SMTL ID : 3u6n.3 (2 other biounits)

Open Structure of the BK channel Gating Ring

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.61 Å

Oligo State

homo-octamer

Ligands

8 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: Q.520, D.523, Q.524, D.526, D.528 Chain H: N.110 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:Q.520, A:D.523, A:D.526, A:D.528, A:D.528 CA.2: 6 residues within 4Å: Chain B: Q.520, D.523, Q.524, D.526, D.528 Chain G: N.110 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:Q.520, B:D.523, B:D.526, B:D.528, B:D.528 CA.3: 6 residues within 4Å: Chain C: Q.520, D.523, Q.524, D.526, D.528 Chain F: N.110 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:Q.520, C:D.523, C:D.526, C:D.528, C:D.528 CA.4: 6 residues within 4Å: Chain C: N.110 Chain D: Q.520, D.523, Q.524, D.526, D.528 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:Q.520, D:D.523, D:D.526, D:D.528, D:D.528 CA.5: 6 residues within 4Å: Chain D: N.110 Chain E: Q.520, D.523, Q.524, D.526, D.528 5 PLIP interactions: 5 interactions with chain E Metal complexes: E:Q.520, E:D.523, E:D.526, E:D.528, E:D.528 CA.6: 6 residues within 4Å: Chain E: N.110 Chain F: Q.520, D.523, Q.524, D.526, D.528 5 PLIP interactions: 5 interactions with chain F Metal complexes: F:Q.520, F:D.523, F:D.526, F:D.528, F:D.528 CA.7: 6 residues within 4Å: Chain A: N.110 Chain G: Q.520, D.523, Q.524, D.526, D.528 5 PLIP interactions: 5 interactions with chain G Metal complexes: G:Q.520, G:D.523, G:D.526, G:D.528, G:D.528 CA.8: 6 residues within 4Å: Chain B: N.110 Chain H: Q.520, D.523, Q.524, D.526, D.528 5 PLIP interactions: 5 interactions with chain H Metal complexes: H:Q.520, H:D.523, H:D.526, H:D.528, H:D.528

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yuan, P. et al., Open structure of the Ca(2+) gating ring in the high-conductance Ca(2+)-activated K(+) channel. Nature (2011)

Release Date

2011-12-07

Peptides

High-Conductance Ca2+-Activated K+ Channel protein: ABCDEFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

High-Conductance Ca2+-Activated K+ Channel protein

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