CryoEM structure of P-Glycoprotein in occluded closed state under continuous turnover conditions with verapamil. Determined by electron microscopy at 4.1 Å resolution. Released 23 Apr 2025.
Explore 8SA0 in 3D Show helices and sheets RCSB PDB PDBe
8SA0 contains 48 α-helices and 25 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 45-83 | 39 | |
| α-helix | 108-157 | 50 | |
| α-helix | 160-165 | 6 | |
| α-helix | 168-187 | 20 | |
| α-helix | 189-209 | 21 | |
| α-helix | 213-237 | 25 | |
| α-helix | 240-259 | 20 | |
| α-helix | 261-267 | 7 | |
| α-helix | 270-313 | 44 | |
| α-helix | 317-319 | 3 | |
| α-helix | 328-369 | 42 | |
| β-strand | 391-399 | 9 | 1 |
| β-strand | 410-411 | 2 | 1 |
| β-strand | 414-418 | 5 | 1 |
| β-strand | 422-427 | 6 | 2 |
| α-helix | 433-441 | 9 | |
| β-strand | 448-453 | 6 | 1 |
| β-strand | 456-457 | 2 | 1 |
| α-helix | 458-467 | 10 | |
| β-strand | 472 | 1 | 2 |
| β-strand | 483 | 1 | 3 |
| α-helix | 484-491 | 8 | |
| α-helix | 498-507 | 10 | |
| α-helix | 511-515 | 5 | |
| β-strand | 523 | 1 | 3 |
| α-helix | 526-528 | 3 | |
| α-helix | 533-546 | 14 | |
| β-strand | 551-555 | 5 | 2 |
| α-helix | 564-575 | 12 | |
| β-strand | 581-585 | 5 | 2 |
| α-helix | 589-594 | 6 | |
| β-strand | 597-602 | 6 | 2 |
| β-strand | 605-610 | 6 | 2 |
| α-helix | 612-617 | 6 | |
| α-helix | 621-629 | 9 | |
| α-helix | 697-700 | 4 | |
| α-helix | 704-743 | 40 | |
| α-helix | 748-797 | 50 | |
| α-helix | 801-804 | 4 | |
| α-helix | 807-809 | 3 | |
| α-helix | 811-819 | 9 | |
| α-helix | 822-826 | 5 | |
| α-helix | 827-831 | 5 | |
| α-helix | 832-852 | 21 | |
| α-helix | 857-873 | 17 | |
| α-helix | 879-902 | 24 | |
| α-helix | 904-909 | 6 | |
| α-helix | 913-965 | 53 | |
| α-helix | 971-994 | 24 | |
| α-helix | 1001-1013 | 13 | |
| β-strand | 1026 | 1 | 4 |
| β-strand | 1035-1041 | 7 | 5 |
| β-strand | 1056-1060 | 5 | 5 |
| β-strand | 1065-1070 | 6 | 6 |
| α-helix | 1076-1083 | 8 | |
| β-strand | 1091-1096 | 6 | 5 |
| β-strand | 1100 | 1 | 5 |
| β-strand | 1104 | 1 | 4 |
| α-helix | 1106-1111 | 6 | |
| β-strand | 1113-1116 | 4 | 6 |
| α-helix | 1127-1134 | 8 | |
| α-helix | 1142-1152 | 11 | |
| α-helix | 1155-1160 | 6 | |
| α-helix | 1164-1166 | 3 | |
| α-helix | 1178-1191 | 14 | |
| β-strand | 1196-1200 | 5 | 6 |
| α-helix | 1208-1222 | 15 | |
| β-strand | 1226-1230 | 5 | 6 |
| α-helix | 1234-1239 | 6 | |
| β-strand | 1242-1247 | 6 | 6 |
| β-strand | 1250-1255 | 6 | 6 |
| α-helix | 1257-1262 | 6 | |
| α-helix | 1266-1273 | 8 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| ATP-dependent translocase ABCB1 | A | protein | 1274 | Homo sapiens | P08183 (AlphaFold model) |
>8SA0_1 ATP-dependent translocase ABCB1 (chains A) MDLEGDRNGGAKKKNFFKLNNKSEKDKKEKKPTVSVFSMFRYSNWLDKLYMVVGTLAAII HGAGLPLMMLVFGEMTDIFANAGNLEDLMSNITNRSDINDTGFFMNLEEDMTRYAYYYSG IGAGVLVAAYIQVSFWCLAAGRQIHKIRKQFFHAIMRQEIGWFDVHDVGELNTRLTDDVS KINEGIGDKIGMFFQSMATFFTGFIVGFTRGWKLTLVILAISPVLGLSAAVWAKILSSFT DKELLAYAKAGAVAEEVLAAIRTVIAFGGQKKELERYNKNLEEAKRIGIKKAITANISIG AAFLLIYASYALAFWYGTTLVLSGEYSIGQVLTVFFSVLIGAFSVGQASPSIEAFANARG AAYEIFKIIDNKPSIDSYSKSGHKPDNIKGNLEFRNVHFSYPSRKEVKILKGLNLKVQSG QTVALVGNSGCGKSTTVQLMQRLYDPTEGMVSVDGQDIRTINVRFLREIIGVVSQEPVLF ATTIAENIRYGRENVTMDEIEKAVKEANAYDFIMKLPHKFDTLVGERGAQLSGGQKQRIA IARALVRNPKILLLDEATSALDTESEAVVQVALDKARKGRTTIVIAHRLSTVRNADVIAG FDDGVIVEKGNHDELMKEKGIYFKLVTMQTAGNEVELENAADESKSEIDALEMSSNDSRS SLIRKRSTRRSVRGSQAQDRKLSTKEALDESIPPVSFWRIMKLNLTEWPYFVVGVFCAII NGGLQPAFAIIFSKIIGVFTRIDDPETKRQNSNLFSLLFLALGIISFITFFLQGFTFGKA GEILTKRLRYMVFRSMLRQDVSWFDDPKNTTGALTTRLANDAAQVKGAIGSRLAVITQNI ANLGTGIIISFIYGWQLTLLLLAIVPIIAIAGVVEMKMLSGQALKDKKELEGSGKIATEA IENFRTVVSLTQEQKFEHMYAQSLQVPYRNSLRKAHIFGITFSFTQAMMYFSYAGCFRFG AYLVAHKLMSFEDVLLVFSAVVFGAMAVGQVSSFAPDYAKAKISAAHIIMIIEKTPLIDS YSTEGLMPNTLEGNVTFGEVVFNYPTRPDIPVLQGLSLEVKKGQTLALVGSSGCGKSTVV QLLERFYDPLAGKVLLDGKEIKRLNVQWLRAHLGIVSQEPILFDCSIAENIAYGDNSRVV SQEEIVRAAKEANIHAFIESLPNKYSTKVGDKGTQLSGGQKQRIAIARALVRQPHILLLD EATSALDTESEKVVQEALDKAREGRTCIVIAHRLSTIQNADLIVVFQNGRVKEHGTHQQL LAQKGIYFSMVSVQ
| ID | Name | Formula | Copies |
|---|---|---|---|
| ATP | Adenosine-5'-triphosphate | C10 H16 N5 O13 P3 | 2 |
| I6H | Dexverapamil | C27 H38 N2 O4 | 1 |
| MG | Magnesium ion | Mg | 2 |
Cryo-EM of human P-glycoprotein reveals an intermediate occluded conformation during active drug transport. Culbertson, A.T., Liao, M. Nat Commun (2025) 16:3619-3619. DOI 10.1038/s41467-025-58561-4 · PubMed
Other PDB entries of the same protein (UniProt P08183 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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