SMTL ID : 7x22.1

Cryo-EM structure of non gastric H,K-ATPase alpha2 K794S in (2K+)E2-AlF state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.1: 12 residues within 4Å: Chain A: T.181, G.182, E.183, D.338, T.340, T.579, G.580, K.660, D.679, N.682, D.683 Ligands: MG.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.338, A:D.338

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: D.338, T.340, D.679 Ligands: ALF.1 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.338, A:T.340, A:D.679

3 x K: POTASSIUM ION(Non-covalent)

K.3: 7 residues within 4Å: Chain A: V.291, A.292, V.294, E.296, N.745, E.748, D.773 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:V.291, A:A.292, A:V.294, A:D.773 K.4: 4 residues within 4Å: Chain A: T.741, S.744, N.745, D.773 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:T.741, A:S.744, A:D.773, H2O.1 K.5: 4 residues within 4Å: Chain A: L.687, K.688, A.690, D.709 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.709

2 x CLR: CHOLESTEROL(Non-covalent)

CLR.6: 9 residues within 4Å: Chain A: H.255, I.256, G.259, V.260, S.263, I.264, I.267, F.268 Ligands: PCW.11 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:V.260, A:I.264, A:F.268 CLR.13: 9 residues within 4Å: Chain A: T.809, I.813, L.817 Chain B: W.52, I.55, L.56, Y.59, Y.63 Ligands: PCW.11 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:W.52, B:L.56, B:Y.59, A:L.817

6 x PCW: 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

PCW.7: 18 residues within 4Å: Chain A: C.750, I.754, L.760, L.821, L.825, F.828, F.832, W.841, P.842, T.843, I.846 Chain B: F.70, I.74, Q.75, L.78, L.79, I.81, E.83 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:I.754, A:I.754, A:L.821, A:L.825, A:F.832 Hydrogen bonds: B:Q.75 PCW.8: 16 residues within 4Å: Chain A: I.97, F.771, L.774, G.775, I.778, I.779, S.923, V.927, I.930, L.931, G.934, L.935, V.938, A.940, L.941 Ligands: PCW.9 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.771, A:F.771, A:I.779, A:V.927 PCW.9: 16 residues within 4Å: Chain A: V.101, L.104, T.105, F.108, E.296, G.297, A.300, V.304, L.308, L.774, I.778, I.779, I.782, Y.786, V.916 Ligands: PCW.8 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.101, A:L.104, A:T.105, A:A.300, A:I.782 PCW.10: 16 residues within 4Å: Chain A: I.890, I.893, A.894, I.897, I.906, F.907, Q.908, G.910, L.911, F.912, R.913, W.918, I.921, A.958, I.959, W.962 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:I.906, A:F.907, A:L.911, A:F.912, A:W.918, A:A.958, A:I.959, A:W.962, A:W.962 Salt bridges: A:R.913 PCW.11: 20 residues within 4Å: Chain A: H.252, I.256, V.260, I.264, F.268, I.746, L.753, K.803, N.808, T.809, Q.810, A.812, I.813, Y.816, L.817, L.821, K.982 Chain B: Y.63 Ligands: CLR.6, CLR.13 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.256, A:A.812, A:Y.816 Salt bridges: A:H.252 PCW.14: 9 residues within 4Å: Chain A: Q.837, V.948, Q.949, F.952, P.956 Chain B: V.76, M.77, T.87, Y.88 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:V.948, A:Q.949, B:V.76, B:M.77 Hydrogen bonds: A:Q.837

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

NAG.12: 1 residues within 4Å: Chain B: N.178 No protein-ligand interaction detected (PLIP)

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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