SMTL ID : 7adi.1

KirBac3.1 W46R: role of a highly conserved tryptophan at the membrane-water interface of Kir channel

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-tetramer

Ligands

6 x K: POTASSIUM ION(Non-covalent)

K.1: 9 residues within 4Å: Chain A: Y.99, G.100 Chain B: Y.99 Chain C: Y.99, G.100 Chain D: Y.99 Ligands: K.3, K.5, K.7 No protein-ligand interaction detected (PLIP) K.2: 13 residues within 4Å: Chain A: T.96, I.97 Chain B: T.96, I.97 Chain C: T.96, I.97 Chain D: T.96, I.97 Ligands: K.3, MG.4, K.6, K.7, MG.8 2 PLIP interactions: 1 interactions with chain C, 1 interactions with chain A Metal complexes: C:I.97, A:I.97 K.3: 13 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.5, K.6, K.7 No protein-ligand interaction detected (PLIP) K.5: 9 residues within 4Å: Chain A: Y.99, G.100 Chain B: Y.99 Chain C: Y.99, G.100 Chain D: Y.99 Ligands: K.1, K.3, K.7 No protein-ligand interaction detected (PLIP) K.6: 13 residues within 4Å: Chain A: T.96, I.97 Chain B: T.96, I.97 Chain C: T.96, I.97 Chain D: T.96, I.97 Ligands: K.2, K.3, MG.4, K.7, MG.8 2 PLIP interactions: 1 interactions with chain C, 1 interactions with chain A Metal complexes: C:I.97, A:I.97 K.7: 13 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.3, K.5, K.6 No protein-ligand interaction detected (PLIP)

2 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 7 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: K.2, K.6, MG.8 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C Metal complexes: A:T.96, A:T.96, D:T.96, B:T.96, C:T.96 MG.8: 7 residues within 4Å: Chain A: T.96 Chain B: T.96 Chain C: T.96 Chain D: T.96 Ligands: K.2, MG.4, K.6 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain B, 1 interactions with chain C Metal complexes: A:T.96, A:T.96, D:T.96, B:T.96, C:T.96

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fagnen, C. et al., Integrative Study of the Structural and Dynamical Properties of a KirBac3.1 Mutant: Functional Implication of a Highly Conserved Tryptophan in the Transmembrane Domain. Int J Mol Sci (2021)

Release Date

2022-01-12

Peptides

Inward rectifier potassium channel Kirbac3.1: 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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Inward rectifier potassium channel Kirbac3.1