLY 13 1 Y 1 C ILE -9 C ILE 14 1 Y 1 C GLU -8 C GLU 15 1 Y 1 C GLY -7 C GLY 16 1 Y 1 C ARG -6 C ARG 17 1 Y 1 C GLY -5 C GLY 18 1 Y 1 C ARG -4 C ARG 19 1 Y 1 C LEU -3 C LEU 20 1 Y 1 C ILE -2 C ILE 21 1 Y 1 C LYS -1 C LYS 22 1 Y 1 C HIS 0 C HIS 23 1 Y 1 C MET 1 C MET 24 1 Y 1 C PRO 2 C PRO 25 1 Y 1 C PRO 3 C PRO 26 1 Y 1 C MET 4 C MET 27 1 Y 1 C LEU 5 C LEU 28 1 Y 1 C SER 6 C SER 29 1 Y 1 C GLY 7 C GLY 30 1 Y 1 C LEU 8 C LEU 31 1 Y 1 C LEU 9 C LEU 32 1 Y 1 C ALA 10 C ALA 33 1 Y 1 C ARG 11 C ARG 34 1 Y 1 C LEU 12 C LEU 35 1 Y 1 C VAL 13 C VAL 36 1 Y 1 C LYS 14 C LYS 37 1 Y 1 C LEU 15 C LEU 38 1 Y 1 C LEU 16 C LEU 39 1 Y 1 C LEU 17 C LEU 40 1 Y 1 C GLY 18 C GLY 41 1 Y 1 C ARG 19 C ARG 42 1 Y 1 C HIS 20 C HIS 43 1 Y 1 C GLY 21 C GLY 44 1 Y 1 C SER 22 C SER 45 1 Y 1 C GLU 120 C GLU 143 1 Y 1 C ARG 121 C ARG 144 1 Y 1 C ARG 122 C ARG 145 1 Y 1 C GLY 123 C GLY 146 1 Y 1 C HIS 124 C HIS 147 1 Y 1 C PHE 125 C PHE 148 1 Y 1 C VAL 126 C VAL 149 1 Y 1 C ARG 127 C ARG 150 1 Y 1 C HIS 128 C HIS 151 1 Y 1 C SER 129 C SER 152 1 Y 1 C GLU 130 C GLU 153 1 Y 1 C LYS 131 C LYS 154 1 Y 1 C ALA 132 C ALA 155 1 Y 1 D MET -22 D MET 1 1 Y 1 D SER -21 D SER 2 1 Y 1 D GLY -20 D GLY 3 1 Y 1 D SER -19 D SER 4 1 Y 1 D HIS -18 D HIS 5 1 Y 1 D HIS -17 D HIS 6 1 Y 1 D HIS -16 D HIS 7 1 Y 1 D HIS -15 D HIS 8 1 Y 1 D HIS -14 D HIS 9 1 Y 1 D HIS -13 D HIS 10 1 Y 1 D SER -12 D SER 11 1 Y 1 D SER -11 D SER 12 1 Y 1 D GLY -10 D GLY 13 1 Y 1 D ILE -9 D ILE 14 1 Y 1 D GLU -8 D GLU 15 1 Y 1 D GLY -7 D GLY 16 1 Y 1 D ARG -6 D ARG 17 1 Y 1 D GLY -5 D GLY 18 1 Y 1 D ARG -4 D ARG 19 1 Y 1 D LEU -3 D LEU 20 1 Y 1 D ILE -2 D ILE 21 1 Y 1 D LYS -1 D LYS 22 1 Y 1 D HIS 0 D HIS 23 1 Y 1 D MET 1 D MET 24 1 Y 1 D PRO 2 D PRO 25 1 Y 1 D PRO 3 D PRO 26 1 Y 1 D MET 4 D MET 27 1 Y 1 D LEU 5 D LEU 28 1 Y 1 D SER 6 D SER 29 1 Y 1 D GLY 7 D GLY 30 1 Y 1 D LEU 8 D LEU 31 1 Y 1 D LEU 9 D LEU 32 1 Y 1 D ALA 10 D ALA 33 1 Y 1 D ARG 11 D ARG 34 1 Y 1 D LEU 12 D LEU 35 1 Y 1 D VAL 13 D VAL 36 1 Y 1 D LYS 14 D LYS 37 1 Y 1 D LEU 15 D LEU 38 1 Y 1 D LEU 16 D LEU 39 1 Y 1 D LEU 17 D LEU 40 1 Y 1 D GLY 18 D GLY 41 1 Y 1 D ARG 19 D ARG 42 1 Y 1 D HIS 20 D HIS 43 1 Y 1 D GLY 21 D GLY 44 1 Y 1 D SER 22 D SER 45 1 Y 1 D GLU 120 D GLU 143 1 Y 1 D ARG 121 D ARG 144 1 Y 1 D ARG 122 D ARG 145 1 Y 1 D GLY 123 D GLY 146 1 Y 1 D HIS 124 D HIS 147 1 Y 1 D PHE 125 D PHE 148 1 Y 1 D VAL 126 D VAL 149 1 Y 1 D ARG 127 D ARG 150 1 Y 1 D HIS 128 D HIS 151 1 Y 1 D SER 129 D SER 152 1 Y 1 D GLU 130 D GLU 153 1 Y 1 D LYS 131 D LYS 154 1 Y 1 D ALA 132 D ALA 155 1 Y 1 A LEU 24 -177.23 -44.98 1 A PRO 55 -69.74 87.31 1 A ALA 57 -73.96 -70.53 1 A ALA 58 -163.89 31.49 1 A LEU 59 -92.98 50.88 1 A VAL 76 -90.54 -74.22 1 A VAL 84 -139.31 -48.28 1 A ARG 117 -165.99 37.27 1 B LEU 24 -177.52 -44.97 1 B PRO 55 -48.84 103.46 1 B ALA 58 -95.74 50.86 1 B VAL 76 -90.06 -74.73 1 B ARG 117 -163.25 31.05 1 C LEU 24 -161.23 -45.09 1 C ALA 54 172.12 150.69 1 C VAL 76 -90.01 -74.40 1 C ARG 117 -166.94 90.71 1 D LEU 24 -169.28 -45.10 1 D ALA 54 172.58 152.51 1 D PRO 55 -51.87 90.19 1 D LEU 59 -130.63 -63.36 1 D VAL 76 -89.68 -72.99 1 D VAL 84 -127.12 -62.56 1 D ARG 117 -165.87 62.06 1 E SER 806 -48.66 159.85 1 E THR 808 -140.11 -48.59 1 E HIS 821 -118.09 -76.90 1 E ASN 822 171.45 48.74 1 E ARG 825 57.97 104.56 minimized average NMR structural studies of a potassium channel / charybdotoxin complex 1 N N 1 N N 1 N N 1 N N 2 N N A LEU 24 A LEU 47 HELX_P A ARG 52 A ARG 75 1 1 29 A SER 61 A SER 84 HELX_P A THR 74 A THR 97 1 2 14 A THR 85 A THR 108 HELX_P A GLY 116 A GLY 139 1 3 32 B LEU 24 B LEU 47 HELX_P B ARG 52 B ARG 75 1 4 29 B SER 61 B SER 84 HELX_P B THR 74 B THR 97 1 5 14 B THR 85 B THR 108 HELX_P B GLY 116 B GLY 139 1 6 32 C LEU 24 C LEU 47 HELX_P C ARG 52 C ARG 75 1 7 29 C SER 61 C SER 84 HELX_P C THR 74 C THR 97 1 8 14 C THR 85 C THR 108 HELX_P C GLY 116 C GLY 139 1 9 32 D LEU 24 D LEU 47 HELX_P D ARG 52 D ARG 75 1 10 29 D SER 61 D SER 84 HELX_P D THR 74 D THR 97 1 11 14 D THR 85 D THR 108 HELX_P D GLY 116 D GLY 139 1 12 32 E THR 809 E THR 9 HELX_P E HIS 821 E HIS 21 1 13 13 disulf 2.029 E CYS 807 E SG CYS 7 1_555 E CYS 828 E SG CYS 28 1_555 disulf 2.030 E CYS 813 E SG CYS 13 1_555 E CYS 833 E SG CYS 33 1_555 disulf 2.029 E CYS 817 E SG CYS 17 1_555 E CYS 835 E SG CYS 35 1_555 covale 1.329 both E PCA 801 E C PCA 1 1_555 E PHE 802 E N PHE 2 1_555 METAL TRANSPORT, membrane protein Potassium channel, KcsA, membrane protein, METAL TRANSPORT KCSA_STRLI UNP 1 1 P0A334 MPPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGD LYPVTLWGRLVAVVVMVAGITSFGLVTAALATWFVGREQERRGHFVRHSEKAAEEAYTRTTRALHERFDRLERMLDDNRR 2A9H PDB 2 2A9H 1 132 2A9H 1 132 P0A334 A 1 24 155 1 132 2A9H 1 132 P0A334 B 1 24 155 1 132 2A9H 1 132 P0A334 C 1 24 155 1 132 2A9H 1 132 P0A334 D 1 24 155 801 837 2A9H 801 837 2A9H E 2 1 37 1 cloning artifact MET -22 2A9H A P0A334 UNP 1 1 cloning artifact SER -21 2A9H A P0A334 UNP 2 1 cloning artifact GLY -20 2A9H A P0A334 UNP 3 1 cloning artifact SER -19 2A9H A P0A334 UNP 4 1 expression tag HIS -18 2A9H A P0A334 UNP 5 1 expression tag HIS -17 2A9H A P0A334 UNP 6 1 expression tag HIS -16 2A9H A P0A334 UNP 7 1 expression tag HIS -15 2A9H A P0A334 UNP 8 1 expression tag HIS -14 2A9H A P0A334 UNP 9 1 expression tag HIS -13 2A9H A P0A334 UNP 10 1 cloning artifact SER -12 2A9H A P0A334 UNP 11 1 cloning artifact SER -11 2A9H A P0A334 UNP 12 1 cloning artifact GLY -10 2A9H A P0A334 UNP 13 1 cloning artifact ILE -9 2A9H A P0A334 UNP 14 1 cloning artifact GLU -8 2A9H A P0A334 UNP 15 1 cloning artifact GLY -7 2A9H A P0A334 UNP 16 1 cloning artifact ARG -6 2A9H A P0A334 UNP 17 1 cloning artifact GLY -5 2A9H A P0A334 UNP 18 1 cloning artifact ARG -4 2A9H A P0A334 UNP 19 1 cloning artifact LEU -3 2A9H A P0A334 UNP 20 1 cloning artifact ILE -2 2A9H A P0A334 UNP 21 1 cloning artifact LYS -1 2A9H A P0A334 UNP 22 1 cloning artifact HIS 0 2A9H A P0A334 UNP 23 1 GLN engineered mutation ALA 58 2A9H A P0A334 UNP 58 81 1 THR engineered mutation SER 61 2A9H A P0A334 UNP 61 84 1 ARG engineered mutation ASP 64 2A9H A P0A334 UNP 64 87 1 LEU engineered mutation CYS 90 2A9H A P0A334 UNP 90 113 1 PHE engineered mutation TYR 103 2A9H A P0A334 UNP 103 126 1 THR engineered mutation PHE 107 2A9H A P0A334 UNP 107 130 1 LEU engineered mutation VAL 110 2A9H A P0A334 UNP 110 133 2 cloning artifact MET -22 2A9H B P0A334 UNP 1 2 cloning artifact SER -21 2A9H B P0A334 UNP 2 2 cloning artifact GLY -20 2A9H B P0A334 UNP 3 2 cloning artifact SER -19 2A9H B P0A334 UNP 4 2 expression tag HIS -18 2A9H B P0A334 UNP 5 2 expression tag HIS -17 2A9H B P0A334 UNP 6 2 expression tag HIS -16 2A9H B P0A334 UNP 7 2 expression tag HIS -15 2A9H B P0A334 UNP 8 2 expression tag HIS -14 2A9H B P0A334 UNP 9 2 expression tag HIS -13 2A9H B P0A334 UNP 10 2 cloning artifact SER -12 2A9H B P0A334 UNP 11 2 cloning artifact SER -11 2A9H B P0A334 UNP 12 2 cloning artifact GLY -10 2A9H B P0A334 UNP 13 2 cloning artifact ILE -9 2A9H B P0A334 UNP 14 2 cloning artifact GLU -8 2A9H B P0A334 UNP 15 2 cloning artifact GLY -7 2A9H B P0A334 UNP 16 2 cloning artifact ARG -6 2A9H B P0A334 UNP 17 2 cloning artifact GLY -5 2A9H B P0A334 UNP 18 2 cloning artifact ARG -4 2A9H B P0A334 UNP 19 2 cloning artifact LEU -3 2A9H B P0A334 UNP 20 2 cloning artifact ILE -2 2A9H B P0A334 UNP 21 2 cloning artifact LYS -1 2A9H B P0A334 UNP 22 2 cloning artifact HIS 0 2A9H B P0A334 UNP 23 2 GLN engineered mutation ALA 58 2A9H B P0A334 UNP 58 81 2 THR engineered mutation SER 61 2A9H B P0A334 UNP 61 84 2 ARG engineered mutation ASP 64 2A9H B P0A334 UNP 64 87 2 LEU engineered mutation CYS 90 2A9H B P0A334 UNP 90 113 2 PHE engineered mutation TYR 103 2A9H B P0A334 UNP 103 126 2 THR engineered mutation PHE 107 2A9H B P0A334 UNP 107 130 2 LEU engineered mutation VAL 110 2A9H B P0A334 UNP 110 133 3 cloning artifact MET -22 2A9H C P0A334 UNP 1 3 cloning artifact SER -21 2A9H C P0A334 UNP 2 3 cloning artifact GLY -20 2A9H C P0A334 UNP 3 3 cloning artifact SER -19 2A9H C P0A334 UNP 4 3 expression tag HIS -18 2A9H C P0A334 UNP 5 3 expression tag HIS -17 2A9H C P0A334 UNP 6 3 expression tag HIS -16 2A9H C P0A334 UNP 7 3 expression tag HIS -15 2A9H C P0A334 UNP 8 3 expression tag HIS -14 2A9H C P0A334 UNP 9 3 expression tag HIS -13 2A9H C P0A334 UNP 10 3 cloning artifact SER -12 2A9H C P0A334 UNP 11 3 cloning artifact SER -11 2A9H C P0A334 UNP 12 3 cloning artifact GLY -10 2A9H C P0A334 UNP 13 3 cloning artifact ILE -9 2A9H C P0A334 UNP 14 3 cloning artifact GLU -8 2A9H C P0A334 UNP 15 3 cloning artifact GLY -7 2A9H C P0A334 UNP 16 3 cloning artifact ARG -6 2A9H C P0A334 UNP 17 3 cloning artifact GLY -5 2A9H C P0A334 UNP 18 3 cloning artifact ARG -4 2A9H C P0A334 UNP 19 3 cloning artifact LEU -3 2A9H C P0A334 UNP 20 3 cloning artifact ILE -2 2A9H C P0A334 UNP 21 3 cloning artifact LYS -1 2A9H C P0A334 UNP 22 3 cloning artifact HIS 0 2A9H C P0A334 UNP 23 3 GLN engineered mutation ALA 58 2A9H C P0A334 UNP 58 81 3 THR engineered mutation SER 61 2A9H C P0A334 UNP 61 84 3 ARG engineered mutation ASP 64 2A9H C P0A334 UNP 64 87 3 LEU engineered mutation CYS 90 2A9H C P0A334 UNP 90 113 3 PHE engineered mutation TYR 103 2A9H C P0A334 UNP 103 126 3 THR engineered mutation PHE 107 2A9H C P0A334 UNP 107 130 3 LEU engineered mutation VAL 110 2A9H C P0A334 UNP 110 133 4 cloning artifact MET -22 2A9H D P0A334 UNP 1 4 cloning artifact SER -21 2A9H D P0A334 UNP 2 4 cloning artifact GLY -20 2A9H D P0A334 UNP 3 4 cloning artifact SER -19 2A9H D P0A334 UNP 4 4 expression tag HIS -18 2A9H D P0A334 UNP 5 4 expression tag HIS -17 2A9H D P0A334 UNP 6 4 expression tag HIS -16 2A9H D P0A334 UNP 7 4 expression tag HIS -15 2A9H D P0A334 UNP 8 4 expression tag HIS -14 2A9H D P0A334 UNP 9 4 expression tag HIS -13 2A9H D P0A334 UNP 10 4 cloning artifact SER -12 2A9H D P0A334 UNP 11 4 cloning artifact SER -11 2A9H D P0A334 UNP 12 4 cloning artifact GLY -10 2A9H D P0A334 UNP 13 4 cloning artifact ILE -9 2A9H D P0A334 UNP 14 4 cloning artifact GLU -8 2A9H D P0A334 UNP 15 4 cloning artifact GLY -7 2A9H D P0A334 UNP 16 4 cloning artifact ARG -6 2A9H D P0A334 UNP 17 4 cloning artifact GLY -5 2A9H D P0A334 UNP 18 4 cloning artifact ARG -4 2A9H D P0A334 UNP 19 4 cloning artifact LEU -3 2A9H D P0A334 UNP 20 4 cloning artifact ILE -2 2A9H D P0A334 UNP 21 4 cloning artifact LYS -1 2A9H D P0A334 UNP 22 4 cloning artifact HIS 0 2A9H D P0A334 UNP 23 4 GLN engineered mutation ALA 58 2A9H D P0A334 UNP 58 81 4 THR engineered mutation SER 61 2A9H D P0A334 UNP 61 84 4 ARG engineered mutation ASP 64 2A9H D P0A334 UNP 64 87 4 LEU engineered mutation CYS 90 2A9H D P0A334 UNP 90 113 4 PHE engineered mutation TYR 103 2A9H D P0A334 UNP 103 126 4 THR engineered mutation PHE 107 2A9H D P0A334 UNP 107 130 4 LEU engineered mutation VAL 110 2A9H D P0A334 UNP 110 133