SMTL ID : 8ya0.1

Structure of the SecA-SecY complex with the substrate FtsQ-LacY(+7C)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-1-1-1-mer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: D.194 Ligands: BEF.2, ADP.3 No protein-ligand interaction detected (PLIP)

1 x BEF: BERYLLIUM TRIFLUORIDE ION(Non-covalent)

BEF.2: 10 residues within 4Å: Chain A: T.89, G.90, K.93, E.195, G.477, Q.508, R.512, R.515 Ligands: MG.1, ADP.3 No protein-ligand interaction detected (PLIP)

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

ADP.3: 18 residues within 4Å: Chain A: M.66, F.67, P.68, F.69, Q.72, G.90, E.91, G.92, K.93, T.94, L.95, R.123, D.479, K.481, R.515, Q.516 Ligands: MG.1, BEF.2 16 PLIP interactions: 16 interactions with chain A Hydrogen bonds: A:F.69, A:Q.72, A:Q.72, A:G.90, A:E.91, A:G.92, A:K.93, A:T.94, A:T.94, A:T.94, A:R.123, A:D.479, A:K.481 Salt bridges: A:K.93, A:R.515, A:R.515

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ou, X. et al., SecY translocon chaperones protein folding during membrane protein insertion. Cell (2025)

Release Date

2025-02-26

Peptides

Protein translocase subunit SecA: A
Protein translocase subunit SecY: B
Protein translocase subunit SecE: C
Nanobody: D
Cell division protein FtsQ,Lactose permease: E
Nanobody: F
Green fluorescent protein: G

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
Y

C
E

D
V

E
B

F
C

G
G

Membrane

We predict this structure to be a membrane protein.
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Protein translocase subunit SecA

Protein translocase subunit SecY

Protein translocase subunit SecE

Nanobody

Cell division protein FtsQ,Lactose permease

Nanobody

Green fluorescent protein

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