Human L-type voltage-gated calcium channel Cav1.2 in the presence of calciseptine, amlodipine and pinaverium at 2.9 Angstrom resolution. Determined by electron microscopy at 2.9 Å resolution. Released 6 Dec 2023.
Explore 8WE8 in 3D Show helices and sheets RCSB PDB PDBe
8WE8 contains 117 α-helices and 80 β-strands across 4 chains. 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 | 126-135 | 10 | |
| α-helix | 148-150 | 3 | |
| α-helix | 154-169 | 16 | |
| α-helix | 175-178 | 4 | |
| α-helix | 194-215 | 22 | |
| α-helix | 234-247 | 14 | |
| α-helix | 252-262 | 11 | |
| α-helix | 266-268 | 3 | |
| α-helix | 269-289 | 21 | |
| β-strand | 296-298 | 3 | 1 |
| β-strand | 332-334 | 3 | 1 |
| α-helix | 349-360 | 12 | |
| α-helix | 365-375 | 11 | |
| α-helix | 382-389 | 8 | |
| α-helix | 390-395 | 6 | |
| α-helix | 396-415 | 20 | |
| α-helix | 420-446 | 27 | |
| α-helix | 511-521 | 11 | |
| α-helix | 525-542 | 18 | |
| α-helix | 550-577 | 28 | |
| α-helix | 580-585 | 6 | |
| α-helix | 587-603 | 17 | |
| α-helix | 612-614 | 3 | |
| α-helix | 616-626 | 11 | |
| α-helix | 627-630 | 4 | |
| α-helix | 634-646 | 13 | |
| α-helix | 648-673 | 26 | |
| α-helix | 684-685 | 2 | |
| α-helix | 692-704 | 13 | |
| α-helix | 708-717 | 10 | |
| α-helix | 726-729 | 4 | |
| α-helix | 730-781 | 52 | |
| α-helix | 901-918 | 18 | |
| α-helix | 928-972 | 25 | |
| α-helix | 989-1003 | 15 | |
| α-helix | 1014-1017 | 4 | |
| α-helix | 1019-1022 | 4 | |
| α-helix | 1025-1028 | 4 | |
| α-helix | 1035-1070 | 36 | |
| β-strand | 1076-1078 | 3 | 2 |
| β-strand | 1092-1096 | 5 | 3 |
| α-helix | 1097-1099 | 3 | |
| β-strand | 1104-1108 | 5 | 3 |
| β-strand | 1111-1113 | 3 | 2 |
| α-helix | 1121-1132 | 12 | |
| α-helix | 1137-1146 | 10 | |
| α-helix | 1160-1162 | 3 | |
| α-helix | 1163-1169 | 7 | |
| α-helix | 1170-1177 | 8 | |
| α-helix | 1178-1190 | 13 | |
| α-helix | 1194-1196 | 3 | |
| α-helix | 1206-1214 | 9 | |
| α-helix | 1229-1236 | 8 | |
| α-helix | 1239-1256 | 18 | |
| α-helix | 1265-1291 | 27 | |
| α-helix | 1294-1298 | 5 | |
| α-helix | 1302-1321 | 20 | |
| α-helix | 1376-1378 | 3 | |
| α-helix | 1379-1382 | 4 | |
| α-helix | 1385-1388 | 4 | |
| α-helix | 1392-1407 | 16 | |
| α-helix | 1410-1430 | 21 | |
| β-strand | 1433 | 1 | 4 |
| α-helix | 1450-1462 | 13 | |
| α-helix | 1466-1472 | 7 | |
| β-strand | 1477 | 1 | 5 |
| β-strand | 1479 | 1 | 4 |
| β-strand | 1495 | 1 | 5 |
| α-helix | 1500-1525 | 26 | |
| α-helix | 1527-1530 | 4 | |
| α-helix | 1539-1550 | 12 | |
| α-helix | 1564-1571 | 8 | |
| α-helix | 1586-1593 | 8 | |
| α-helix | 1606-1617 | 12 | |
| α-helix | 1626-1633 | 8 | |
| α-helix | 1638-1639 | 2 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 23-27 | 5 | 27 |
| β-strand | 34-37 | 4 | 27 |
| α-helix | 42-44 | 3 | |
| β-strand | 48-52 | 5 | 27 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 40-51 | 12 | |
| α-helix | 58-60 | 3 | |
| β-strand | 63-66 | 4 | 24 |
| β-strand | 91-93 | 3 | 24 |
| β-strand | 94-97 | 4 | 25 |
| β-strand | 103-107 | 5 | 25 |
| β-strand | 116-119 | 4 | 25 |
| α-helix | 121-132 | 12 | |
| β-strand | 171-174 | 4 | 24 |
| β-strand | 180-183 | 4 | 26 |
| α-helix | 193-207 | 15 | |
| β-strand | 213-214 | 2 | 26 |
| α-helix | 252-262 | 11 | |
| β-strand | 267-268 | 2 | 26 |
| β-strand | 288-291 | 4 | 26 |
| α-helix | 298-306 | 9 | |
| α-helix | 315-327 | 13 | |
| β-strand | 335-336 | 2 | 26 |
| α-helix | 342-359 | 18 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 30-52 | 23 | |
| α-helix | 54-63 | 10 | |
| α-helix | 65-67 | 3 | |
| β-strand | 68-72 | 5 | 6 |
| α-helix | 75-110 | 36 | |
| β-strand | 122-124 | 3 | 7 |
| β-strand | 125-126 | 2 | 8 |
| β-strand | 142-144 | 3 | 7 |
| β-strand | 150-151 | 2 | 9 |
| β-strand | 158-159 | 2 | 9 |
| β-strand | 160 | 1 | 10 |
| β-strand | 165-167 | 3 | 8 |
| α-helix | 177-185 | 9 | |
| α-helix | 190-199 | 10 | |
| β-strand | 206-210 | 5 | 8 |
| β-strand | 215-218 | 4 | 8 |
| β-strand | 220 | 1 | 10 |
| α-helix | 238-240 | 3 | |
| α-helix | 242-248 | 7 | |
| β-strand | 252 | 1 | 11 |
| β-strand | 255-259 | 5 | 12 |
| α-helix | 262-264 | 3 | |
| α-helix | 267-280 | 14 | |
| β-strand | 289 | 1 | 13 |
| β-strand | 291-294 | 4 | 12 |
| β-strand | 298-300 | 3 | 12 |
| β-strand | 308 | 1 | 13 |
| α-helix | 312-322 | 11 | |
| α-helix | 333-343 | 11 | |
| β-strand | 355 | 1 | 11 |
| β-strand | 357-362 | 6 | 12 |
| α-helix | 370-376 | 7 | |
| β-strand | 383-389 | 7 | 12 |
| α-helix | 397-405 | 9 | |
| β-strand | 410-413 | 4 | 12 |
| α-helix | 416-418 | 3 | |
| α-helix | 419-422 | 4 | |
| α-helix | 426-430 | 5 | |
| α-helix | 432-435 | 4 | |
| α-helix | 439-441 | 3 | |
| β-strand | 450-451 | 2 | 14 |
| β-strand | 458-461 | 4 | 14 |
| β-strand | 464-467 | 4 | 8 |
| β-strand | 484-490 | 7 | 8 |
| β-strand | 491-493 | 3 | 14 |
| α-helix | 494-499 | 6 | |
| β-strand | 511-515 | 5 | 15 |
| β-strand | 520 | 1 | 16 |
| β-strand | 521-523 | 3 | 15 |
| α-helix | 531-533 | 3 | |
| β-strand | 560 | 1 | 16 |
| α-helix | 569-580 | 12 | |
| β-strand | 584-593 | 10 | 15 |
| β-strand | 600-611 | 12 | 15 |
| β-strand | 618-622 | 5 | 15 |
| β-strand | 624 | 1 | 15 |
| β-strand | 629-633 | 5 | 6 |
| α-helix | 639-645 | 7 | |
| α-helix | 646-648 | 3 | |
| α-helix | 650-652 | 3 | |
| α-helix | 653-656 | 4 | |
| β-strand | 658-659 | 2 | 17 |
| α-helix | 676-687 | 12 | |
| α-helix | 699-715 | 17 | |
| α-helix | 716-720 | 5 | |
| β-strand | 729-736 | 8 | 18 |
| β-strand | 741 | 1 | 18 |
| β-strand | 742-743 | 2 | 17 |
| α-helix | 747-751 | 5 | |
| α-helix | 758-760 | 3 | |
| α-helix | 762-769 | 8 | |
| β-strand | 774-776 | 3 | 18 |
| α-helix | 777-778 | 2 | |
| β-strand | 792-797 | 6 | 18 |
| β-strand | 800-801 | 2 | 19 |
| β-strand | 806-807 | 2 | 19 |
| β-strand | 810-816 | 7 | 18 |
| α-helix | 819-826 | 8 | |
| β-strand | 848-849 | 2 | 20 |
| β-strand | 852-854 | 3 | 21 |
| β-strand | 858 | 1 | 22 |
| β-strand | 859 | 1 | 21 |
| α-helix | 868-870 | 3 | |
| β-strand | 874 | 1 | 22 |
| α-helix | 875-877 | 3 | |
| α-helix | 880-888 | 9 | |
| β-strand | 892-904 | 13 | 23 |
| β-strand | 972-983 | 12 | 23 |
| β-strand | 989-994 | 6 | 21 |
| β-strand | 1001-1007 | 7 | 21 |
| α-helix | 1008 | 1 | |
| β-strand | 1013-1017 | 5 | 21 |
| β-strand | 1018-1019 | 2 | 20 |
| α-helix | 1021-1023 | 3 | |
| α-helix | 1028-1031 | 4 | |
| β-strand | 1036-1038 | 3 | 23 |
| α-helix | 1043-1046 | 4 | |
| α-helix | 1050-1052 | 3 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Voltage-dependent L-type calcium channel subunit alpha-1C | A | protein | 2201 | Homo sapiens | Q13936 (AlphaFold model) |
| Voltage-dependent calcium channel subunit alpha-2/delta-1 | D | protein | 1103 | Homo sapiens | P54289 (AlphaFold model) |
| Voltage-dependent L-type calcium channel subunit beta-3 | C | protein | 484 | Homo sapiens | P54284 (AlphaFold model) |
| Calciseptin | B | protein | 60 | Dendroaspis polylepis polylepis | P22947 (AlphaFold model) |
>8WE8_1 Voltage-dependent L-type calcium channel subunit alpha-1C (chains A) MVNENTRMYIPEENHQGSNYGSPRPAHANMNANAAAGLAPEHIPTPGAALSWQAAIDAAR QAKLMGSAGNATISTVSSTQRKRQQYGKPKKQGSTTATRPPRALLCLTLKNPIRRACISI VEWKPFEIIILLTIFANCVALAIYIPFPEDDSNATNSNLERVEYLFLIIFTVEAFLKVIA YGLLFHPNAYLRNGWNLLDFIIVVVGLFSAILEQATKADGANALGGKGAGFDVKALRAFR VLRPLRLVSGVPSLQVVLNSIIKAMVPLLHIALLVLFVIIIYAIIGLELFMGKMHKTCYN QEGIADVPAEDDPSPCALETGHGRQCQNGTVCKPGWDGPKHGITNFDNFAFAMLTVFQCI TMEGWTDVLYWVNDAVGRDWPWIYFVTLIIIGSFFVLNLVLGVLSGEFSKEREKAKARGD FQKLREKQQLEEDLKGYLDWITQAEDIDPENEDEGMDEEKPRNMSMPTSETESVNTENVA GGDIEGENCGARLAHRISKSKFSRYWRRWNRFCRRKCRAAVKSNVFYWLVIFLVFLNTLT IASEHYNQPNWLTEVQDTANKALLALFTAEMLLKMYSLGLQAYFVSLFNRFDCFVVCGGI LETILVETKIMSPLGISVLRCVRLLRIFKITRYWNSLSNLVASLLNSVRSIASLLLLLFL FIIIFSLLGMQLFGGKFNFDEMQTRRSTFDNFPQSLLTVFQILTGEDWNSVMYDGIMAYG GPSFPGMLVCIYFIILFICGNYILLNVFLAIAVDNLADAESLTSAQKEEEEEKERKKLAR TASPEKKQELVEKPAVGESKEEKIELKSITADGESPPATKINMDDLQPNENEDKSPYPNP ETTGEEDEEEPEMPVGPRPRPLSELHLKEKAVPMPEASAFFIFSSNNRFRLQCHRIVNDT IFTNLILFFILLSSISLAAEDPVQHTSFRNHILGNADYVFTSIFTLEIILKMTAYGAFLH KGSFCRNYFNILDLLVVSVSLISFGIQSSAINVVKILRVLRVLRPLRAINRAKGLKHVVQ CVFVAIRTIGNIVIVTTLLQFMFACIGVQLFKGKLYTCSDSSKQTEAECKGNYITYKDGE VDHPIIQPRSWENSKFDFDNVLAAMMALFTVSTFEGWPELLYRSIDSHTEDKGPIYNYRV EISIFFIIYIIIIAFFMMNIFVGFVIVTFQEQGEQEYKNCELDKNQRQCVEYALKARPLR RYIPKNQHQYKVWYVVNSTYFEYLMFVLILLNTICLAMQHYGQSCLFKIAMNILNMLFTG LFTVEMILKLIAFKPKGYFSDPWNVFDFLIVIGSIIDVILSETNHYFCDAWNTFDALIVV GSIVDIAITEVNPAEHTQCSPSMNAEENSRISITFFRLFRVMRLVKLLSRGEGIRTLLWT FIKSFQALPYVALLIVMLFFIYAVIGMQVFGKIALNDTTEINRNNNFQTFPQAVLLLFRC ATGEAWQDIMLACMPGKKCAPESEPSNSTEGETPCGSSFAVFYFISFYMLCAFLIINLFV AVIMDNFDYLTRDWSILGPHHLDEFKRIWAEYDPEAKGRIKHLDVVTLLRRIQPPLGFGK LCPHRVACKRLVSMNMPLNSDGTVMFNATLFALVRTALRIKTEGNLEQANEELRAIIKKI WKRTSMKLLDQVVPPAGDDEVTVGKFYATFLIQEYFRKFKKRKEQGLVGKPSQRNALSLQ AGLRTLHDIGPEIRRAISGDLTAEEELDKAMKEAVSAASEDDIFRRAGGLFGNHVSYYQS DGRSAFPQTFTTQRPLHINKAGSSQGDTESPSHEKLVDSTFTPSSYSSTGSNANINNANN TALGRLPRPAGYPSTVSTVEGHGPPLSPAIRVQEVAWKLSSNRERHVPMCEDLELRRDSG SAGTQAHCLLLRKANPSRCHSRESQAAMAGQEETSQDETYEVKMNHDTEACSEPSLLSTE MLSYQDDENRQLTLPEEDKRDIRQSPKRGFLRSASLGRRASFHLECLKRQKDRGGDISQK TVLPLHLVHHQALAVAGLSPLLQRSHSPASFPRPFATPPATPGSRGWPPQPVPTLRLEGV ESSEKLNSSFPSIHCGSWAETTPGGGGSSAARRVRPVSLMVPSQAGAPGRQFHGSASSLV EAVLISEGLGQFAQDPKFIEVTTQELADACDMTIEEMESAADNILSGGAPQSPNGALLPF VNCRDAGQDRAGGEEDAGCVRARGRPSEEELQDSRVYVSSL
>8WE8_2 Voltage-dependent calcium channel subunit alpha-2/delta-1 (chains D) MAAGCLLALTLTLFQSLLIGPSSEEPFPSAVTIKSWVDKMQEDLVTLAKTASGVNQLVDI YEKYQDLYTVEPNNARQLVEIAARDIEKLLSNRSKALVRLALEAEKVQAAHQWREDFASN EVVYYNAKDDLDPEKNDSEPGSQRIKPVFIEDANFGRQISYQHAAVHIPTDIYEGSTIVL NELNWTSALDEVFKKNREEDPSLLWQVFGSATGLARYYPASPWVDNSRTPNKIDLYDVRR RPWYIQGAASPKDMLILVDVSGSVSGLTLKLIRTSVSEMLETLSDDDFVNVASFNSNAQD VSCFQHLVQANVRNKKVLKDAVNNITAKGITDYKKGFSFAFEQLLNYNVSRANCNKIIML FTDGGEERAQEIFNKYNKDKKVRVFTFSVGQHNYDRGPIQWMACENKGYYYEIPSIGAIR INTQEYLDVLGRPMVLAGDKAKQVQWTNVYLDALELGLVITGTLPVFNITGQFENKTNLK NQLILGVMGVDVSLEDIKRLTPRFTLCPNGYYFAIDPNGYVLLHPNLQPKPIGVGIPTIN LRKRRPNIQNPKSQEPVTLDFLDAELENDIKVEIRNKMIDGESGEKTFRTLVKSQDERYI DKGNRTYTWTPVNGTDYSLALVLPTYSFYYIKAKLEETITQARYSETLKPDNFEESGYTF IAPRDYCNDLKISDNNTEFLLNFNEFIDRKTPNNPSCNADLINRVLLDAGFTNELVQNYW SKQKNIKGVKARFVVTDGGITRVYPKEAGENWQENPETYEDSFYKRSLDNDNYVFTAPYF NKSGPGAYESGIMVSKAVEIYIQGKLLKPAVVGIKIDVNSWIENFTKTSIRDPCAGPVCD CKRNSDVMDCVILDDGGFLLMANHDDYTNQIGRFFGEIDPSLMRHLVNISVYAFNKSYDY QSVCEPGAAPKQGAGHRSAYVPSVADILQIGWWATAAAWSILQQFLLSLTFPRLLEAVEM EDDDFTASLSKQSCITEQTQYFFDNDSKSFSGVLDCGNCSRIFHGEKLMNTNLIFIMVES KGTCPCDTRLLIQAEQTSDGPNPCDMVKQPRYRKGPDVCFDNNVLEDYTDCGGVSGLNPS LWYIIGIQFLLLWLVSGSTHRLL
>8WE8_3 Voltage-dependent L-type calcium channel subunit beta-3 (chains C) MYDDSYVPGFEDSEAGSADSYTSRPSLDSDVSLEEDRESARREVESQAQQQLERAKHKPV AFAVRTNVSYCGVLDEECPVQGSGVNFEAKDFLHIKEKYSNDWWIGRLVKEGGDIAFIPS PQRLESIRLKQEQKARRSGNPSSLSDIGNRRSPPPSLAKQKQKQAEHVPPYDVVPSMRPV VLVGPSLKGYEVTDMMQKALFDFLKHRFDGRISITRVTADLSLAKRSVLNNPGKRTIIER SSARSSIAEVQSEIERIFELAKSLQLVVLDADTINHPAQLAKTSLAPIIVFVKVSSPKVL QRLIRSRGKSQMKHLTVQMMAYDKLVQCPPESFDVILDENQLEDACEHLAEYLEVYWRAT HHPAPGPGLLGPPSAIPGLQNQQLLGERGEEHSPLERDSLMPSDEASESSRQAWTGSSQR SSRHLEEDYADAYQDLYQPHRQHTSGLPSANGHDPQDRLLAQDSEHNHSDRNWQRNRPWP KDSY
>8WE8_4 Calciseptin (chains B) RICYIHKASLPRATKTCVENTCYKMFIRTQREYISERGCGCPTAMWPYQTECCKGDRCNK
| ID | Name | Formula | Copies |
|---|---|---|---|
| CLR | Cholesterol | C27 H46 O | 5 |
| CA | Calcium ion | Ca | 2 |
| 6UB | amlodipine | C20 H25 Cl N2 O5 | 1 |
| 3PE | 1,2-Distearoyl-sn-glycerophosphoethanolamine | C41 H82 N O8 P | 1 |
| PT5 | [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4… | C47 H85 O19 P3 | 1 |
| NAG | 2-acetamido-2-deoxy-beta-D-glucopyranose | C8 H15 N O6 | 3 |
Structural basis for human Ca v 1.2 inhibition by multiple drugs and the neurotoxin calciseptine. Gao, S., Yao, X., Chen, J. et al. Cell (2023) 186:5363-5374.e16. DOI 10.1016/j.cell.2023.10.007 · PubMed
Other PDB entries of the same protein (UniProt Q13936 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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