SMTL ID : 7t55.1

Cryo-EM structure of PCAT1 in the inward-facing wide conformation under ATP turnover condition

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-mer

Ligands

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

ATP.1: 10 residues within 4Å: Chain A: N.262, Y.498, G.525, S.526, G.527, K.528, T.529, T.530, Q.570 Ligands: MG.2 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:Y.498, A:K.528, A:T.529, A:T.530, A:Y.539, A:Y.539, A:Q.570, A:Q.570, A:Q.570 Salt bridges: A:K.528, A:K.528 ATP.3: 11 residues within 4Å: Chain C: Y.498, R.501, V.504, G.525, S.526, G.527, K.528, T.529, T.530, Q.570 Ligands: MG.4 12 PLIP interactions: 12 interactions with chain C Hydrogen bonds: C:Y.498, C:R.501, C:G.525, C:G.527, C:K.528, C:T.529, C:T.529, C:T.529, C:T.530 Salt bridges: C:K.528, C:K.528, C:K.533

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: K.528, T.529 Ligands: ATP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.529 MG.4: 3 residues within 4Å: Chain C: T.529, Q.570 Ligands: ATP.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kieuvongngam, V. et al., Structures of the peptidase-containing ABC transporter PCAT1 under equilibrium and nonequilibrium conditions. Proc.Natl.Acad.Sci.USA (2022)

Release Date

2022-02-02

Peptides

ABC-type bacteriocin transporter: AC
PCAT1 peptide substrate: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
B

B
C

D
D

Membrane

We predict this structure to be a membrane protein.
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ABC-type bacteriocin transporter

PCAT1 peptide substrate

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