SMTL ID : 2a79.1

Mammalian Shaker Kv1.2 potassium channel- beta subunit complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

hetero-4-4-4-4-mer

Ligands

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

NAP.1: 31 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.228, S.229, R.230, P.270, L.287, G.289, A.290, S.291, Q.295, E.298, N.299 32 PLIP interactions: 32 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:R.155, A:Q.180, 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:R.230, A:G.289, A:S.291, A:S.291, A:Q.295, A:E.298, A:N.299 Water bridges: A:G.21, A:Q.29, A:R.230, A:L.288 Salt bridges: A:K.220, A:R.230, A:R.230 pi-Stacking: A:W.209 NAP.8: 31 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.228, S.229, R.230, P.270, L.287, G.289, A.290, S.291, Q.295, E.298, N.299 32 PLIP interactions: 32 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:R.155, E:Q.180, 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:R.230, E:G.289, E:S.291, E:S.291, E:Q.295, E:E.298, E:N.299 Water bridges: E:G.21, E:Q.29, E:R.230, E:L.288 Salt bridges: E:K.220, E:R.230, E:R.230 pi-Stacking: E:W.209 NAP.15: 31 residues within 4Å: Chain I: 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.228, S.229, R.230, P.270, L.287, G.289, A.290, S.291, Q.295, E.298, N.299 32 PLIP interactions: 32 interactions with chain I Hydrophobic interactions: I:W.23, I:W.209 Hydrogen bonds: I:T.22, I:W.23, I:Q.29, I:D.51, I:S.154, I:R.155, I:Q.180, I:S.210, I:L.212, I:C.214, I:G.215, I:S.218, I:K.220, I:R.230, I:R.230, I:R.230, I:G.289, I:S.291, I:S.291, I:Q.295, I:E.298, I:N.299 Water bridges: I:G.21, I:Q.29, I:R.230, I:L.288 Salt bridges: I:K.220, I:R.230, I:R.230 pi-Stacking: I:W.209 NAP.22: 31 residues within 4Å: Chain M: 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.228, S.229, R.230, P.270, L.287, G.289, A.290, S.291, Q.295, E.298, N.299 32 PLIP interactions: 32 interactions with chain M Hydrophobic interactions: M:W.23, M:W.209 Hydrogen bonds: M:T.22, M:W.23, M:Q.29, M:D.51, M:S.154, M:R.155, M:Q.180, M:S.210, M:L.212, M:C.214, M:G.215, M:S.218, M:K.220, M:R.230, M:R.230, M:R.230, M:G.289, M:S.291, M:S.291, M:Q.295, M:E.298, M:N.299 Water bridges: M:G.21, M:Q.29, M:R.230, M:L.288 Salt bridges: M:K.220, M:R.230, M:R.230 pi-Stacking: M:W.209

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

K.2: 15 residues within 4Å: Chain B: G.376, Y.377 Chain F: G.376, Y.377 Chain J: G.376, Y.377 Chain N: G.376, Y.377 Ligands: K.3, K.9, K.10, K.16, K.17, K.23, K.24 Ligand excluded by PLIP K.3: 19 residues within 4Å: Chain B: V.375, G.376 Chain F: V.375, G.376 Chain J: V.375, G.376 Chain N: V.375, G.376 Ligands: K.2, K.4, K.9, K.10, K.11, K.16, K.17, K.18, K.23, K.24, K.25 Ligand excluded by PLIP K.4: 19 residues within 4Å: Chain B: T.374, V.375 Chain F: T.374, V.375 Chain J: T.374, V.375 Chain N: T.374, V.375 Ligands: K.3, K.5, K.10, K.11, K.12, K.17, K.18, K.19, K.24, K.25, K.26 Ligand excluded by PLIP K.5: 11 residues within 4Å: Chain B: T.374 Chain F: T.374 Chain J: T.374 Chain N: T.374 Ligands: K.4, K.11, K.12, K.18, K.19, K.25, K.26 Ligand excluded by PLIP K.6: 3 residues within 4Å: Ligands: K.13, K.20, K.27 Ligand excluded by PLIP K.7: 3 residues within 4Å: Ligands: K.14, K.21, K.28 Ligand excluded by PLIP K.9: 15 residues within 4Å: Chain B: G.376, Y.377 Chain F: G.376, Y.377 Chain J: G.376, Y.377 Chain N: G.376, Y.377 Ligands: K.2, K.3, K.10, K.16, K.17, K.23, K.24 Ligand excluded by PLIP K.10: 19 residues within 4Å: Chain B: V.375, G.376 Chain F: V.375, G.376 Chain J: V.375, G.376 Chain N: V.375, G.376 Ligands: K.2, K.3, K.4, K.9, K.11, K.16, K.17, K.18, K.23, K.24, K.25 Ligand excluded by PLIP K.11: 19 residues within 4Å: Chain B: T.374, V.375 Chain F: T.374, V.375 Chain J: T.374, V.375 Chain N: T.374, V.375 Ligands: K.3, K.4, K.5, K.10, K.12, K.17, K.18, K.19, K.24, K.25, K.26 Ligand excluded by PLIP K.12: 11 residues within 4Å: Chain B: T.374 Chain F: T.374 Chain J: T.374 Chain N: T.374 Ligands: K.4, K.5, K.11, K.18, K.19, K.25, K.26 Ligand excluded by PLIP K.13: 3 residues within 4Å: Ligands: K.6, K.20, K.27 Ligand excluded by PLIP K.14: 3 residues within 4Å: Ligands: K.7, K.21, K.28 Ligand excluded by PLIP K.16: 15 residues within 4Å: Chain B: G.376, Y.377 Chain F: G.376, Y.377 Chain J: G.376, Y.377 Chain N: G.376, Y.377 Ligands: K.2, K.3, K.9, K.10, K.17, K.23, K.24 Ligand excluded by PLIP K.17: 19 residues within 4Å: Chain B: V.375, G.376 Chain F: V.375, G.376 Chain J: V.375, G.376 Chain N: V.375, G.376 Ligands: K.2, K.3, K.4, K.9, K.10, K.11, K.16, K.18, K.23, K.24, K.25 Ligand excluded by PLIP K.18: 19 residues within 4Å: Chain B: T.374, V.375 Chain F: T.374, V.375 Chain J: T.374, V.375 Chain N: T.374, V.375 Ligands: K.3, K.4, K.5, K.10, K.11, K.12, K.17, K.19, K.24, K.25, K.26 Ligand excluded by PLIP K.19: 11 residues within 4Å: Chain B: T.374 Chain F: T.374 Chain J: T.374 Chain N: T.374 Ligands: K.4, K.5, K.11, K.12, K.18, K.25, K.26 Ligand excluded by PLIP K.20: 3 residues within 4Å: Ligands: K.6, K.13, K.27 Ligand excluded by PLIP K.21: 3 residues within 4Å: Ligands: K.7, K.14, K.28 Ligand excluded by PLIP K.23: 15 residues within 4Å: Chain B: G.376, Y.377 Chain F: G.376, Y.377 Chain J: G.376, Y.377 Chain N: G.376, Y.377 Ligands: K.2, K.3, K.9, K.10, K.16, K.17, K.24 Ligand excluded by PLIP K.24: 19 residues within 4Å: Chain B: V.375, G.376 Chain F: V.375, G.376 Chain J: V.375, G.376 Chain N: V.375, G.376 Ligands: K.2, K.3, K.4, K.9, K.10, K.11, K.16, K.17, K.18, K.23, K.25 Ligand excluded by PLIP K.25: 19 residues within 4Å: Chain B: T.374, V.375 Chain F: T.374, V.375 Chain J: T.374, V.375 Chain N: T.374, V.375 Ligands: K.3, K.4, K.5, K.10, K.11, K.12, K.17, K.18, K.19, K.24, K.26 Ligand excluded by PLIP K.26: 11 residues within 4Å: Chain B: T.374 Chain F: T.374 Chain J: T.374 Chain N: T.374 Ligands: K.4, K.5, K.11, K.12, K.18, K.19, K.25 Ligand excluded by PLIP K.27: 3 residues within 4Å: Ligands: K.6, K.13, K.20 Ligand excluded by PLIP K.28: 3 residues within 4Å: Ligands: K.7, K.14, K.21 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Long, S.B. et al., Crystal structure of a mammalian voltage-dependent Shaker family K+ channel. Science (2005)

Release Date

2005-07-12

Peptides

Voltage-gated potassium channel beta-2 subunit: AEIM
Potassium voltage-gated channel subfamily A member 2: BFJN
poly-unknown chain: CGKO
poly-unknown chain: DHLP

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

E
A

I
A

M
A

B
B

F
B

J
B

N
B

C
C

G
C

K
C

O
C

D
D

H
D

L
D

P
D

Membrane

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

Potassium voltage-gated channel subfamily A member 2

poly-unknown chain

poly-unknown chain

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