SMTL ID : 9czk.1

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

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 9 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 Ligands: K.2 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D Metal complexes: A:G.289, B:G.289, C:G.289, D:G.289 K.2: 9 residues within 4Å: Chain A: T.287, V.288 Chain B: T.287, V.288 Chain C: T.287, V.288 Chain D: T.287, V.288 Ligands: K.1 4 PLIP interactions: 1 interactions with chain C, 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A Metal complexes: C:T.287, D:T.287, B:T.287, A:T.287

4 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)

POV.3: 14 residues within 4Å: Chain A: T.273, W.275, E.276, V.278, Y.279 Chain D: T.298, R.301, L.302, V.305 Chain H: V.59, F.62, I.63, F.66, C.67 7 PLIP interactions: 5 interactions with chain A, 1 interactions with chain D, 1 interactions with chain H Hydrophobic interactions: A:W.275, A:W.275, A:W.275, A:V.278, A:Y.279, H:F.66 Salt bridges: D:R.301 POV.5: 13 residues within 4Å: Chain A: T.298, R.301, L.302, V.305 Chain B: T.273, W.275, E.276, V.278, Y.279 Chain E: F.62, I.63, F.66, C.67 8 PLIP interactions: 5 interactions with chain B, 2 interactions with chain E, 1 interactions with chain A Hydrophobic interactions: B:W.275, B:W.275, B:W.275, B:V.278, B:Y.279, E:I.63, E:F.66 Salt bridges: A:R.301 POV.9: 13 residues within 4Å: Chain B: T.298, R.301, L.302 Chain C: T.273, W.275, E.276, V.278, Y.279 Chain F: V.59, F.62, I.63, F.66, C.67 9 PLIP interactions: 3 interactions with chain C, 1 interactions with chain B, 5 interactions with chain F Hydrophobic interactions: C:W.275, C:W.275, C:W.275, F:F.62, F:I.63, F:I.63, F:F.66, F:F.66 Salt bridges: B:R.301 POV.10: 13 residues within 4Å: Chain C: T.298, R.301, L.302 Chain D: T.273, W.275, E.276, V.278, Y.279 Chain G: V.59, F.62, I.63, F.66, C.67 10 PLIP interactions: 5 interactions with chain G, 4 interactions with chain D, 1 interactions with chain C Hydrophobic interactions: G:F.62, G:I.63, G:I.63, G:F.66, G:F.66, D:W.275, D:W.275, D:W.275, D:W.275 Salt bridges: C:R.301

4 x CLR: CHOLESTEROL(Non-covalent)

CLR.4: 10 residues within 4Å: Chain A: W.22, W.203, L.255, V.256, S.259, P.262, F.266, L.299, F.303 Chain E: F.64 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:W.22, A:W.203, A:L.255, A:F.266 CLR.6: 9 residues within 4Å: Chain B: W.22, W.203, L.255, V.256, S.259, P.262, F.266, L.299, F.303 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.203, B:W.203, B:F.266 CLR.7: 9 residues within 4Å: Chain C: W.22, W.203, L.255, V.256, S.259, P.262, F.266, L.299, F.303 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:W.203, C:W.203, C:L.255, C:F.266 CLR.8: 8 residues within 4Å: Chain D: W.22, W.203, L.255, V.256, S.259, F.266, L.299, F.303 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:W.22, D:W.203, D:W.203, D:L.255, D:F.266

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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