SMTL ID : 7x23.1

Cryo-EM structure of non gastric H,K-ATPase alpha2 SPWC mutant in 3Na+E1-AMPPCPF state

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

1 x ACP: PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER(Covalent)

ACP.1: 19 residues within 4Å: Chain A: D.338, T.340, D.412, S.414, E.415, F.444, S.446, K.449, K.470, G.471, A.472, R.513, L.515, G.580, R.654, T.655, D.679, N.682, D.683 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:D.338, A:T.340, A:T.340, A:T.340, A:D.412, A:S.414, A:E.415, A:E.415, A:K.470, A:G.580, A:N.682, A:D.683 pi-Stacking: A:F.444, A:F.444

3 x NA: SODIUM ION(Non-functional Binders)

NA.2: 5 residues within 4Å: Chain A: V.291, A.292, V.294, E.296, D.773 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:V.294, A:E.296 NA.3: 5 residues within 4Å: Chain A: A.292, S.744, N.745, E.748, D.777 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.744 Water bridges: A:N.745 NA.4: 6 residues within 4Å: Chain A: Y.740, T.743, S.744, D.777, Q.892, D.895 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.743, A:S.744, A:S.744, A:Q.892

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

NAG.5: 4 residues within 4Å: Chain B: N.178, K.193, E.249, Q.283 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:K.193

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Young, V.C. et al., Structure and function of H + /K + pump mutants reveal Na + /K + pump mechanisms. Nat Commun (2022)

Release Date

2022-10-05

Peptides

Potassium-transporting ATPase alpha chain 2: A
Sodium/potassium-transporting ATPase subunit beta-1: B

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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Potassium-transporting ATPase alpha chain 2

Sodium/potassium-transporting ATPase subunit beta-1

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