SMTL ID : 8vow.1

Cryo-EM structure of the ABC transporter PCAT1 cysteine-free core bound with MgATP and Vi

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

1 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.1: 22 residues within 4Å: Chain A: Y.369, R.372, V.375, E.394, S.395, G.396, S.397, G.398, K.399, T.400, T.401, Q.441, E.522 Chain B: A.495, N.496, L.497, S.498, E.499, G.500, Q.501, N.526 Ligands: MG.2 17 PLIP interactions: 10 interactions with chain A, 7 interactions with chain B Hydrogen bonds: A:R.372, A:G.396, A:K.399, A:T.400, A:T.400, A:T.401, A:Q.441, B:A.495, B:S.498, B:E.499, B:G.500, B:Q.501, B:Q.501, B:N.526 Salt bridges: A:K.399, A:K.399 pi-Stacking: A:Y.369

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: T.400, Q.441 Ligands: ATP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.400 MG.5: 5 residues within 4Å: Chain A: S.498 Chain B: T.400, Q.441 Ligands: ADP.3, VO4.4 No protein-ligand interaction detected (PLIP)

1 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.3: 16 residues within 4Å: Chain A: A.495, N.496, L.497, S.498, Q.501 Chain B: Y.369, R.372, V.375, G.396, S.397, G.398, K.399, T.400, T.401 Ligands: VO4.4, MG.5 9 PLIP interactions: 2 interactions with chain A, 7 interactions with chain B Hydrogen bonds: A:A.495, A:S.498, B:G.396, B:K.399, B:T.400, B:T.400, B:T.401, B:T.401 Salt bridges: B:K.399

1 x VO4: VANADATE ION(Non-covalent)

VO4.4: 12 residues within 4Å: Chain A: S.498, E.499, G.500, N.526 Chain B: E.394, S.395, K.399, T.400, Q.441, H.553 Ligands: ADP.3, MG.5 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:S.498, A:E.499, A:G.500, B:K.399, B:Q.441, B:H.553, B:H.553

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, R. et al., Conformational cycle of a protease-containing ABC transporter in lipid nanodiscs reveals the mechanism of cargo-protein coupling. Nat Commun (2024)

Release Date

2024-10-30

Peptides

ABC-type bacteriocin transporter: 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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ABC-type bacteriocin transporter

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