SMTL ID : 7siz.2 (1 other biounit)

C-type inactivation in a voltage gated K+ channel

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

hetero-4-4-mer

Ligands

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

NAP.1: 32 residues within 4Å: Chain A: G.21, T.22, W.23, T.25, 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 26 PLIP interactions: 26 interactions with chain A Hydrophobic interactions: A:W.23, A:W.209 Hydrogen bonds: A:T.22, A:W.23, A:Q.29, A:D.51, A:S.154, A:S.154, A:R.155, A:S.210, A:L.212, A:C.214, A:G.215, A:S.218, A:K.220, A:R.230, A:R.230, A:G.289, A:S.291, A:Q.295, A:Q.295, A:N.299, A:N.299 Salt bridges: A:K.220, A:R.230 pi-Stacking: A:W.209 NAP.8: 32 residues within 4Å: Chain C: G.21, T.22, W.23, T.25, 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 26 PLIP interactions: 26 interactions with chain C Hydrophobic interactions: C:W.23, C:W.209 Hydrogen bonds: C:T.22, C:W.23, C:Q.29, C:D.51, C:S.154, C:S.154, C:R.155, C:S.210, C:L.212, C:C.214, C:G.215, C:S.218, C:K.220, C:R.230, C:R.230, C:G.289, C:S.291, C:Q.295, C:Q.295, C:N.299, C:N.299 Salt bridges: C:K.220, C:R.230 pi-Stacking: C:W.209 NAP.15: 32 residues within 4Å: Chain E: G.21, T.22, W.23, T.25, 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 26 PLIP interactions: 26 interactions with chain E Hydrophobic interactions: E:W.23, E:W.209 Hydrogen bonds: E:T.22, E:W.23, E:Q.29, E:D.51, E:S.154, E:S.154, E:R.155, E:S.210, E:L.212, E:C.214, E:G.215, E:S.218, E:K.220, E:R.230, E:R.230, E:G.289, E:S.291, E:Q.295, E:Q.295, E:N.299, E:N.299 Salt bridges: E:K.220, E:R.230 pi-Stacking: E:W.209 NAP.22: 32 residues within 4Å: Chain G: G.21, T.22, W.23, T.25, 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 26 PLIP interactions: 26 interactions with chain G Hydrophobic interactions: G:W.23, G:W.209 Hydrogen bonds: G:T.22, G:W.23, G:Q.29, G:D.51, G:S.154, G:S.154, G:R.155, G:S.210, G:L.212, G:C.214, G:G.215, G:S.218, G:K.220, G:R.230, G:R.230, G:G.289, G:S.291, G:Q.295, G:Q.295, G:N.299, G:N.299 Salt bridges: G:K.220, G:R.230 pi-Stacking: G:W.209

24 x K: POTASSIUM ION(Non-covalent)(Non-functional Binders)

K.2: 19 residues within 4Å: Chain B: V.390, G.391 Chain D: V.390, G.391 Chain F: V.390, G.391 Chain H: V.390, G.391 Ligands: K.3, K.5, K.9, K.10, K.12, K.16, K.17, K.19, K.23, K.24, K.26 Ligand excluded by PLIP K.3: 19 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.9, K.10, K.13, K.16, K.17, K.20, K.23, K.24, K.27 Ligand excluded by PLIP K.4: 7 residues within 4Å: Ligands: K.7, K.11, K.14, K.18, K.21, K.25, K.28 Ligand excluded by PLIP K.5: 15 residues within 4Å: Chain B: G.391, Y.392 Chain D: G.391, Y.392 Chain F: G.391, Y.392 Chain H: G.391, Y.392 Ligands: K.2, K.9, K.12, K.16, K.19, K.23, K.26 Ligand excluded by PLIP K.6: 11 residues within 4Å: Chain B: T.389 Chain D: T.389 Chain F: T.389 Chain H: T.389 Ligands: K.3, K.10, K.13, K.17, K.20, K.24, K.27 Ligand excluded by PLIP K.7: 7 residues within 4Å: Ligands: K.4, K.11, K.14, K.18, K.21, K.25, K.28 Ligand excluded by PLIP K.9: 19 residues within 4Å: Chain B: V.390, G.391 Chain D: V.390, G.391 Chain F: V.390, G.391 Chain H: V.390, G.391 Ligands: K.2, K.3, K.5, K.10, K.12, K.16, K.17, K.19, K.23, K.24, K.26 Ligand excluded by PLIP K.10: 19 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.9, K.13, K.16, K.17, K.20, K.23, K.24, K.27 Ligand excluded by PLIP K.11: 7 residues within 4Å: Ligands: K.4, K.7, K.14, K.18, K.21, K.25, K.28 Ligand excluded by PLIP K.12: 15 residues within 4Å: Chain B: G.391, Y.392 Chain D: G.391, Y.392 Chain F: G.391, Y.392 Chain H: G.391, Y.392 Ligands: K.2, K.5, K.9, K.16, K.19, K.23, K.26 Ligand excluded by PLIP K.13: 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.10, K.17, K.20, K.24, K.27 Ligand excluded by PLIP K.14: 7 residues within 4Å: Ligands: K.4, K.7, K.11, K.18, K.21, K.25, K.28 Ligand excluded by PLIP K.16: 19 residues within 4Å: Chain B: V.390, G.391 Chain D: V.390, G.391 Chain F: V.390, G.391 Chain H: V.390, G.391 Ligands: K.2, K.3, K.5, K.9, K.10, K.12, K.17, K.19, K.23, K.24, K.26 Ligand excluded by PLIP K.17: 19 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.9, K.10, K.13, K.16, K.20, K.23, K.24, K.27 Ligand excluded by PLIP K.18: 7 residues within 4Å: Ligands: K.4, K.7, K.11, K.14, K.21, K.25, K.28 Ligand excluded by PLIP K.19: 15 residues within 4Å: Chain B: G.391, Y.392 Chain D: G.391, Y.392 Chain F: G.391, Y.392 Chain H: G.391, Y.392 Ligands: K.2, K.5, K.9, K.12, K.16, K.23, K.26 Ligand excluded by PLIP K.20: 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.10, K.13, K.17, K.24, K.27 Ligand excluded by PLIP K.21: 7 residues within 4Å: Ligands: K.4, K.7, K.11, K.14, K.18, K.25, K.28 Ligand excluded by PLIP K.23: 19 residues within 4Å: Chain B: V.390, G.391 Chain D: V.390, G.391 Chain F: V.390, G.391 Chain H: V.390, G.391 Ligands: K.2, K.3, K.5, K.9, K.10, K.12, K.16, K.17, K.19, K.24, K.26 Ligand excluded by PLIP K.24: 19 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.9, K.10, K.13, K.16, K.17, K.20, K.23, K.27 Ligand excluded by PLIP K.25: 7 residues within 4Å: Ligands: K.4, K.7, K.11, K.14, K.18, K.21, K.28 Ligand excluded by PLIP K.26: 15 residues within 4Å: Chain B: G.391, Y.392 Chain D: G.391, Y.392 Chain F: G.391, Y.392 Chain H: G.391, Y.392 Ligands: K.2, K.5, K.9, K.12, K.16, K.19, K.23 Ligand excluded by PLIP K.27: 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.10, K.13, K.17, K.20, K.24 Ligand excluded by PLIP K.28: 7 residues within 4Å: Ligands: K.4, K.7, K.11, K.14, K.18, K.21, K.25 Ligand excluded by PLIP

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
C

C
C

E
C

G
C

B
D

D
D

F
D

H
D

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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