SMTL ID : 8bxg.1

Structure of the K/H exchanger KefC.

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 6 residues within 4Å: Chain A: S.125, T.127, L.152, Q.155, D.156, S.336 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:S.125, A:T.127, A:D.156 K.4: 6 residues within 4Å: Chain B: S.125, T.127, L.152, Q.155, D.156, S.336 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:S.125, B:T.127

2 x AMP: ADENOSINE MONOPHOSPHATE(Non-covalent)

AMP.2: 19 residues within 4Å: Chain A: G.406, F.407, G.408, R.409, F.410, L.428, D.429, H.430, D.431, H.434, G.448, D.449, A.450, T.451, A.470, I.471, D.472, T.476, R.496 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:R.409, A:D.429, A:D.429, A:H.430, A:H.430, A:D.449, A:D.449, A:A.450 Salt bridges: A:R.409, A:R.496 pi-Cation interactions: A:H.430, A:H.430 AMP.5: 19 residues within 4Å: Chain B: G.406, F.407, G.408, R.409, F.410, D.429, H.430, D.431, H.434, G.448, D.449, A.450, T.451, A.470, I.471, D.472, D.473, T.476, R.496 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:F.407, B:R.409, B:H.430, B:A.450 Salt bridges: B:R.409, B:R.496 pi-Stacking: B:H.430

2 x PGW: (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate(Non-covalent)

PGW.3: 17 residues within 4Å: Chain A: M.1, H.4, T.5, Q.8, A.9, Y.12, L.13, D.51, E.53, S.54, H.57, F.58, I.61, L.275 Chain B: M.1, L.224 Ligands: PGW.6 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:H.57, B:L.224 Salt bridges: A:H.57 PGW.6: 19 residues within 4Å: Chain A: M.1, L.224 Chain B: H.4, T.5, Q.8, A.9, Y.12, L.13, D.51, E.53, S.54, H.57, F.58, I.61, L.65, F.228, L.272, L.275 Ligands: PGW.3 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:H.57

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gulati, A. et al., Structure and mechanism of the K + /H + exchanger KefC. Nat Commun (2024)

Release Date

2023-12-20

Peptides

Glutathione-regulated potassium-efflux system protein KefC: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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Glutathione-regulated potassium-efflux system protein KefC

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