SMTL ID : 8b23.1

Time-resolved structure of K+-dependent Na+-PPase from Thermotoga maritima 600-seconds post reaction initiation with Na+

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.84 Å

Oligo State

homo-dimer

Ligands

1 x DPO: DIPHOSPHATE(Non-covalent)

DPO.1: 15 residues within 4Å: Chain A: K.208, D.211, E.226, D.227, D.474, D.497, N.501, D.669, K.673, D.701, K.704 Ligands: MG.2, MG.3, MG.4, MG.5 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:D.227, A:N.501 Salt bridges: A:K.208, A:K.673, A:K.704

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 7 residues within 4Å: Chain A: D.211, E.226, D.237 Ligands: DPO.1, MG.3, MG.4, MG.5 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.211, A:D.211, A:D.237 MG.3: 5 residues within 4Å: Chain A: D.227, D.237 Ligands: DPO.1, MG.2, MG.4 No protein-ligand interaction detected (PLIP) MG.4: 6 residues within 4Å: Chain A: D.237, D.241, D.474 Ligands: DPO.1, MG.2, MG.3 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.241, A:D.241, A:D.474 MG.5: 7 residues within 4Å: Chain A: K.208, D.211, D.701, K.704, D.705 Ligands: DPO.1, MG.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.211, A:D.701

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Strauss, J. et al., Functional and structural asymmetry suggest a unifying principle for catalysis in membrane-bound pyrophosphatases. Embo Rep. (2024)

Release Date

2024-01-17

Peptides

K(+)-stimulated pyrophosphate-energized sodium pump: 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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K(+)-stimulated pyrophosphate-energized sodium pump

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