SMTL ID : 9o53.1

Cryo-EM structure of the human SK2-4 chimera/calmodulin channel complex bound to a small molecule inhibitor

Coordinates
PDB Format
Method
ELECTRON MICROSCOPY 3.30 Å
Oligo State
hetero-4-4-mer
Ligands
4 x 01: N-(2,1,3-benzoxadiazol-4-yl)-3-(4-methoxybenzene-1-sulfonamido)benzamide
4 x K: POTASSIUM ION(Non-covalent)
16 x CA: CALCIUM ION(Non-covalent)
Links
RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP
Citation
Cassell, S.J. et al., Mechanism of SK2 channel gating and its modulation by the bee toxin apamin and small molecules. To Be Published
Release Date
2025-07-09
Peptides
Intermediate conductance calcium-activated potassium channel protein 4,Small conductance calcium-activated potassium channel protein 2 chimera: ABCD
Calmodulin-1: EFGH
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
Membrane
We predict this structure to be a membrane protein.

Intermediate conductance calcium-activated potassium channel protein 4,Small conductance calcium-activated potassium channel protein 2 chimera

Toggle Identical (ABCD)

Calmodulin-1

Toggle Identical (EFGH)

Related Entries With Identical Sequence

1iq5.1 | 1lvc.1 | 1lvc.2 | 1lvc.3 | 1wrz.1 | 2bki.1 | 2r28.1 | 2v01.1 | 2v02.1 | 2w73.1 | 2w73.2 | 2y4v.1 | 3hr4.1 | 3hr4.2 | 3hr4.3 | 3hr4.4 | 3j41.1 | 3oxq.1 | 3oxq.2 | 3sjq.1 | 3sui.1 | 4bw7.1 | 4bw7.2 | 4bw7.3 | 4bw8.1 | 4bw8.2 | 4byf.1 | 4byf.2 | 4dck.1 | 4dck.2  more...