SMTL ID : 9czj.1

Ca2+ free hSlo1 + beta2N-beta4 channel in detergent.

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x CLR: CHOLESTEROL(Non-covalent)

CLR.1: 10 residues within 4Å: Chain A: R.20, W.22 Chain E: S.56, S.60, I.197, V.198, H.201, C.202, W.205, T.209 7 PLIP interactions: 4 interactions with chain E, 3 interactions with chain A Hydrophobic interactions: E:V.198, E:W.205, E:T.209, A:W.22 Hydrogen bonds: E:H.201, A:R.20, A:R.20 CLR.3: 9 residues within 4Å: Chain B: R.20, W.22 Chain F: S.56, S.60, V.198, H.201, C.202, W.205, T.209 8 PLIP interactions: 5 interactions with chain F, 3 interactions with chain B Hydrophobic interactions: F:V.198, F:W.205, F:W.205, F:T.209, B:W.22 Hydrogen bonds: F:H.201, B:R.20, B:R.20 CLR.4: 9 residues within 4Å: Chain C: R.20, W.22 Chain G: S.56, S.60, V.198, H.201, C.202, W.205, T.209 7 PLIP interactions: 2 interactions with chain C, 5 interactions with chain G Hydrophobic interactions: C:W.22, G:V.198, G:W.205, G:W.205, G:T.209 Hydrogen bonds: C:R.20, G:H.201 CLR.5: 10 residues within 4Å: Chain D: R.20, W.22, F.266 Chain H: S.56, S.60, V.198, H.201, C.202, W.205, T.209 9 PLIP interactions: 4 interactions with chain D, 5 interactions with chain H Hydrophobic interactions: D:W.22, D:F.266, H:V.198, H:W.205, H:W.205, H:T.209 Hydrogen bonds: D:R.20, D:R.20, H:H.201

1 x K: POTASSIUM ION(Non-covalent)

K.2: 8 residues within 4Å: Chain A: V.288, G.289 Chain B: V.288, G.289 Chain C: V.288, G.289 Chain D: V.288, G.289 4 PLIP interactions: 1 interactions with chain D, 2 interactions with chain B, 1 interactions with chain A Metal complexes: D:V.288, B:V.288, B:G.289, A:V.288

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Agarwal, S. et al., Ball-and-chain inactivation of a human large conductance calcium-activated potassium channel. Nat Commun (2025)

Release Date

2025-03-05

Peptides

Isoform 5 of Calcium-activated potassium channel subunit alpha-1: ABCD
Large-conductance Ca2+-activated K+ channel beta2 subunit,Calcium-activated potassium channel subunit beta-4: EFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

Membrane

We predict this structure to be a membrane protein.
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Isoform 5 of Calcium-activated potassium channel subunit alpha-1

Large-conductance Ca2+-activated K+ channel beta2 subunit,Calcium-activated potassium channel subunit beta-4

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