SMTL ID : 7mjq.1

Vascular KATP channel: Kir6.1 SUR2B quatrefoil-like conformation 2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-2-mer

Ligands

2 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 1 residues within 4Å: Chain E: N.9 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 1 residues within 4Å: Chain F: N.9 No protein-ligand interaction detected (PLIP)

1 x K: POTASSIUM ION(Non-functional Binders)

K.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

5 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Covalent)(Non-covalent)

ATP.4: 8 residues within 4Å: Chain A: F.193, R.195, Y.339, S.340, F.342, G.343 Chain D: N.49, R.51 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain D Hydrogen bonds: A:R.195, A:Y.339, A:G.343, D:R.51 ATP.5: 10 residues within 4Å: Chain A: N.49, I.50, R.51 Chain B: F.193, S.194, R.195, Y.339, S.340, F.342, G.343 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.195, B:F.342, B:G.343, A:N.49, A:R.51 ATP.6: 7 residues within 4Å: Chain B: N.49, R.51 Chain C: I.192, F.193, R.195, Y.339, G.343 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.49, B:R.51 ATP.7: 3 residues within 4Å: Chain D: F.193, R.195, G.343 4 PLIP interactions: 3 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:R.195, D:G.343, D:G.343, C:R.51 ATP.8: 5 residues within 4Å: Chain E: W.677, C.705, G.706, K.707, S.708 3 PLIP interactions: 3 interactions with chain E Hydrogen bonds: E:G.706, E:K.707, E:S.708

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sung, M.W. et al., Vascular K ATP channel structural dynamics reveal regulatory mechanism by Mg-nucleotides. Proc.Natl.Acad.Sci.USA (2021)

Release Date

2021-10-13

Peptides

ATP-sensitive inward rectifier potassium channel 8: ABCD
Isoform SUR2B of ATP-binding cassette sub-family C member 9: EF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
G

Membrane

We predict this structure to be a membrane protein.
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ATP-sensitive inward rectifier potassium channel 8

Isoform SUR2B of ATP-binding cassette sub-family C member 9

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