SMTL ID : 8j04.1

Human KCNQ2-CaM-HN37 complex in the presence of PIP2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

8 x 9MF: methyl N-[4-[(4-fluorophenyl)methyl-prop-2-ynyl-amino]-2,6-dimethyl-phenyl]carbamate(Non-covalent)

9MF.1: 16 residues within 4Å: Chain A: A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 Chain B: F.38, F.42 Chain G: L.237, I.238, V.240, S.241, F.242 Ligands: 9MF.3 10 PLIP interactions: 7 interactions with chain A, 3 interactions with chain G Hydrophobic interactions: A:F.178, A:F.178, A:F.243, A:F.243, A:P.246, G:L.237 Hydrogen bonds: A:W.174, G:L.237, G:S.241 pi-Stacking: A:W.174 9MF.2: 13 residues within 4Å: Chain A: P.26, F.31, H.34, F.38, M.146, M.149, D.150, T.155 Chain G: V.171, W.174, Y.175, F.178 Ligands: 9MF.8 6 PLIP interactions: 3 interactions with chain G, 3 interactions with chain A Hydrophobic interactions: G:V.171, G:W.174, G:F.178, A:F.31, A:F.38, A:M.149 9MF.3: 13 residues within 4Å: Chain A: V.171, W.174, Y.175, F.178 Chain B: P.26, F.31, H.34, F.38, M.146, M.149, D.150, T.155 Ligands: 9MF.1 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.31, B:F.38, B:M.149, A:V.171, A:W.174, A:F.178 9MF.4: 16 residues within 4Å: Chain A: L.237, I.238, V.240, S.241, F.242 Chain B: A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 Chain D: F.38, F.42 Ligands: 9MF.5 10 PLIP interactions: 7 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.178, B:F.178, B:F.243, B:F.243, B:P.246, A:L.237 Hydrogen bonds: B:W.174, A:L.237, A:S.241 pi-Stacking: B:W.174 9MF.5: 13 residues within 4Å: Chain B: V.171, W.174, Y.175, F.178 Chain D: P.26, F.31, H.34, F.38, M.146, M.149, D.150, T.155 Ligands: 9MF.4 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain D Hydrophobic interactions: B:V.171, B:W.174, B:F.178, D:F.31, D:F.38, D:M.149 9MF.6: 16 residues within 4Å: Chain B: L.237, I.238, V.240, S.241, F.242 Chain D: A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 Chain G: F.38, F.42 Ligands: 9MF.7 10 PLIP interactions: 7 interactions with chain D, 3 interactions with chain B Hydrophobic interactions: D:F.178, D:F.178, D:F.243, D:F.243, D:P.246, B:L.237 Hydrogen bonds: D:W.174, B:L.237, B:S.241 pi-Stacking: D:W.174 9MF.7: 13 residues within 4Å: Chain D: V.171, W.174, Y.175, F.178 Chain G: P.26, F.31, H.34, F.38, M.146, M.149, D.150, T.155 Ligands: 9MF.6 6 PLIP interactions: 3 interactions with chain D, 3 interactions with chain G Hydrophobic interactions: D:V.171, D:W.174, D:F.178, G:F.31, G:F.38, G:M.149 9MF.8: 16 residues within 4Å: Chain A: F.38, F.42 Chain D: L.237, I.238, V.240, S.241, F.242 Chain G: A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 Ligands: 9MF.2 10 PLIP interactions: 7 interactions with chain G, 3 interactions with chain D Hydrophobic interactions: G:F.178, G:F.178, G:F.243, G:F.243, G:P.246, D:L.237 Hydrogen bonds: G:W.174, D:L.237, D:S.241 pi-Stacking: G:W.174

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ma, D. et al., Ligand activation mechanisms of human KCNQ2 channel. Nat Commun (2023)

Release Date

2023-12-06

Peptides

Potassium voltage-gated channel subfamily KQT member 2: ABDG
Calmodulin-1: CEFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

D
D

G
G

C
C

E
E

F
F

H
H

Membrane

We predict this structure to be a membrane protein.
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Potassium voltage-gated channel subfamily KQT member 2

Calmodulin-1

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