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9CZM

Ca2+ bound open-inactivated hSlo1 + beta2N-beta4 channel in nanodisc.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, H
(E, F, H, G)
Large-conductance Ca2+-activated K+ channel beta2 subunit,Calcium-activated potassium channel subunit beta-4polymer23927431.54UniProt (B5BNX0)
UniProt (Q86W47)
Pfam (PF03185)
Homo sapiens (human)BK channel subunit beta-4,BKbeta4,Hbeta4,Calcium-activated potassium channel,subfamily M subunit beta-4,Charybdotoxin receptor subunit beta-4,K(VCA)beta-4,Maxi K channel subunit beta-4,Slo-beta-4
2D, E, F, G
(A, B, C, D)
Isoform 5 of Calcium-activated potassium channel subunit alpha-1polymer1056118969.94UniProt (Q12791)
Pfam (PF00520)
Pfam (PF22614)
Pfam (PF03493)
Pfam (PF21014)
Homo sapiens (human)BK channel,BKCA alpha,Calcium-activated potassium channel,subfamily M subunit alpha-1,K(VCA)alpha,KCa1.1,Maxi K channel,MaxiK,Slo-alpha,Slo1,Slowpoke homolog,Slo homolog,hSlo
3AB, CA, DA, EA, EB...
(D, B, A, C)
(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphatenon-polymer760.132Chemie (POV)
PubChem (65167)
PubChem (5497103)
PubChem (6436017)
PubChem (6506401)
PubChem (168614)
PubChem (10908846)
PubChem (6070971)
4BB, J, MA, Z
(D, A, C, B)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
PubChem (888)
5AA, BA, CB, DB, K...
(B, D, A, C)
CALCIUM IONnon-polymer40.18Chemie (CA)
PubChem (271)
6FA, GA, HB, IB, P...
(B, D, A, C)
CHOLESTEROLnon-polymer386.78Chemie (CLR)
PubChem (16219173)
PubChem (16758052)
PubChem (304)
PubChem (176980071)
PubChem (191463)
PubChem (368063)
PubChem (369319)
PubChem (18640088)
PubChem (1715243)
PubChem (40477506)
PubChem (40557614)
PubChem (42579431)
PubChem (42579432)
PubChem (1715244)
PubChem (23423981)
PubChem (45044259)
PubChem (638019)
PubChem (49853509)
PubChem (50990013)
PubChem (44654663)
PubChem (52934537)
PubChem (56621683)
PubChem (1549081)
PubChem (1553803)
PubChem (46937002)
PubChem (57915018)
PubChem (57939063)
PubChem (58428240)
PubChem (58445498)
PubChem (58663286)
PubChem (59450329)
PubChem (59628412)
PubChem (59965215)
PubChem (71234641)
PubChem (59993755)
PubChem (60001463)
PubChem (66634651)
PubChem (59274407)
PubChem (5283629)
PubChem (5284644)
PubChem (68055877)
PubChem (68166463)
PubChem (68315613)
PubChem (5315842)
PubChem (70795838)
PubChem (70797612)
PubChem (70954610)
PubChem (70957185)
PubChem (71463909)
PubChem (68311425)
PubChem (68311398)
PubChem (143173313)
PubChem (177156123)
PubChem (6419195)
PubChem (5997)
PubChem (6994560)
PubChem (7055705)
PubChem (7055706)
PubChem (7059398)
PubChem (7059400)
PubChem (7059635)
PubChem (7103033)
PubChem (7182477)
PubChem (7182478)
PubChem (89951918)
PubChem (90224410)
PubChem (91298236)
PubChem (9909206)
PubChem (10045721)
PubChem (71168115)
PubChem (10134774)
PubChem (10293553)
PubChem (71173031)
PubChem (11003580)
PubChem (11025495)
PubChem (11058155)
PubChem (11463329)
PubChem (1551269)
PubChem (90070115)
PubChem (11868624)
PubChem (11868625)
PubChem (11869366)
PubChem (11869367)
PubChem (11869368)
PubChem (11869369)
PubChem (12120344)
PubChem (12156156)
PubChem (12303135)
PubChem (12303148)
PubChem (12303156)
PubChem (12303159)
PubChem (12303160)
PubChem (117965027)
PubChem (6432564)
PubChem (101624109)
PubChem (6710666)
PubChem (124146240)
PubChem (7059399)
PubChem (124897607)
PubChem (124896959)
PubChem (10861996)
PubChem (132837164)
PubChem (11834483)
PubChem (11888915)
PubChem (11888914)
PubChem (124225449)
PubChem (124429284)
PubChem (124909223)
PubChem (124909224)
PubChem (124909225)
PubChem (138967089)
PubChem (139566851)
PubChem (130459183)
PubChem (131992107)
PubChem (15939944)
PubChem (139568882)
PubChem (142983773)
PubChem (144054483)
PubChem (144209461)
PubChem (144331236)
PubChem (144808354)
PubChem (145053568)
PubChem (145157652)
PubChem (145215073)
PubChem (145230478)
PubChem (146320991)
PubChem (147857230)
PubChem (154993519)
PubChem (171828367)
PubChem (173516975)
PubChem (158603858)
PubChem (162906452)
PubChem (162906453)
PubChem (162906454)
PubChem (162906455)
PubChem (162906456)
PubChem (162906457)
PubChem (163255768)
PubChem (163389210)
PubChem (164665303)
PubChem (166553771)
PubChem (166712004)
PubChem (170116175)
PubChem (171764280)
PubChem (171817101)
PubChem (171817104)
PubChem (174285573)
7R, S, T, U
(A)
POTASSIUM IONnon-polymer39.14Chemie (K)
PubChem (813)
Sequence modifications
E, F, H, G: 2 - 44 (UniProt: B5BNX0)
E, F, H, G: 45 - 240 (UniProt: Q86W47)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight585605.9
Non-Polymers*Number of molecules56
Total formula weight27989.9
All*Total formula weight613595.8
*Water molecules are not included.

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PDB entries from 2026-04-01

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