SMTL ID : 7sit.1 (1 other biounit)

Crystal structure of Voltage gated potassium ion channel, Kv 1.2 chimera-3m

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.32 Å

Oligo State

hetero-4-4-mer

Ligands

4 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.1: 29 residues within 4Å: Chain A: G.21, T.22, W.23, Q.29, D.51, Y.56, K.84, N.124, S.154, R.155, Q.180, W.209, S.210, P.211, L.212, A.213, C.214, G.215, S.218, K.220, Y.221, S.229, R.230, L.287, G.289, A.290, S.291, Q.295, N.299 24 PLIP interactions: 24 interactions with chain A Hydrophobic interactions: A:W.23, A:W.209 Hydrogen bonds: A:G.21, A:W.23, A:Q.29, A:K.84, A:S.154, A:S.154, A:R.155, A:S.210, A:L.212, A:C.214, A:S.218, A:K.220, A:R.230, A:G.289, A:S.291, A:S.291, A:Q.295, A:E.298, A:N.299 Salt bridges: A:K.220, A:R.230 pi-Stacking: A:W.209 NAP.5: 29 residues within 4Å: Chain C: G.21, T.22, W.23, Q.29, D.51, Y.56, K.84, N.124, S.154, R.155, Q.180, W.209, S.210, P.211, L.212, A.213, C.214, G.215, S.218, K.220, Y.221, S.229, R.230, L.287, G.289, A.290, S.291, Q.295, N.299 24 PLIP interactions: 24 interactions with chain C Hydrophobic interactions: C:W.23, C:W.209 Hydrogen bonds: C:G.21, C:W.23, C:Q.29, C:K.84, C:S.154, C:S.154, C:R.155, C:S.210, C:L.212, C:C.214, C:S.218, C:K.220, C:R.230, C:G.289, C:S.291, C:S.291, C:Q.295, C:E.298, C:N.299 Salt bridges: C:K.220, C:R.230 pi-Stacking: C:W.209 NAP.9: 29 residues within 4Å: Chain E: G.21, T.22, W.23, Q.29, D.51, Y.56, K.84, N.124, S.154, R.155, Q.180, W.209, S.210, P.211, L.212, A.213, C.214, G.215, S.218, K.220, Y.221, S.229, R.230, L.287, G.289, A.290, S.291, Q.295, N.299 24 PLIP interactions: 24 interactions with chain E Hydrophobic interactions: E:W.23, E:W.209 Hydrogen bonds: E:G.21, E:W.23, E:Q.29, E:K.84, E:S.154, E:S.154, E:R.155, E:S.210, E:L.212, E:C.214, E:S.218, E:K.220, E:R.230, E:G.289, E:S.291, E:S.291, E:Q.295, E:E.298, E:N.299 Salt bridges: E:K.220, E:R.230 pi-Stacking: E:W.209 NAP.13: 29 residues within 4Å: Chain G: G.21, T.22, W.23, Q.29, D.51, Y.56, K.84, N.124, S.154, R.155, Q.180, W.209, S.210, P.211, L.212, A.213, C.214, G.215, S.218, K.220, Y.221, S.229, R.230, L.287, G.289, A.290, S.291, Q.295, N.299 24 PLIP interactions: 24 interactions with chain G Hydrophobic interactions: G:W.23, G:W.209 Hydrogen bonds: G:G.21, G:W.23, G:Q.29, G:K.84, G:S.154, G:S.154, G:R.155, G:S.210, G:L.212, G:C.214, G:S.218, G:K.220, G:R.230, G:G.289, G:S.291, G:S.291, G:Q.295, G:E.298, G:N.299 Salt bridges: G:K.220, G:R.230 pi-Stacking: G:W.209

8 x K: POTASSIUM ION(Non-covalent)

K.2: 11 residues within 4Å: Chain B: T.389 Chain D: T.389 Chain F: T.389 Chain H: T.389 Ligands: K.3, K.6, K.7, K.10, K.11, K.14, K.15 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain F, 2 interactions with chain H, 1 interactions with chain D Metal complexes: B:T.389, F:T.389, H:T.389, H:T.389, D:T.389 K.3: 15 residues within 4Å: Chain B: T.389, V.390 Chain D: T.389, V.390 Chain F: T.389, V.390 Chain H: T.389, V.390 Ligands: K.2, K.6, K.7, K.10, K.11, K.14, K.15 5 PLIP interactions: 2 interactions with chain F, 2 interactions with chain D, 1 interactions with chain B Metal complexes: F:T.389, F:V.390, D:T.389, D:V.390, B:V.390 K.6: 11 residues within 4Å: Chain B: T.389 Chain D: T.389 Chain F: T.389 Chain H: T.389 Ligands: K.2, K.3, K.7, K.10, K.11, K.14, K.15 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain F, 2 interactions with chain H, 1 interactions with chain D Metal complexes: B:T.389, F:T.389, H:T.389, H:T.389, D:T.389 K.7: 15 residues within 4Å: Chain B: T.389, V.390 Chain D: T.389, V.390 Chain F: T.389, V.390 Chain H: T.389, V.390 Ligands: K.2, K.3, K.6, K.10, K.11, K.14, K.15 5 PLIP interactions: 2 interactions with chain B, 1 interactions with chain F, 1 interactions with chain D, 1 interactions with chain H Metal complexes: B:T.389, B:V.390, F:T.389, D:V.390, H:V.390 K.10: 11 residues within 4Å: Chain B: T.389 Chain D: T.389 Chain F: T.389 Chain H: T.389 Ligands: K.2, K.3, K.6, K.7, K.11, K.14, K.15 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain F, 2 interactions with chain H, 1 interactions with chain D Metal complexes: B:T.389, F:T.389, H:T.389, H:T.389, D:T.389 K.11: 15 residues within 4Å: Chain B: T.389, V.390 Chain D: T.389, V.390 Chain F: T.389, V.390 Chain H: T.389, V.390 Ligands: K.2, K.3, K.6, K.7, K.10, K.14, K.15 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain D, 2 interactions with chain H, 1 interactions with chain F Metal complexes: B:T.389, D:V.390, H:T.389, H:V.390, F:V.390 K.14: 11 residues within 4Å: Chain B: T.389 Chain D: T.389 Chain F: T.389 Chain H: T.389 Ligands: K.2, K.3, K.6, K.7, K.10, K.11, K.15 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain F, 2 interactions with chain H, 1 interactions with chain D Metal complexes: B:T.389, F:T.389, H:T.389, H:T.389, D:T.389 K.15: 15 residues within 4Å: Chain B: T.389, V.390 Chain D: T.389, V.390 Chain F: T.389, V.390 Chain H: T.389, V.390 Ligands: K.2, K.3, K.6, K.7, K.10, K.11, K.14 5 PLIP interactions: 2 interactions with chain F, 1 interactions with chain H, 1 interactions with chain B, 1 interactions with chain D Metal complexes: F:T.389, F:V.390, H:V.390, B:V.390, D:T.389

4 x O: OXYGEN ATOM(Non-functional Binders)

O.4: 3 residues within 4Å: Ligands: O.8, O.12, O.16 1 PLIP interactions: 1 interactions with chain H Hydrogen bonds: H:G.391 O.8: 3 residues within 4Å: Ligands: O.4, O.12, O.16 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.391 O.12: 3 residues within 4Å: Ligands: O.4, O.8, O.16 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.391 O.16: 3 residues within 4Å: Ligands: O.4, O.8, O.12 1 PLIP interactions: 1 interactions with chain H Hydrogen bonds: H:G.391

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Reddi, R. et al., Structural basis for C-type inactivation in a Shaker family voltage-gated K + channel. Sci Adv (2022)

Release Date

2022-05-04

Peptides

Voltage-gated potassium channel subunit beta-2: ACEG
Voltage gated potassium channel Kv1.2-Kv2.1: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

E
A

G
A

B
B

D
B

F
B

H
B

Membrane

We predict this structure to be a membrane protein.
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Voltage-gated potassium channel subunit beta-2

Voltage gated potassium channel Kv1.2-Kv2.1

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