SMTL ID : 7yo0.1

Cryo-EM structure of human Slo1-LRRC26 complex with Symmetry Expansion

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x PGW: (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate(Non-covalent)

PGW.1: 14 residues within 4Å: Chain A: G.36, I.39, I.40, W.43, R.44, K.47, F.168, N.172, D.173, K.174, W.178 Chain B: P.270, L.274, L.277 9 PLIP interactions: 4 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:P.270, B:L.274, B:L.274, B:L.277, A:I.39, A:F.168 Hydrogen bonds: A:N.172 Salt bridges: A:R.44, A:K.47 PGW.5: 14 residues within 4Å: Chain C: G.36, I.39, I.40, W.43, R.44, K.47, F.168, N.172, D.173, K.174, W.178 Chain D: P.270, L.274, L.277 9 PLIP interactions: 5 interactions with chain C, 4 interactions with chain D Hydrophobic interactions: C:I.39, C:F.168, D:P.270, D:L.274, D:L.274, D:L.277 Hydrogen bonds: C:N.172 Salt bridges: C:R.44, C:K.47 PGW.9: 14 residues within 4Å: Chain E: G.36, I.39, I.40, W.43, R.44, K.47, F.168, N.172, D.173, K.174, W.178 Chain F: P.270, L.274, L.277 9 PLIP interactions: 5 interactions with chain E, 4 interactions with chain F Hydrophobic interactions: E:I.39, E:F.168, F:P.270, F:L.274, F:L.274, F:L.277 Hydrogen bonds: E:N.172 Salt bridges: E:R.44, E:K.47 PGW.13: 14 residues within 4Å: Chain G: G.36, I.39, I.40, W.43, R.44, K.47, F.168, N.172, D.173, K.174, W.178 Chain H: P.270, L.274, L.277 9 PLIP interactions: 4 interactions with chain H, 5 interactions with chain G Hydrophobic interactions: H:P.270, H:L.274, H:L.274, H:L.277, G:I.39, G:F.168 Hydrogen bonds: G:N.172 Salt bridges: G:R.44, G:K.47

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: E.374, T.396, E.399 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:E.374 MG.6: 3 residues within 4Å: Chain C: E.374, T.396, E.399 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:E.374 MG.10: 3 residues within 4Å: Chain E: E.374, T.396, E.399 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:E.374 MG.14: 3 residues within 4Å: Chain G: E.374, T.396, E.399 1 PLIP interactions: 1 interactions with chain G Metal complexes: G:E.374

8 x CA: CALCIUM ION(Non-covalent)

CA.3: 5 residues within 4Å: Chain A: D.367, R.514, S.533, E.535, S.604 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.367, A:R.514, A:S.533, A:E.535, A:S.604 CA.4: 5 residues within 4Å: Chain A: Q.893, D.896, D.899, D.901 Chain G: N.449 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:Q.893, A:D.896, A:D.899 CA.7: 5 residues within 4Å: Chain C: D.367, R.514, S.533, E.535, S.604 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.367, C:R.514, C:S.533, C:E.535, C:S.604 CA.8: 5 residues within 4Å: Chain A: N.449 Chain C: Q.893, D.896, D.899, D.901 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:Q.893, C:D.896, C:D.899 CA.11: 5 residues within 4Å: Chain E: D.367, R.514, S.533, E.535, S.604 5 PLIP interactions: 5 interactions with chain E Metal complexes: E:D.367, E:R.514, E:S.533, E:E.535, E:S.604 CA.12: 5 residues within 4Å: Chain C: N.449 Chain E: Q.893, D.896, D.899, D.901 3 PLIP interactions: 3 interactions with chain E Metal complexes: E:Q.893, E:D.896, E:D.899 CA.15: 5 residues within 4Å: Chain G: D.367, R.514, S.533, E.535, S.604 5 PLIP interactions: 5 interactions with chain G Metal complexes: G:D.367, G:R.514, G:S.533, G:E.535, G:S.604 CA.16: 5 residues within 4Å: Chain E: N.449 Chain G: Q.893, D.896, D.899, D.901 3 PLIP interactions: 3 interactions with chain G Metal complexes: G:Q.893, G:D.896, G:D.899

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yamanouchi, D., Structural basis for dual allosteric gating modulation of Slo1-LRRC channel complex. To Be Published

Release Date

2024-03-06

Peptides

Calcium-activated potassium channel subunit alpha-1: ACEG
Leucine-rich repeat-containing protein 26: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

E
E

G
G

B
B

D
D

F
F

H
H

Membrane

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

Leucine-rich repeat-containing protein 26

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