0.024283 0.000000 0.000000 0.000000 0.011708 0.000000 0.000000 0.000000 0.011469 0.00000 0.00000 0.00000 6 6 2.3103 1.0201 1.5888 0.8651 20.8439 10.2075 0.5687 51.6512 7 7 12.2220 3.1346 2.0141 1.1672 0.0057 9.8933 28.9975 0.5826 8 8 3.0487 2.2870 1.5464 0.8671 13.2771 5.7011 0.3239 32.9089 30 30 14.0812 7.0352 5.1677 2.4112 3.2655 0.2333 10.3163 58.7097 0000-0002-1115-9223 Jacob, N.P. 0000-0001-8039-6823 Kratochvil, H.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 40 90 90 90 41.181 85.409 87.192 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking H2 O 18.015 WATER non-polymer 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 C21 H40 O4 356.540 (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate 1-Oleoyl-R-glycerol non-polymer C4 H10 O3 106.120 DI(HYDROXYETHYL)ETHER non-polymer C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C3 H7 N O3 105.093 y SERINE 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 Zn 2 65.409 ZINC ION non-polymer N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N O N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N N N 58 S C N 59 N C N 60 N O N 61 N C N 62 N C N 63 N C N 64 N O N 65 N N N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N H N 75 N H N 76 N H N 77 N N N 78 N C N 79 N C N 80 N O N 81 N O N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N O N 88 N H N 89 N H N 90 N N N 91 S C N 92 N C N 93 N O N 94 S C N 95 N C N 96 N C N 97 N C N 98 N O N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N N N 113 S C N 114 N C N 115 N O N 116 N C N 117 N C N 118 N C N 119 N C N 120 N O N 121 N H N 122 N H N 123 N H N 124 N H N 125 N H N 126 N H N 127 N H N 128 N H N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N N N 135 S C N 136 N C N 137 N O N 138 N C N 139 N C N 140 N C N 141 N C N 142 N N N 143 N O N 144 N H N 145 N H N 146 N H N 147 N H N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N C N 160 N C N 161 N C N 162 N C N 163 N C N 164 N C N 165 N C N 166 N C N 167 N C N 168 N C N 169 N C N 170 N C N 171 N C N 172 N C N 173 N C N 174 N C N 175 N C N 176 N C N 177 N C N 178 N C N 179 R C N 180 N O N 181 N O N 182 N O N 183 N O N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N C N 225 N O N 226 N C N 227 N O N 228 N C N 229 N C N 230 N O N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N N N 242 S C N 243 N C N 244 N O N 245 N C Y 246 N C Y 247 N C Y 248 N C Y 249 N C Y 250 N C Y 251 N C N 252 N O N 253 N H N 254 N H N 255 N H N 256 N H N 257 N H N 258 N H N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N N N 265 S C N 266 N C N 267 N O N 268 N C N 269 N O N 270 N O N 271 N H N 272 N H N 273 N H N 274 N H N 275 N H N 276 N H N 277 N H N 278 N N N 279 S C N 280 N C N 281 N O N 282 N C Y 283 N C Y 284 N C Y 285 N C Y 286 N N Y 287 N C Y 288 N C Y 289 N C Y 290 N C Y 291 N C N 292 N O N 293 N H N 294 N H N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N H N 305 N N N 306 S C N 307 N C N 308 N O N 309 N C N 310 N C N 311 N C N 312 N O N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H N 321 N H N 322 N H N 323 N H N 324 N ZN N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N doub N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N doub N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N sing N 79 N doub N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N doub N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N doub N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N doub N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N doub N 152 N sing N 153 N sing N 154 Z sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N doub N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N doub N 237 N sing N 238 N sing N 239 N sing N 240 N sing Y 241 N doub Y 242 N sing Y 243 N sing N 244 N sing Y 245 N doub N 246 N sing Y 247 N doub N 248 N sing Y 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N doub N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N doub N 273 N sing N 274 N sing N 275 N sing N 276 N sing Y 277 N doub Y 278 N sing Y 279 N sing N 280 N sing Y 281 N doub Y 282 N sing Y 283 N sing N 284 N sing Y 285 N sing Y 286 N doub N 287 N sing Y 288 N doub N 289 N sing Y 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N doub N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N sing N 311 N sing To Be Published 0353 Engineered Channel Asymmetry Extends Hydrogen-Bonding Networks for Proton Conduction 0000-0002-1115-9223 0009-0008-5453-6309 0000-0001-8039-6823 10.2210/pdb12ki/pdb pdb_000012ki 100 1 N PIXEL 2024-04-02 DECTRIS EIGER2 XE 16M SINGLE WAVELENGTH M x-ray 1 0.97946 1.0 BL12-1 SSRL 0.97946 SYNCHROTRON SSRL BEAMLINE BL12-1 3019.750 Proton channel LLQL I13S 10 syn polymer 356.540 (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate 1 syn non-polymer 106.120 DI(HYDROXYETHYL)ETHER 3 syn non-polymer 65.409 ZINC ION 2 syn non-polymer 18.015 water 9 nat water no no DSLKWIVFLLFLSVLLQLAIVFLLRG DSLKWIVFLLFLSVLLQLAIVFLLRG A,B,C,D,E,F,G,H,I,J 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 1 2.56 51.90 LIPIDIC CUBIC PHASE 6% EG, 0.1 M NaCacod pH 6, 6.6% PEG 8K, 0.15 M ZnAcet 293 repository Initial release 1 0 2026-05-06 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R00GM138753 huong.kratochvil@unc.edu 0000-0001-8039-6823 Huong Kratochvil principal investigator/group leader N RCSB Y RCSB 2026-04-09 REL REL OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate PEG DI(HYDROXYETHYL)ETHER ZN ZINC ION HOH water 32630 synthetic construct sample 1 26 N N 6MCT PDB entry 6MCT PDB experimental model A6L 101 2 OLC OLC 101 B PEG 101 3 PEG PEG 102 B ZN 1 4 ZN ZN 101 C ZN 2 4 ZN ZN 101 H PEG 101 3 PEG PEG 101 I PEG 1 3 PEG PEG 101 J HOH 1 5 HOH HOH 101 A HOH 9 5 HOH HOH 201 C HOH 13 5 HOH HOH 202 C HOH 14 5 HOH HOH 101 E HOH 10 5 HOH HOH 101 F HOH 8 5 HOH HOH 101 G HOH 6 5 HOH HOH 201 H HOH 11 5 HOH HOH 201 I HOH 5 5 HOH HOH 202 I ASP 1 n 1 ASP 1 A SER 2 n 2 SER 2 A LEU 3 n 3 LEU 3 A LYS 4 n 4 LYS 4 A TRP 5 n 5 TRP 5 A ILE 6 n 6 ILE 6 A VAL 7 n 7 VAL 7 A PHE 8 n 8 PHE 8 A LEU 9 n 9 LEU 9 A LEU 10 n 10 LEU 10 A PHE 11 n 11 PHE 11 A LEU 12 n 12 LEU 12 A SER 13 n 13 SER 13 A VAL 14 n 14 VAL 14 A LEU 15 n 15 LEU 15 A LEU 16 n 16 LEU 16 A GLN 17 n 17 GLN 17 A LEU 18 n 18 LEU 18 A ALA 19 n 19 ALA 19 A ILE 20 n 20 ILE 20 A VAL 21 n 21 VAL 21 A PHE 22 n 22 PHE 22 A LEU 23 n 23 LEU 23 A LEU 24 n 24 LEU 24 A ARG 25 n 25 ARG 25 A GLY 26 n 26 GLY 26 A ASP 1 n 1 ASP 1 B SER 2 n 2 SER 2 B LEU 3 n 3 LEU 3 B LYS 4 n 4 LYS 4 B TRP 5 n 5 TRP 5 B ILE 6 n 6 ILE 6 B VAL 7 n 7 VAL 7 B PHE 8 n 8 PHE 8 B LEU 9 n 9 LEU 9 B LEU 10 n 10 LEU 10 B PHE 11 n 11 PHE 11 B LEU 12 n 12 LEU 12 B SER 13 n 13 SER 13 B VAL 14 n 14 VAL 14 B LEU 15 n 15 LEU 15 B LEU 16 n 16 LEU 16 B GLN 17 n 17 GLN 17 B LEU 18 n 18 LEU 18 B ALA 19 n 19 ALA 19 B ILE 20 n 20 ILE 20 B VAL 21 n 21 VAL 21 B PHE 22 n 22 PHE 22 B LEU 23 n 23 LEU 23 B LEU 24 n 24 LEU 24 B ARG 25 n 25 ARG 25 B GLY 26 n 26 GLY 26 B ASP 1 n 1 ASP 1 C SER 2 n 2 SER 2 C LEU 3 n 3 LEU 3 C LYS 4 n 4 LYS 4 C TRP 5 n 5 TRP 5 C ILE 6 n 6 ILE 6 C VAL 7 n 7 VAL 7 C PHE 8 n 8 PHE 8 C LEU 9 n 9 LEU 9 C LEU 10 n 10 LEU 10 C PHE 11 n 11 PHE 11 C LEU 12 n 12 LEU 12 C SER 13 n 13 SER 13 C VAL 14 n 14 VAL 14 C LEU 15 n 15 LEU 15 C LEU 16 n 16 LEU 16 C GLN 17 n 17 GLN 17 C LEU 18 n 18 LEU 18 C ALA 19 n 19 ALA 19 C ILE 20 n 20 ILE 20 C VAL 21 n 21 VAL 21 C PHE 22 n 22 PHE 22 C LEU 23 n 23 LEU 23 C LEU 24 n 24 LEU 24 C ARG 25 n 25 ARG 25 C GLY 26 n 26 GLY 26 C ASP 1 n 1 ASP 1 D SER 2 n 2 SER 2 D LEU 3 n 3 LEU 3 D LYS 4 n 4 LYS 4 D TRP 5 n 5 TRP 5 D ILE 6 n 6 ILE 6 D VAL 7 n 7 VAL 7 D PHE 8 n 8 PHE 8 D LEU 9 n 9 LEU 9 D LEU 10 n 10 LEU 10 D PHE 11 n 11 PHE 11 D LEU 12 n 12 LEU 12 D SER 13 n 13 SER 13 D VAL 14 n 14 VAL 14 D LEU 15 n 15 LEU 15 D LEU 16 n 16 LEU 16 D GLN 17 n 17 GLN 17 D LEU 18 n 18 LEU 18 D ALA 19 n 19 ALA 19 D ILE 20 n 20 ILE 20 D VAL 21 n 21 VAL 21 D PHE 22 n 22 PHE 22 D LEU 23 n 23 LEU 23 D LEU 24 n 24 LEU 24 D ARG 25 n 25 ARG 25 D GLY 26 n 26 GLY 26 D ASP 1 n 1 ASP 1 E SER 2 n 2 SER 2 E LEU 3 n 3 LEU 3 E LYS 4 n 4 LYS 4 E TRP 5 n 5 TRP 5 E ILE 6 n 6 ILE 6 E VAL 7 n 7 VAL 7 E PHE 8 n 8 PHE 8 E LEU 9 n 9 LEU 9 E LEU 10 n 10 LEU 10 E PHE 11 n 11 PHE 11 E LEU 12 n 12 LEU 12 E SER 13 n 13 SER 13 E VAL 14 n 14 VAL 14 E LEU 15 n 15 LEU 15 E LEU 16 n 16 LEU 16 E GLN 17 n 17 GLN 17 E LEU 18 n 18 LEU 18 E ALA 19 n 19 ALA 19 E ILE 20 n 20 ILE 20 E VAL 21 n 21 VAL 21 E PHE 22 n 22 PHE 22 E LEU 23 n 23 LEU 23 E LEU 24 n 24 LEU 24 E ARG 25 n 25 ARG 25 E GLY 26 n 26 GLY 26 E ASP 1 n 1 ASP 1 F SER 2 n 2 SER 2 F LEU 3 n 3 LEU 3 F LYS 4 n 4 LYS 4 F TRP 5 n 5 TRP 5 F ILE 6 n 6 ILE 6 F VAL 7 n 7 VAL 7 F PHE 8 n 8 PHE 8 F LEU 9 n 9 LEU 9 F LEU 10 n 10 LEU 10 F PHE 11 n 11 PHE 11 F LEU 12 n 12 LEU 12 F SER 13 n 13 SER 13 F VAL 14 n 14 VAL 14 F LEU 15 n 15 LEU 15 F LEU 16 n 16 LEU 16 F GLN 17 n 17 GLN 17 F LEU 18 n 18 LEU 18 F ALA 19 n 19 ALA 19 F ILE 20 n 20 ILE 20 F VAL 21 n 21 VAL 21 F PHE 22 n 22 PHE 22 F LEU 23 n 23 LEU 23 F LEU 24 n 24 LEU 24 F ARG 25 n 25 ARG 25 F n 26 26 F ASP 1 n 1 ASP 1 G SER 2 n 2 SER 2 G LEU 3 n 3 LEU 3 G LYS 4 n 4 LYS 4 G TRP 5 n 5 TRP 5 G ILE 6 n 6 ILE 6 G VAL 7 n 7 VAL 7 G PHE 8 n 8 PHE 8 G LEU 9 n 9 LEU 9 G LEU 10 n 10 LEU 10 G PHE 11 n 11 PHE 11 G LEU 12 n 12 LEU 12 G SER 13 n 13 SER 13 G VAL 14 n 14 VAL 14 G LEU 15 n 15 LEU 15 G LEU 16 n 16 LEU 16 G GLN 17 n 17 GLN 17 G LEU 18 n 18 LEU 18 G ALA 19 n 19 ALA 19 G ILE 20 n 20 ILE 20 G VAL 21 n 21 VAL 21 G PHE 22 n 22 PHE 22 G LEU 23 n 23 LEU 23 G LEU 24 n 24 LEU 24 G ARG 25 n 25 ARG 25 G GLY 26 n 26 GLY 26 G ASP 1 n 1 ASP 1 H SER 2 n 2 SER 2 H LEU 3 n 3 LEU 3 H LYS 4 n 4 LYS 4 H TRP 5 n 5 TRP 5 H ILE 6 n 6 ILE 6 H VAL 7 n 7 VAL 7 H PHE 8 n 8 PHE 8 H LEU 9 n 9 LEU 9 H LEU 10 n 10 LEU 10 H PHE 11 n 11 PHE 11 H LEU 12 n 12 LEU 12 H SER 13 n 13 SER 13 H VAL 14 n 14 VAL 14 H LEU 15 n 15 LEU 15 H LEU 16 n 16 LEU 16 H GLN 17 n 17 GLN 17 H LEU 18 n 18 LEU 18 H ALA 19 n 19 ALA 19 H ILE 20 n 20 ILE 20 H VAL 21 n 21 VAL 21 H PHE 22 n 22 PHE 22 H LEU 23 n 23 LEU 23 H LEU 24 n 24 LEU 24 H ARG 25 n 25 ARG 25 H n 26 26 H ASP 1 n 1 ASP 1 I SER 2 n 2 SER 2 I LEU 3 n 3 LEU 3 I LYS 4 n 4 LYS 4 I TRP 5 n 5 TRP 5 I ILE 6 n 6 ILE 6 I VAL 7 n 7 VAL 7 I PHE 8 n 8 PHE 8 I LEU 9 n 9 LEU 9 I LEU 10 n 10 LEU 10 I PHE 11 n 11 PHE 11 I LEU 12 n 12 LEU 12 I SER 13 n 13 SER 13 I VAL 14 n 14 VAL 14 I LEU 15 n 15 LEU 15 I LEU 16 n 16 LEU 16 I GLN 17 n 17 GLN 17 I LEU 18 n 18 LEU 18 I ALA 19 n 19 ALA 19 I ILE 20 n 20 ILE 20 I VAL 21 n 21 VAL 21 I PHE 22 n 22 PHE 22 I LEU 23 n 23 LEU 23 I LEU 24 n 24 LEU 24 I ARG 25 n 25 ARG 25 I n 26 26 I ASP 1 n 1 ASP 1 J SER 2 n 2 SER 2 J LEU 3 n 3 LEU 3 J LYS 4 n 4 LYS 4 J TRP 5 n 5 TRP 5 J ILE 6 n 6 ILE 6 J VAL 7 n 7 VAL 7 J PHE 8 n 8 PHE 8 J LEU 9 n 9 LEU 9 J LEU 10 n 10 LEU 10 J PHE 11 n 11 PHE 11 J LEU 12 n 12 LEU 12 J SER 13 n 13 SER 13 J VAL 14 n 14 VAL 14 J LEU 15 n 15 LEU 15 J LEU 16 n 16 LEU 16 J GLN 17 n 17 GLN 17 J LEU 18 n 18 LEU 18 J ALA 19 n 19 ALA 19 J ILE 20 n 20 ILE 20 J VAL 21 n 21 VAL 21 J PHE 22 n 22 PHE 22 J LEU 23 n 23 LEU 23 J LEU 24 n 24 LEU 24 J ARG 25 n 25 ARG 25 J GLY 26 n 26 GLY 26 J author_and_software_defined_assembly PISA 5 pentameric author_and_software_defined_assembly PISA 5 pentameric Assembly was experimentally validated using denaturing SDS-PAGE gel electrophoresis none 6580 -78 7670 6700 -76 7630 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 A CG ARG 25 A CG ARG 25 1 Y 1 A CD ARG 25 A CD ARG 25 1 Y 1 A NE ARG 25 A NE ARG 25 1 Y 1 A CZ ARG 25 A CZ ARG 25 1 Y 1 A NH1 ARG 25 A NH1 ARG 25 1 Y 1 A NH2 ARG 25 A NH2 ARG 25 1 Y 1 B CG ARG 25 B CG ARG 25 1 Y 1 B CD ARG 25 B CD ARG 25 1 Y 1 B NE ARG 25 B NE ARG 25 1 Y 1 B CZ ARG 25 B CZ ARG 25 1 Y 1 B NH1 ARG 25 B NH1 ARG 25 1 Y 1 B NH2 ARG 25 B NH2 ARG 25 1 Y 1 F GLY 26 F GLY 26 1 Y 1 H GLY 26 H GLY 26 1 Y 1 I GLY 26 I GLY 26 1 Y 1 -18.64 2.00 110.40 91.76 D D D CB CA C ASP ASP ASP 1 1 1 N 1 12.14 2.00 110.40 122.54 E E E CB CA C ASP ASP ASP 1 1 1 N 1 13.03 2.00 110.40 123.43 J J J CB CA C ASP ASP ASP 1 1 1 N 1 A ARG 25 -66.36 3.25 1 B ARG 25 -67.41 1.16 1 C ARG 25 -69.59 95.62 48.385 0.657 0.000 -0.000 -0.962 0.000 0.304 0.947 0.920 Hydrogens have not been used 0.2783 0.2424 0.244 2.800 61.014 354 7025 7379 4.797 91.881 14.517 0.292 RANDOM 1 FREE R-VALUE MOLECULAR REPLACEMENT 0.453 0.800 0.800 1.200 MASK BULK SOLVENT 2.800 61.014 9 2173 48 0 2116 0.008 0.012 2198 1.829 1.787 2961 3.916 5.000 247 5.041 5.000 10 17.253 10.000 404 15.811 10.000 68 0.142 0.200 391 0.008 0.020 1474 0.219 0.200 1002 0.318 0.200 1527 0.068 0.200 66 0.428 0.200 97 0.282 0.200 5 5.376 4.360 1020 8.505 7.722 1256 7.040 5.162 1178 10.544 9.216 1705 15.374 72.023 3431 0.091 0.050 778 0.117 0.050 746 0.073 0.050 767 0.106 0.050 762 0.067 0.050 737 0.075 0.050 774 0.085 0.050 724 0.082 0.050 724 0.115 0.050 761 0.112 0.050 746 0.099 0.050 764 0.099 0.050 760 0.081 0.050 733 0.060 0.050 781 0.083 0.050 727 0.087 0.050 724 0.093 0.050 763 0.112 0.050 760 0.105 0.050 758 0.086 0.050 728 0.125 0.050 751 0.063 0.050 728 0.071 0.050 722 0.100 0.050 754 0.116 0.050 761 0.086 0.050 723 0.087 0.050 773 0.066 0.050 730 0.075 0.050 728 0.121 0.050 762 0.088 0.050 734 0.109 0.050 771 0.087 0.050 720 0.096 0.050 722 0.053 0.050 786 0.072 0.050 736 0.097 0.050 746 0.102 0.050 749 0.089 0.050 732 0.082 0.050 722 0.081 0.050 723 0.110 0.050 771 0.081 0.050 747 0.085 0.050 720 0.096 0.050 722 1 A 1 X-RAY DIFFRACTION Local ncs 0.09124 0.05006 2 B 1 X-RAY DIFFRACTION Local ncs 0.09124 0.05006 3 A 2 X-RAY DIFFRACTION Local ncs 0.11679 0.05005 4 C 2 X-RAY DIFFRACTION Local ncs 0.11679 0.05005 5 A 3 X-RAY DIFFRACTION Local ncs 0.07277 0.05006 6 D 3 X-RAY DIFFRACTION Local ncs 0.07277 0.05006 7 A 4 X-RAY DIFFRACTION Local ncs 0.10602 0.05006 8 E 4 X-RAY DIFFRACTION Local ncs 0.10602 0.05006 9 A 5 X-RAY DIFFRACTION Local ncs 0.06669 0.05006 10 F 5 X-RAY DIFFRACTION Local ncs 0.06669 0.05006 11 A 6 X-RAY DIFFRACTION Local ncs 0.07518 0.05006 12 G 6 X-RAY DIFFRACTION Local ncs 0.07518 0.05006 13 A 7 X-RAY DIFFRACTION Local ncs 0.08532 0.05006 14 H 7 X-RAY DIFFRACTION Local ncs 0.08532 0.05006 15 A 8 X-RAY DIFFRACTION Local ncs 0.08233 0.05006 16 I 8 X-RAY DIFFRACTION Local ncs 0.08233 0.05006 17 A 9 X-RAY DIFFRACTION Local ncs 0.11484 0.05006 18 J 9 X-RAY DIFFRACTION Local ncs 0.11484 0.05006 19 B 10 X-RAY DIFFRACTION Local ncs 0.11178 0.05005 20 C 10 X-RAY DIFFRACTION Local ncs 0.11178 0.05005 21 B 11 X-RAY DIFFRACTION Local ncs 0.09850 0.05006 22 D 11 X-RAY DIFFRACTION Local ncs 0.09850 0.05006 23 B 12 X-RAY DIFFRACTION Local ncs 0.09920 0.05006 24 E 12 X-RAY DIFFRACTION Local ncs 0.09920 0.05006 25 B 13 X-RAY DIFFRACTION Local ncs 0.08138 0.05006 26 F 13 X-RAY DIFFRACTION Local ncs 0.08138 0.05006 27 B 14 X-RAY DIFFRACTION Local ncs 0.06033 0.05006 28 G 14 X-RAY DIFFRACTION Local ncs 0.06033 0.05006 29 B 15 X-RAY DIFFRACTION Local ncs 0.08326 0.05006 30 H 15 X-RAY DIFFRACTION Local ncs 0.08326 0.05006 31 B 16 X-RAY DIFFRACTION Local ncs 0.08660 0.05006 32 I 16 X-RAY DIFFRACTION Local ncs 0.08660 0.05006 33 B 17 X-RAY DIFFRACTION Local ncs 0.09315 0.05006 34 J 17 X-RAY DIFFRACTION Local ncs 0.09315 0.05006 35 C 18 X-RAY DIFFRACTION Local ncs 0.11160 0.05005 36 D 18 X-RAY DIFFRACTION Local ncs 0.11160 0.05005 37 C 19 X-RAY DIFFRACTION Local ncs 0.10468 0.05005 38 E 19 X-RAY DIFFRACTION Local ncs 0.10468 0.05005 39 C 20 X-RAY DIFFRACTION Local ncs 0.08561 0.05005 40 F 20 X-RAY DIFFRACTION Local ncs 0.08561 0.05005 41 C 21 X-RAY DIFFRACTION Local ncs 0.12470 0.05005 42 G 21 X-RAY DIFFRACTION Local ncs 0.12470 0.05005 43 C 22 X-RAY DIFFRACTION Local ncs 0.06309 0.05006 44 H 22 X-RAY DIFFRACTION Local ncs 0.06309 0.05006 45 C 23 X-RAY DIFFRACTION Local ncs 0.07066 0.05005 46 I 23 X-RAY DIFFRACTION Local ncs 0.07066 0.05005 47 C 24 X-RAY DIFFRACTION Local ncs 0.09952 0.05005 48 J 24 X-RAY DIFFRACTION Local ncs 0.09952 0.05005 49 D 25 X-RAY DIFFRACTION Local ncs 0.11586 0.05006 50 E 25 X-RAY DIFFRACTION Local ncs 0.11586 0.05006 51 D 26 X-RAY DIFFRACTION Local ncs 0.08566 0.05006 52 F 26 X-RAY DIFFRACTION Local ncs 0.08566 0.05006 53 D 27 X-RAY DIFFRACTION Local ncs 0.08729 0.05006 54 G 27 X-RAY DIFFRACTION Local ncs 0.08729 0.05006 55 D 28 X-RAY DIFFRACTION Local ncs 0.06561 0.05006 56 H 28 X-RAY DIFFRACTION Local ncs 0.06561 0.05006 57 D 29 X-RAY DIFFRACTION Local ncs 0.07548 0.05005 58 I 29 X-RAY DIFFRACTION Local ncs 0.07548 0.05005 59 D 30 X-RAY DIFFRACTION Local ncs 0.12109 0.05005 60 J 30 X-RAY DIFFRACTION Local ncs 0.12109 0.05005 61 E 31 X-RAY DIFFRACTION Local ncs 0.08849 0.05005 62 F 31 X-RAY DIFFRACTION Local ncs 0.08849 0.05005 63 E 32 X-RAY DIFFRACTION Local ncs 0.10880 0.05006 64 G 32 X-RAY DIFFRACTION Local ncs 0.10880 0.05006 65 E 33 X-RAY DIFFRACTION Local ncs 0.08685 0.05005 66 H 33 X-RAY DIFFRACTION Local ncs 0.08685 0.05005 67 E 34 X-RAY DIFFRACTION Local ncs 0.09612 0.05005 68 I 34 X-RAY DIFFRACTION Local ncs 0.09612 0.05005 69 E 35 X-RAY DIFFRACTION Local ncs 0.05297 0.05006 70 J 35 X-RAY DIFFRACTION Local ncs 0.05297 0.05006 71 F 36 X-RAY DIFFRACTION Local ncs 0.07192 0.05006 72 G 36 X-RAY DIFFRACTION Local ncs 0.07192 0.05006 73 F 37 X-RAY DIFFRACTION Local ncs 0.09710 0.05006 74 H 37 X-RAY DIFFRACTION Local ncs 0.09710 0.05006 75 F 38 X-RAY DIFFRACTION Local ncs 0.10182 0.05005 76 I 38 X-RAY DIFFRACTION Local ncs 0.10182 0.05005 77 F 39 X-RAY DIFFRACTION Local ncs 0.08874 0.05005 78 J 39 X-RAY DIFFRACTION Local ncs 0.08874 0.05005 79 G 40 X-RAY DIFFRACTION Local ncs 0.08244 0.05006 80 H 40 X-RAY DIFFRACTION Local ncs 0.08244 0.05006 81 G 41 X-RAY DIFFRACTION Local ncs 0.08060 0.05005 82 I 41 X-RAY DIFFRACTION Local ncs 0.08060 0.05005 83 G 42 X-RAY DIFFRACTION Local ncs 0.11017 0.05005 84 J 42 X-RAY DIFFRACTION Local ncs 0.11017 0.05005 85 H 43 X-RAY DIFFRACTION Local ncs 0.08082 0.05005 86 I 43 X-RAY DIFFRACTION Local ncs 0.08082 0.05005 87 H 44 X-RAY DIFFRACTION Local ncs 0.08515 0.05005 88 J 44 X-RAY DIFFRACTION Local ncs 0.08515 0.05005 89 I 45 X-RAY DIFFRACTION Local ncs 0.09622 0.05005 90 J 45 X-RAY DIFFRACTION Local ncs 0.09622 0.05005 0.307 0.272 0.274 2.873 30 532 567 0.936 0.951 20 99.1182 0.242 0.305 0.258 0.260 2.951 21 546 580 0.941 0.961 20 97.7586 0.225 0.224 0.256 0.254 3.036 18 484 532 0.975 0.962 20 94.3609 0.216 0.246 0.233 0.234 3.130 38 478 546 0.970 0.971 20 94.5055 0.189 0.331 0.217 0.224 3.232 28 482 512 0.958 0.977 20 99.6094 0.169 0.241 0.209 0.211 3.345 33 466 501 0.962 0.979 20 99.6008 0.163 0.279 0.214 0.216 3.471 14 307 495 0.973 0.974 20 64.8485 0.165 0.261 0.232 0.234 3.612 25 431 456 0.965 0.973 20 100.0000 0.186 0.133 0.213 0.211 3.772 7 279 466 0.983 0.974 20 61.3734 0.178 0.278 0.241 0.242 3.956 19 250 421 0.940 0.971 20 63.8955 0.217 0.211 0.234 0.233 4.169 19 400 421 0.973 0.970 20 99.5249 0.206 0.263 0.244 0.245 4.420 16 369 387 0.973 0.975 20 99.4832 0.222 0.271 0.251 0.252 4.724 16 349 370 0.966 0.972 20 98.6487 0.233 0.176 0.227 0.225 5.100 12 329 354 0.979 0.971 20 96.3277 0.211 0.369 0.247 0.252 5.582 13 299 324 0.936 0.967 20 96.2963 0.217 0.352 0.318 0.319 6.235 10 258 292 0.944 0.953 20 91.7808 0.251 0.463 0.309 0.317 7.187 16 252 269 0.956 0.963 20 99.6283 0.264 0.434 0.196 0.201 8.772 8 219 228 0.842 0.988 20 99.5614 0.217 0.343 0.216 0.221 12.279 10 175 186 0.967 0.975 20 99.4624 0.230 0.311 0.321 0.321 61.014 1 114 118 0.955 20 97.4576 0.377 2.24 61.014 12KI 14299 0.999 1 4.8 6.5 92.7 2.24 2.31 0.5 1141 0.406 1 6.5 81.3 refinement REFMAC 5.8.0431 (refmacat 0.4.126) data scaling Aimless 0.8.2 data reduction DIALS 3.23.0-g7aff524e7-release phasing PHASER 2.8.3 N Designed pentameric proton channel LLQL I13S 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 2 N N 3 N N 4 N N 4 N N 3 N N 3 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N A ASP 1 A ASP 1 HELX_P A ARG 25 A ARG 25 1 AA1 25 B SER 2 B SER 2 HELX_P B ARG 25 B ARG 25 1 AA2 24 C SER 2 C SER 2 HELX_P C LEU 24 C LEU 24 1 AA3 23 D SER 2 D SER 2 HELX_P D ARG 25 D ARG 25 1 AA4 24 E SER 2 E SER 2 HELX_P E LEU 24 E LEU 24 1 AA5 23 F SER 2 F SER 2 HELX_P F LEU 24 F LEU 24 1 AA6 23 G SER 2 G SER 2 HELX_P G ARG 25 G ARG 25 1 AA7 24 H SER 2 H SER 2 HELX_P H ARG 25 H ARG 25 1 AA8 24 I SER 2 I SER 2 HELX_P I ARG 25 I ARG 25 1 AA9 24 J SER 2 J SER 2 HELX_P J LEU 24 J LEU 24 1 AB1 23 MEMBRANE PROTEIN proton channel, helical bundle, membrane protein, designed protein A B A C A D A E A F A G A H A I A J B C B D B E B F B G B H B I B J C D C E C F C G C H C I C J D E D F D G D H D I D J E F E G E H E I E J F G F H F I F J G H G I G J H I H J I J A ASP 1 A ASP 1 A GLY 26 A GLY 26 B ASP 1 B ASP 1 B GLY 26 B GLY 26 A ASP 1 A ASP 1 A GLY 26 A GLY 26 C ASP 1 C ASP 1 C GLY 26 C GLY 26 A ASP 1 A ASP 1 A GLY 26 A GLY 26 D ASP 1 D ASP 1 D GLY 26 D GLY 26 A ASP 1 A ASP 1 A GLY 26 A GLY 26 E ASP 1 E ASP 1 E GLY 26 E GLY 26 A ASP 1 A ASP 1 A LEU 24 A LEU 24 F ASP 1 F ASP 1 F LEU 24 F LEU 24 A ASP 1 A ASP 1 A GLY 26 A GLY 26 G ASP 1 G ASP 1 G GLY 26 G GLY 26 A ASP 1 A ASP 1 A LEU 24 A LEU 24 H ASP 1 H ASP 1 H LEU 24 H LEU 24 A ASP 1 A ASP 1 A LEU 24 A LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 A ASP 1 A ASP 1 A GLY 26 A GLY 26 J ASP 1 J ASP 1 J GLY 26 J GLY 26 B ASP 1 B ASP 1 B GLY 26 B GLY 26 C ASP 1 C ASP 1 C GLY 26 C GLY 26 B ASP 1 B ASP 1 B GLY 26 B GLY 26 D ASP 1 D ASP 1 D GLY 26 D GLY 26 B ASP 1 B ASP 1 B GLY 26 B GLY 26 E ASP 1 E ASP 1 E GLY 26 E GLY 26 B ASP 1 B ASP 1 B LEU 24 B LEU 24 F ASP 1 F ASP 1 F LEU 24 F LEU 24 B ASP 1 B ASP 1 B GLY 26 B GLY 26 G ASP 1 G ASP 1 G GLY 26 G GLY 26 B ASP 1 B ASP 1 B LEU 24 B LEU 24 H ASP 1 H ASP 1 H LEU 24 H LEU 24 B ASP 1 B ASP 1 B LEU 24 B LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 B ASP 1 B ASP 1 B GLY 26 B GLY 26 J ASP 1 J ASP 1 J GLY 26 J GLY 26 C ASP 1 C ASP 1 C GLY 26 C GLY 26 D ASP 1 D ASP 1 D GLY 26 D GLY 26 C ASP 1 C ASP 1 C GLY 26 C GLY 26 E ASP 1 E ASP 1 E GLY 26 E GLY 26 C ASP 1 C ASP 1 C LEU 24 C LEU 24 F ASP 1 F ASP 1 F LEU 24 F LEU 24 C ASP 1 C ASP 1 C GLY 26 C GLY 26 G ASP 1 G ASP 1 G GLY 26 G GLY 26 C ASP 1 C ASP 1 C LEU 24 C LEU 24 H ASP 1 H ASP 1 H LEU 24 H LEU 24 C ASP 1 C ASP 1 C LEU 24 C LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 C ASP 1 C ASP 1 C GLY 26 C GLY 26 J ASP 1 J ASP 1 J GLY 26 J GLY 26 D ASP 1 D ASP 1 D GLY 26 D GLY 26 E ASP 1 E ASP 1 E GLY 26 E GLY 26 D ASP 1 D ASP 1 D LEU 24 D LEU 24 F ASP 1 F ASP 1 F LEU 24 F LEU 24 D ASP 1 D ASP 1 D GLY 26 D GLY 26 G ASP 1 G ASP 1 G GLY 26 G GLY 26 D ASP 1 D ASP 1 D LEU 24 D LEU 24 H ASP 1 H ASP 1 H LEU 24 H LEU 24 D ASP 1 D ASP 1 D LEU 24 D LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 D ASP 1 D ASP 1 D GLY 26 D GLY 26 J ASP 1 J ASP 1 J GLY 26 J GLY 26 E ASP 1 E ASP 1 E LEU 24 E LEU 24 F ASP 1 F ASP 1 F LEU 24 F LEU 24 E ASP 1 E ASP 1 E GLY 26 E GLY 26 G ASP 1 G ASP 1 G GLY 26 G GLY 26 E ASP 1 E ASP 1 E LEU 24 E LEU 24 H ASP 1 H ASP 1 H LEU 24 H LEU 24 E ASP 1 E ASP 1 E LEU 24 E LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 E ASP 1 E ASP 1 E GLY 26 E GLY 26 J ASP 1 J ASP 1 J GLY 26 J GLY 26 F ASP 1 F ASP 1 F LEU 24 F LEU 24 G ASP 1 G ASP 1 G LEU 24 G LEU 24 F ASP 1 F ASP 1 F ARG 25 F ARG 25 H ASP 1 H ASP 1 H ARG 25 H ARG 25 F ASP 1 F ASP 1 F ARG 25 F ARG 25 I ASP 1 I ASP 1 I ARG 25 I ARG 25 F ASP 1 F ASP 1 F LEU 24 F LEU 24 J ASP 1 J ASP 1 J LEU 24 J LEU 24 G ASP 1 G ASP 1 G LEU 24 G LEU 24 H ASP 1 H ASP 1 H LEU 24 H LEU 24 G ASP 1 G ASP 1 G LEU 24 G LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 G ASP 1 G ASP 1 G GLY 26 G GLY 26 J ASP 1 J ASP 1 J GLY 26 J GLY 26 H ASP 1 H ASP 1 H ARG 25 H ARG 25 I ASP 1 I ASP 1 I ARG 25 I ARG 25 H ASP 1 H ASP 1 H LEU 24 H LEU 24 J ASP 1 J ASP 1 J LEU 24 J LEU 24 I ASP 1 I ASP 1 I LEU 24 I LEU 24 J ASP 1 J ASP 1 J LEU 24 J LEU 24 Local NCS retraints between domains: 1 2 Local NCS retraints between domains: 3 4 Local NCS retraints between domains: 5 6 Local NCS retraints between domains: 7 8 Local NCS retraints between domains: 9 10 Local NCS retraints between domains: 11 12 Local NCS retraints between domains: 13 14 Local NCS retraints between domains: 15 16 Local NCS retraints between domains: 17 18 Local NCS retraints between domains: 19 20 Local NCS retraints between domains: 21 22 Local NCS retraints between domains: 23 24 Local NCS retraints between domains: 25 26 Local NCS retraints between domains: 27 28 Local NCS retraints between domains: 29 30 Local NCS retraints between domains: 31 32 Local NCS retraints between domains: 33 34 Local NCS retraints between domains: 35 36 Local NCS retraints between domains: 37 38 Local NCS retraints between domains: 39 40 Local NCS retraints between domains: 41 42 Local NCS retraints between domains: 43 44 Local NCS retraints between domains: 45 46 Local NCS retraints between domains: 47 48 Local NCS retraints between domains: 49 50 Local NCS retraints between domains: 51 52 Local NCS retraints between domains: 53 54 Local NCS retraints between domains: 55 56 Local NCS retraints between domains: 57 58 Local NCS retraints between domains: 59 60 Local NCS retraints between domains: 61 62 Local NCS retraints between domains: 63 64 Local NCS retraints between domains: 65 66 Local NCS retraints between domains: 67 68 Local NCS retraints between domains: 69 70 Local NCS retraints between domains: 71 72 Local NCS retraints between domains: 73 74 Local NCS retraints between domains: 75 76 Local NCS retraints between domains: 77 78 Local NCS retraints between domains: 79 80 Local NCS retraints between domains: 81 82 Local NCS retraints between domains: 83 84 Local NCS retraints between domains: 85 86 Local NCS retraints between domains: 87 88 Local NCS retraints between domains: 89 90 12KI PDB 1 1 12KI 1 26 12KI 1 26 12KI A 1 1 26 1 26 12KI 1 26 12KI B 1 1 26 1 26 12KI 1 26 12KI C 1 1 26 1 26 12KI 1 26 12KI D 1 1 26 1 26 12KI 1 26 12KI E 1 1 26 1 26 12KI 1 26 12KI F 1 1 26 1 26 12KI 1 26 12KI G 1 1 26 1 26 12KI 1 26 12KI H 1 1 26 1 26 12KI 1 26 12KI I 1 1 26 1 26 12KI 1 26 12KI J 1 1 26 19 P 21 21 21