SMTL ID : 6oly.1

Full-length MthK channel at 3.1 angstrom resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.11 Å

Oligo State

homo-octamer

Ligands

24 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: R.241, D.244, D.245, E.248 Chain H: E.266 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain H Metal complexes: A:R.241, A:D.245, A:E.248, A:E.248, H:E.266 CA.2: 3 residues within 4Å: Chain A: D.184, E.210, E.212 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.184, A:D.184, A:E.210, A:E.212 CA.3: 3 residues within 4Å: Chain A: D.305 Chain H: G.290, E.326 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain H Metal complexes: A:D.305, A:D.305, H:G.290, H:E.326, H:E.326 CA.4: 5 residues within 4Å: Chain B: R.241, D.244, D.245, E.248 Chain G: E.266 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain G Metal complexes: B:R.241, B:D.245, B:E.248, B:E.248, G:E.266 CA.5: 4 residues within 4Å: Chain B: S.124, D.184, E.210, E.212 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.184, B:D.184, B:E.210, B:E.212 CA.6: 4 residues within 4Å: Chain B: D.305 Chain G: G.290, K.323, E.326 5 PLIP interactions: 3 interactions with chain G, 2 interactions with chain B Metal complexes: G:G.290, G:E.326, G:E.326, B:D.305, B:D.305 CA.7: 5 residues within 4Å: Chain C: R.241, D.244, D.245, E.248 Chain F: E.266 5 PLIP interactions: 3 interactions with chain C, 1 interactions with chain F, 1 Ligand-Water interactions Metal complexes: C:R.241, C:D.245, C:E.248, F:E.266, H2O.1 CA.8: 4 residues within 4Å: Chain C: S.124, D.184, E.210, E.212 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:D.184, C:E.210, C:E.212 CA.9: 4 residues within 4Å: Chain C: D.305 Chain F: G.290, K.323, E.326 4 PLIP interactions: 2 interactions with chain F, 2 interactions with chain C Metal complexes: F:G.290, F:E.326, C:D.305, C:D.305 CA.10: 5 residues within 4Å: Chain D: R.241, D.244, D.245, E.248 Chain E: E.266 4 PLIP interactions: 3 interactions with chain D, 1 interactions with chain E Metal complexes: D:R.241, D:D.245, D:E.248, E:E.266 CA.11: 4 residues within 4Å: Chain D: S.124, D.184, E.210, E.212 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.184, D:D.184, D:E.210, D:E.212 CA.12: 3 residues within 4Å: Chain D: D.305 Chain E: G.290, E.326 5 PLIP interactions: 3 interactions with chain E, 2 interactions with chain D Metal complexes: E:G.290, E:E.326, E:E.326, D:D.305, D:D.305 CA.13: 5 residues within 4Å: Chain D: E.266 Chain E: R.241, D.244, D.245, E.248 5 PLIP interactions: 4 interactions with chain E, 1 interactions with chain D Metal complexes: E:R.241, E:D.245, E:E.248, E:E.248, D:E.266 CA.14: 3 residues within 4Å: Chain E: D.184, E.210, E.212 4 PLIP interactions: 4 interactions with chain E Metal complexes: E:D.184, E:D.184, E:E.210, E:E.212 CA.15: 3 residues within 4Å: Chain D: G.290, E.326 Chain E: D.305 5 PLIP interactions: 2 interactions with chain E, 3 interactions with chain D Metal complexes: E:D.305, E:D.305, D:G.290, D:E.326, D:E.326 CA.16: 5 residues within 4Å: Chain C: E.266 Chain F: R.241, D.244, D.245, E.248 5 PLIP interactions: 4 interactions with chain F, 1 interactions with chain C Metal complexes: F:R.241, F:D.245, F:E.248, F:E.248, C:E.266 CA.17: 4 residues within 4Å: Chain F: S.124, D.184, E.210, E.212 4 PLIP interactions: 4 interactions with chain F Metal complexes: F:D.184, F:D.184, F:E.210, F:E.212 CA.18: 4 residues within 4Å: Chain C: G.290, K.323, E.326 Chain F: D.305 5 PLIP interactions: 3 interactions with chain C, 2 interactions with chain F Metal complexes: C:G.290, C:E.326, C:E.326, F:D.305, F:D.305 CA.19: 5 residues within 4Å: Chain B: E.266 Chain G: R.241, D.244, D.245, E.248 5 PLIP interactions: 1 interactions with chain B, 3 interactions with chain G, 1 Ligand-Water interactions Metal complexes: B:E.266, G:R.241, G:D.245, G:E.248, H2O.2 CA.20: 4 residues within 4Å: Chain G: S.124, D.184, E.210, E.212 3 PLIP interactions: 3 interactions with chain G Metal complexes: G:D.184, G:E.210, G:E.212 CA.21: 4 residues within 4Å: Chain B: G.290, K.323, E.326 Chain G: D.305 4 PLIP interactions: 2 interactions with chain G, 2 interactions with chain B Metal complexes: G:D.305, G:D.305, B:G.290, B:E.326 CA.22: 5 residues within 4Å: Chain A: E.266 Chain H: R.241, D.244, D.245, E.248 4 PLIP interactions: 3 interactions with chain H, 1 interactions with chain A Metal complexes: H:R.241, H:D.245, H:E.248, A:E.266 CA.23: 4 residues within 4Å: Chain H: S.124, D.184, E.210, E.212 4 PLIP interactions: 4 interactions with chain H Metal complexes: H:D.184, H:D.184, H:E.210, H:E.212 CA.24: 3 residues within 4Å: Chain A: G.290, E.326 Chain H: D.305 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain H Metal complexes: A:G.290, A:E.326, A:E.326, H:D.305, H:D.305

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kopec, W. et al., Molecular mechanism of a potassium channel gating through activation gate-selectivity filter coupling. Nat Commun (2019)

Release Date

2019-12-11

Peptides

Calcium-gated potassium channel MthK: ABCDEFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
A

F
B

G
C

H
D

Membrane

We predict this structure to be a membrane protein.
Show / Hide

Calcium-gated potassium channel MthK