SMTL ID : 9ixy.1

Human KCNQ2-CaM-Ebio2 Complex in the Presence of PIP2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

4 x 01: ~{N}-[7-[bis(fluoranyl)methoxy]-1-prop-2-ynyl-indazol-3-yl]-3,3-dimethyl-butanamide

01.1: 15 residues within 4Å: Chain A: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 Chain D: L.237, I.238, S.241, F.242 11 PLIP interactions: 4 interactions with chain D, 7 interactions with chain A Hydrophobic interactions: D:F.242, A:V.163, A:W.174, A:F.243, A:P.246 Hydrogen bonds: D:L.237, D:S.241, D:S.241, A:W.174 pi-Stacking: A:W.174 Halogen bonds: A:W.174 01.3: 15 residues within 4Å: Chain A: L.237, I.238, S.241, F.242 Chain B: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 11 PLIP interactions: 7 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:V.163, B:W.174, B:F.243, B:P.246, A:F.242 Hydrogen bonds: B:W.174, A:L.237, A:S.241, A:S.241 pi-Stacking: B:W.174 Halogen bonds: B:W.174 01.5: 15 residues within 4Å: Chain B: L.237, I.238, S.241, F.242 Chain C: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 11 PLIP interactions: 4 interactions with chain B, 7 interactions with chain C Hydrophobic interactions: B:F.242, C:V.163, C:W.174, C:F.243, C:P.246 Hydrogen bonds: B:L.237, B:S.241, B:S.241, C:W.174 pi-Stacking: C:W.174 Halogen bonds: C:W.174 01.7: 15 residues within 4Å: Chain C: L.237, I.238, S.241, F.242 Chain D: L.159, V.163, L.170, A.173, W.174, G.177, F.178, F.242, F.243, P.246, L.250 11 PLIP interactions: 7 interactions with chain D, 4 interactions with chain C Hydrophobic interactions: D:V.163, D:W.174, D:F.243, D:P.246, C:F.242 Hydrogen bonds: D:W.174, C:L.237, C:S.241, C:S.241 pi-Stacking: D:W.174 Halogen bonds: D:W.174

4 x PIO: [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate(Non-covalent)

PIO.2: 15 residues within 4Å: Chain A: R.25, F.31, F.38, M.146, M.149, D.150, R.152, T.155, K.265 Chain D: V.163, S.167, K.168, V.171, W.174, Y.175 13 PLIP interactions: 7 interactions with chain A, 6 interactions with chain D Hydrophobic interactions: A:F.38, A:T.155, D:V.171, D:V.171, D:Y.175 Salt bridges: A:R.25, A:R.152, A:R.152, A:K.265, A:K.265, D:K.168, D:K.168 Hydrogen bonds: D:S.167 PIO.4: 15 residues within 4Å: Chain A: V.163, S.167, K.168, V.171, W.174, Y.175 Chain B: R.25, F.31, F.38, M.146, M.149, D.150, R.152, T.155, K.265 13 PLIP interactions: 7 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:F.38, B:T.155, A:V.171, A:V.171, A:Y.175 Salt bridges: B:R.25, B:R.152, B:R.152, B:K.265, B:K.265, A:K.168, A:K.168 Hydrogen bonds: A:S.167 PIO.6: 15 residues within 4Å: Chain B: V.163, S.167, K.168, V.171, W.174, Y.175 Chain C: R.25, F.31, F.38, M.146, M.149, D.150, R.152, T.155, K.265 13 PLIP interactions: 7 interactions with chain C, 6 interactions with chain B Hydrophobic interactions: C:F.38, C:T.155, B:V.171, B:V.171, B:Y.175 Salt bridges: C:R.25, C:R.152, C:R.152, C:K.265, C:K.265, B:K.168, B:K.168 Hydrogen bonds: B:S.167 PIO.8: 15 residues within 4Å: Chain C: V.163, S.167, K.168, V.171, W.174, Y.175 Chain D: R.25, F.31, F.38, M.146, M.149, D.150, R.152, T.155, K.265 13 PLIP interactions: 6 interactions with chain C, 7 interactions with chain D Hydrophobic interactions: C:V.171, C:V.171, C:Y.175, D:F.38, D:T.155 Hydrogen bonds: C:S.167 Salt bridges: C:K.168, C:K.168, D:R.25, D:R.152, D:R.152, D:K.265, D:K.265

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yang, Z. et al., Human KCNQ2-CaM-Ebio2 Complex in the Presence of PIP2. To Be Published

Release Date

2025-03-19

Peptides

Isoform 3 of Potassium voltage-gated channel subfamily KQT member 2: ABCD
Calmodulin-3: 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 3 of Potassium voltage-gated channel subfamily KQT member 2

Calmodulin-3

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