SMTL ID : 9czm.1

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

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

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

POV.1: 10 residues within 4Å: Chain A: V.198, H.201, W.205 Chain D: R.20, W.22, L.26, W.203, S.259, F.266, L.299 Ligand excluded by PLIP POV.5: 5 residues within 4Å: Chain D: R.113, V.114, V.117, F.120, I.226 Ligand excluded by PLIP POV.6: 5 residues within 4Å: Chain D: I.241, T.245, F.252, F.303 Ligands: POV.7 Ligand excluded by PLIP POV.7: 12 residues within 4Å: Chain D: I.241, T.245, F.303, F.306, F.307, G.310, A.313, M.314, S.317, Y.318 Chain E: I.323 Ligands: POV.6 Ligand excluded by PLIP POV.14: 9 residues within 4Å: Chain C: F.62, G.65, L.69, L.73 Chain D: I.124, G.125, I.129, D.147, T.149 Ligand excluded by PLIP POV.15: 9 residues within 4Å: Chain C: F.52, I.55 Chain D: L.239, L.325, I.326, G.327, N.328, R.329 Ligands: POV.16 Ligand excluded by PLIP POV.16: 14 residues within 4Å: Chain D: F.120, L.214, L.221, I.226, L.227, K.228, T.229, S.232, L.235, V.236, S.240, I.243 Ligands: POV.15, POV.45 Ligand excluded by PLIP POV.17: 8 residues within 4Å: Chain B: V.198, H.201, W.205 Chain E: R.20, S.259, P.262, F.266, L.299 Ligand excluded by PLIP POV.21: 6 residues within 4Å: Chain E: R.113, V.114, V.117, L.224, N.225, I.226 Ligand excluded by PLIP POV.22: 7 residues within 4Å: Chain E: I.241, T.245, F.252, F.303, Y.318 Chain F: K.331 Ligands: POV.23 Ligand excluded by PLIP POV.23: 12 residues within 4Å: Chain E: T.245, F.303, F.306, F.307, G.310, G.311, A.313, M.314, S.317, Y.318 Chain F: I.323 Ligands: POV.22 Ligand excluded by PLIP POV.26: 11 residues within 4Å: Chain A: F.66 Chain D: L.302 Chain E: F.131, I.243, W.246, L.247, T.273, W.275, V.278, Y.279 Ligands: POV.29 Ligand excluded by PLIP POV.27: 12 residues within 4Å: Chain A: F.62, G.65, F.66, L.69, L.73 Chain E: A.121, G.125, V.128, I.129, I.132, D.147, T.149 Ligand excluded by PLIP POV.28: 9 residues within 4Å: Chain A: F.52, I.55 Chain E: L.239, L.325, I.326, G.327, N.328, R.329 Ligands: POV.29 Ligand excluded by PLIP POV.29: 14 residues within 4Å: Chain E: F.120, L.214, L.221, I.226, L.227, K.228, T.229, S.232, L.235, V.236, S.240, I.243 Ligands: POV.26, POV.28 Ligand excluded by PLIP POV.30: 11 residues within 4Å: Chain B: I.63, F.66, C.67 Chain E: T.298, R.301, L.302 Chain F: I.243, W.246, T.273, W.275, V.278 Ligand excluded by PLIP POV.34: 7 residues within 4Å: Chain F: R.113, V.114, V.117, L.118, L.224, N.225, I.226 Ligand excluded by PLIP POV.35: 8 residues within 4Å: Chain F: I.215, I.241, T.245, F.252, F.303, Y.318 Chain G: K.331 Ligands: POV.36 Ligand excluded by PLIP POV.36: 12 residues within 4Å: Chain F: T.245, F.303, F.306, F.307, G.310, G.311, A.313, M.314, S.317, Y.318 Chain G: I.323 Ligands: POV.35 Ligand excluded by PLIP POV.39: 11 residues within 4Å: Chain B: F.62, G.65, F.66, L.69, L.73 Chain F: A.121, G.125, I.129, I.132, D.147, T.149 Ligand excluded by PLIP POV.40: 9 residues within 4Å: Chain B: R.48, F.52, I.55 Chain F: L.239, I.326, G.327, N.328, R.329 Ligands: POV.41 Ligand excluded by PLIP POV.41: 11 residues within 4Å: Chain F: L.221, I.226, L.227, K.228, T.229, S.232, L.235, V.236, S.240, I.243 Ligands: POV.40 Ligand excluded by PLIP POV.42: 9 residues within 4Å: Chain F: T.298, R.301, L.302 Chain G: W.246, W.275 Chain H: I.63, F.66, C.67 Ligands: POV.56 Ligand excluded by PLIP POV.43: 8 residues within 4Å: Chain F: R.20, W.22, S.259, F.266, L.299 Chain H: V.198, H.201, W.205 Ligand excluded by PLIP POV.44: 8 residues within 4Å: Chain C: V.198, H.201, W.205 Chain G: R.20, S.259, P.262, F.266, L.299 Ligand excluded by PLIP POV.45: 13 residues within 4Å: Chain C: I.63, F.66, C.67 Chain D: F.131, W.246, L.247, T.273, W.275, V.278 Chain G: T.298, R.301, L.302 Ligands: POV.16 Ligand excluded by PLIP POV.49: 9 residues within 4Å: Chain G: R.113, V.114, V.117, L.118, F.120, L.221, L.224, N.225, I.226 Ligand excluded by PLIP POV.50: 6 residues within 4Å: Chain D: K.331 Chain G: I.241, F.252, F.303, Y.318 Ligands: POV.51 Ligand excluded by PLIP POV.51: 11 residues within 4Å: Chain D: I.323 Chain G: T.245, F.303, F.306, F.307, G.310, G.311, A.313, M.314, S.317 Ligands: POV.50 Ligand excluded by PLIP POV.54: 11 residues within 4Å: Chain G: A.121, G.125, I.129, I.132, D.147, T.149 Chain H: F.62, G.65, F.66, L.69, L.73 Ligand excluded by PLIP POV.55: 4 residues within 4Å: Chain G: L.239, I.326, R.329 Ligands: POV.56 Ligand excluded by PLIP POV.56: 13 residues within 4Å: Chain G: L.221, I.226, L.227, K.228, T.229, S.232, L.235, V.236, L.239, S.240, I.243 Ligands: POV.42, POV.55 Ligand excluded by PLIP

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain D: E.374, E.399 Chain G: N.172 2 PLIP interactions: 2 interactions with chain D Metal complexes: D:E.374, D:E.399 MG.18: 2 residues within 4Å: Chain E: E.374, E.399 3 PLIP interactions: 3 interactions with chain E Metal complexes: E:E.374, E:E.374, E:E.399 MG.31: 3 residues within 4Å: Chain E: N.172 Chain F: E.374, E.399 2 PLIP interactions: 2 interactions with chain F Metal complexes: F:E.374, F:E.399 MG.46: 2 residues within 4Å: Chain G: E.374, E.399 3 PLIP interactions: 3 interactions with chain G Metal complexes: G:E.374, G:E.374, G:E.399

8 x CA: CALCIUM ION(Non-covalent)

CA.3: 5 residues within 4Å: Chain D: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:D.367, D:S.533, D:E.535, D:E.535, D:S.600 CA.4: 5 residues within 4Å: Chain D: Q.889, D.892, D.895, D.897 Chain G: N.449 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:Q.889, D:D.892, D:D.895, D:D.897, D:D.897 CA.19: 6 residues within 4Å: Chain E: D.367, R.514, S.515, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain E Metal complexes: E:D.367, E:R.514, E:S.533, E:E.535, E:S.600 CA.20: 5 residues within 4Å: Chain D: N.449 Chain E: Q.889, D.892, D.895, D.897 4 PLIP interactions: 4 interactions with chain E Metal complexes: E:Q.889, E:D.892, E:D.897, E:D.897 CA.32: 5 residues within 4Å: Chain F: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain F Metal complexes: F:D.367, F:R.514, F:S.533, F:E.535, F:S.600 CA.33: 5 residues within 4Å: Chain E: N.449 Chain F: Q.889, D.892, D.895, D.897 5 PLIP interactions: 5 interactions with chain F Metal complexes: F:Q.889, F:D.892, F:D.895, F:D.897, F:D.897 CA.47: 5 residues within 4Å: Chain G: D.367, R.514, S.533, E.535, S.600 5 PLIP interactions: 5 interactions with chain G Metal complexes: G:D.367, G:R.514, G:S.533, G:E.535, G:S.600 CA.48: 5 residues within 4Å: Chain F: N.449 Chain G: Q.889, D.892, D.895, D.897 4 PLIP interactions: 4 interactions with chain G Metal complexes: G:Q.889, G:D.892, G:D.897, G:D.897

8 x CLR: CHOLESTEROL(Non-covalent)(Covalent)

CLR.8: 8 residues within 4Å: Chain D: G.36, I.39, W.43, R.44, F.168, N.172, K.174, W.178 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:I.39, D:W.43, D:W.43, D:F.168, D:W.178 CLR.9: 8 residues within 4Å: Chain D: M.21, W.23, A.24, S.28, V.31, T.32, Y.198, L.199 7 PLIP interactions: 7 interactions with chain D Hydrophobic interactions: D:W.23, D:W.23, D:A.24, D:V.31, D:Y.198, D:L.199, D:L.199 CLR.24: 9 residues within 4Å: Chain B: L.39 Chain E: G.36, I.39, I.40, W.43, R.44, D.173, K.174, W.178 9 PLIP interactions: 8 interactions with chain E, 1 interactions with chain B Hydrophobic interactions: E:I.39, E:I.39, E:I.40, E:W.43, E:W.43, E:R.44, E:K.174, E:W.178, B:L.39 CLR.25: 10 residues within 4Å: Chain E: M.21, W.23, A.24, A.27, S.28, V.31, T.32, V.195, Y.198, L.199 6 PLIP interactions: 6 interactions with chain E Hydrophobic interactions: E:W.23, E:W.23, E:A.24, E:A.27, E:V.195, E:Y.198 CLR.37: 9 residues within 4Å: Chain F: G.36, I.39, I.40, W.43, R.44, F.168, K.174, W.178 Chain H: L.39 9 PLIP interactions: 9 interactions with chain F Hydrophobic interactions: F:I.39, F:I.39, F:I.40, F:W.43, F:W.43, F:F.168, F:K.174, F:K.174, F:W.178 CLR.38: 7 residues within 4Å: Chain F: M.21, W.23, A.24, S.28, T.32, Y.198, L.199 4 PLIP interactions: 4 interactions with chain F Hydrophobic interactions: F:W.23, F:A.24, F:Y.198, F:L.199 CLR.52: 9 residues within 4Å: Chain C: L.39 Chain G: G.36, I.39, I.40, W.43, R.44, F.168, K.174, W.178 8 PLIP interactions: 7 interactions with chain G, 1 interactions with chain C Hydrophobic interactions: G:I.39, G:I.39, G:W.43, G:W.43, G:F.168, G:K.174, G:W.178, C:L.39 CLR.53: 8 residues within 4Å: Chain G: M.21, W.23, A.24, S.28, T.32, V.195, Y.198, L.199 3 PLIP interactions: 3 interactions with chain G Hydrophobic interactions: G:W.23, G:V.195, G:L.199

4 x K: POTASSIUM ION(Non-covalent)

K.10: 9 residues within 4Å: Chain D: G.289, Y.290 Chain E: G.289, Y.290 Chain F: G.289, Y.290 Chain G: G.289, Y.290 Ligands: K.11 2 PLIP interactions: 1 interactions with chain G, 1 interactions with chain E Metal complexes: G:Y.290, E:Y.290 K.11: 10 residues within 4Å: Chain D: V.288, G.289 Chain E: V.288, G.289 Chain F: V.288, G.289 Chain G: V.288, G.289 Ligands: K.10, K.12 4 PLIP interactions: 1 interactions with chain E, 1 interactions with chain F, 1 interactions with chain D, 1 interactions with chain G Metal complexes: E:G.289, F:G.289, D:G.289, G:G.289 K.12: 10 residues within 4Å: Chain D: T.287, V.288 Chain E: T.287, V.288 Chain F: T.287, V.288 Chain G: T.287, V.288 Ligands: K.11, K.13 5 PLIP interactions: 1 interactions with chain D, 1 interactions with chain E, 1 interactions with chain G, 2 interactions with chain F Metal complexes: D:T.287, E:V.288, G:V.288, F:T.287, F:V.288 K.13: 5 residues within 4Å: Chain D: T.287 Chain E: T.287 Chain F: T.287 Chain G: T.287 Ligands: K.12 2 PLIP interactions: 1 interactions with chain D, 1 interactions with chain F Metal complexes: D:T.287, F:T.287

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

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

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

C
H

H
G

D
A

E
B

F
C

G
D

Membrane

We predict this structure to be a membrane protein.
Show / Hide

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

Isoform 5 of Calcium-activated potassium channel subunit alpha-1

Related Entries With Identical Sequence