SMTL ID : 2wlj.1

Potassium channel from Magnetospirillum magnetotacticum

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-tetramer

Ligands

4 x K: POTASSIUM ION(Non-covalent)

K.1: 11 residues within 4Å: Chain A: I.97, G.98 Chain B: I.97, G.98 Chain C: I.97, G.98 Chain D: I.97, G.98 Ligands: K.2, K.8, K.9 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain C, 1 interactions with chain D, 1 interactions with chain A Metal complexes: B:I.97, C:I.97, C:G.98, D:I.97, A:G.98 K.2: 11 residues within 4Å: Chain A: G.98, Y.99 Chain B: G.98, Y.99 Chain C: G.98, Y.99 Chain D: G.98, Y.99 Ligands: K.1, K.8, K.9 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain C, 1 interactions with chain D, 1 interactions with chain B Metal complexes: A:G.98, A:Y.99, C:Y.99, D:Y.99, B:Y.99 K.8: 11 residues within 4Å: Chain A: I.97, G.98 Chain B: I.97, G.98 Chain C: I.97, G.98 Chain D: I.97, G.98 Ligands: K.1, K.2, K.9 5 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C, 1 interactions with chain D, 2 interactions with chain A Metal complexes: B:I.97, C:G.98, D:I.97, A:I.97, A:G.98 K.9: 11 residues within 4Å: Chain A: G.98, Y.99 Chain B: G.98, Y.99 Chain C: G.98, Y.99 Chain D: G.98, Y.99 Ligands: K.1, K.2, K.8 5 PLIP interactions: 2 interactions with chain C, 1 interactions with chain A, 1 interactions with chain D, 1 interactions with chain B Metal complexes: C:G.98, C:Y.99, A:Y.99, D:Y.99, B:Y.99

6 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 2 residues within 4Å: Chain A: R.202, M.215 Ligand excluded by PLIP CL.5: 4 residues within 4Å: Chain A: R.202, S.203, R.204 Ligands: SPM.4 Ligand excluded by PLIP CL.7: 2 residues within 4Å: Chain A: G.141, R.167 Ligand excluded by PLIP CL.10: 2 residues within 4Å: Chain C: R.202, M.215 Ligand excluded by PLIP CL.12: 4 residues within 4Å: Chain C: R.202, S.203, R.204 Ligands: SPM.11 Ligand excluded by PLIP CL.14: 2 residues within 4Å: Chain C: G.141, R.167 Ligand excluded by PLIP

2 x SPM: SPERMINE(Non-covalent)

SPM.4: 9 residues within 4Å: Chain A: R.202, R.204, P.206 Chain D: H.177, V.179, F.195, H.196, D.197 Ligands: CL.5 4 PLIP interactions: 3 interactions with chain D, 1 interactions with chain A Hydrophobic interactions: D:F.195 Hydrogen bonds: D:D.197, A:R.204 Water bridges: D:F.195 SPM.11: 9 residues within 4Å: Chain B: H.177, V.179, F.195, H.196, D.197 Chain C: R.202, R.204, P.206 Ligands: CL.12 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:F.195 Hydrogen bonds: B:D.197, C:R.204 Water bridges: B:F.195

2 x CA: CALCIUM ION(Non-covalent)

CA.6: 5 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: CA.13 5 PLIP interactions: 1 interactions with chain C, 1 interactions with chain B, 1 interactions with chain D, 2 interactions with chain A Metal complexes: C:T.96, B:T.96, D:T.96, A:T.96, A:T.96 CA.13: 5 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: CA.6 5 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B, 1 interactions with chain D, 1 interactions with chain A Metal complexes: C:T.96, C:T.96, B:T.96, D:T.96, A:T.96

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Clarke, O.B. et al., Domain Reorientation and Rotation of an Intracellular Assembly Regulate Conduction in Kir Potassium Channels. Cell(Cambridge,Mass.) (2010)

Release Date

2010-06-09

Peptides

POTASSIUM CHANNEL: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

Membrane

We predict this structure to be a membrane protein.
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POTASSIUM CHANNEL

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