SMTL ID : 3eb4.1

Voltage-dependent K+ channel beta subunit (I211R) in complex with cortisone

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-tetramer

Ligands

4 x NDP: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NDP.1: 32 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 Ligands: PDN.2 31 PLIP interactions: 31 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:D.51, A:S.154, A:S.154, 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:S.291, A:S.291, A:Q.295, A:E.298, A:N.299 Water bridges: A:K.220, A:Y.221, A:G.289, A:N.292 Salt bridges: A:K.220, A:R.230, A:R.230 pi-Stacking: A:W.209 NDP.3: 32 residues within 4Å: Chain B: 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 Ligands: PDN.4 31 PLIP interactions: 31 interactions with chain B Hydrophobic interactions: B:W.23, B:W.209 Hydrogen bonds: B:T.22, B:W.23, B:Q.29, B:D.51, B:D.51, B:S.154, B:S.154, B:Q.180, B:S.210, B:L.212, B:C.214, B:G.215, B:S.218, B:K.220, B:R.230, B:R.230, B:S.291, B:S.291, B:Q.295, B:E.298, B:N.299 Water bridges: B:K.220, B:Y.221, B:G.289, B:N.292 Salt bridges: B:K.220, B:R.230, B:R.230 pi-Stacking: B:W.209 NDP.5: 32 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 Ligands: PDN.6 31 PLIP interactions: 31 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:D.51, C:S.154, C:S.154, C:Q.180, 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:S.291, C:S.291, C:Q.295, C:E.298, C:N.299 Water bridges: C:K.220, C:Y.221, C:G.289, C:N.292 Salt bridges: C:K.220, C:R.230, C:R.230 pi-Stacking: C:W.209 NDP.7: 32 residues within 4Å: Chain D: 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, S.229, R.230, P.270, L.287, L.288, G.289, A.290, S.291, Q.295, E.298, N.299 Ligands: PDN.8 31 PLIP interactions: 31 interactions with chain D Hydrophobic interactions: D:W.23, D:W.209 Hydrogen bonds: D:T.22, D:W.23, D:Q.29, D:D.51, D:D.51, D:S.154, D:S.154, D:Q.180, D:S.210, D:L.212, D:C.214, D:G.215, D:S.218, D:K.220, D:R.230, D:R.230, D:S.291, D:S.291, D:Q.295, D:E.298, D:N.299 Water bridges: D:K.220, D:Y.221, D:G.289, D:N.292 Salt bridges: D:K.220, D:R.230, D:R.230 pi-Stacking: D:W.209

4 x PDN: 17,21-DIHYDROXYPREGNA-1,4-DIENE-3,11,20-TRIONE(Non-covalent)

PDN.2: 8 residues within 4Å: Chain A: W.23, V.55, Y.56, K.84, W.87, N.124, R.155 Ligands: NDP.1 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:W.23, A:V.55, A:W.87, A:W.87, A:W.87, A:W.87 Hydrogen bonds: A:Y.56, A:N.124, A:R.155 Water bridges: A:R.95 PDN.4: 8 residues within 4Å: Chain B: W.23, V.55, Y.56, K.84, W.87, N.124, R.155 Ligands: NDP.3 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:W.23, B:V.55, B:W.87, B:W.87, B:W.87, B:W.87 Hydrogen bonds: B:Y.56, B:N.124, B:R.155 Water bridges: B:R.95 PDN.6: 8 residues within 4Å: Chain C: W.23, V.55, Y.56, K.84, W.87, N.124, R.155 Ligands: NDP.5 10 PLIP interactions: 10 interactions with chain C Hydrophobic interactions: C:W.23, C:V.55, C:W.87, C:W.87, C:W.87, C:W.87 Hydrogen bonds: C:Y.56, C:N.124, C:R.155 Water bridges: C:R.95 PDN.8: 8 residues within 4Å: Chain D: W.23, V.55, Y.56, K.84, W.87, N.124, R.155 Ligands: NDP.7 10 PLIP interactions: 10 interactions with chain D Hydrophobic interactions: D:W.23, D:V.55, D:W.87, D:W.87, D:W.87, D:W.87 Hydrogen bonds: D:Y.56, D:N.124, D:R.155 Water bridges: D:R.95

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pan, Y. et al., Cortisone dissociates the Shaker family K+ channels from their beta subunits. Nat.Chem.Biol. (2008)

Release Date

2008-09-23

Peptides

Voltage-gated potassium channel subunit beta-2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Voltage-gated potassium channel subunit beta-2