SMTL ID : 8ya2.1

Structure of the SecA-SecY complex with the substrate FtsQ-LacY(+20C)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: K.106, E.208 Ligands: BEF.2, ADP.3 No protein-ligand interaction detected (PLIP)

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

BEF.2: 7 residues within 4Å: Chain A: G.103, K.106, E.208, R.525, R.528 Ligands: MG.1, ADP.3 No protein-ligand interaction detected (PLIP)

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

ADP.3: 16 residues within 4Å: Chain A: M.79, F.80, P.81, F.82, Q.85, G.103, E.104, G.105, K.106, T.107, R.136, D.492, R.528, Q.529 Ligands: MG.1, BEF.2 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:F.80, A:Q.85, A:G.103, A:E.104, A:G.105, A:K.106, A:T.107, A:D.492, A:Q.529 Salt bridges: A:K.106, A:R.528

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
Cell division protein FtsQ,Lactose permease: D
Nanobody: E
Green fluorescent protein: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
Y

C
E

D
B

E
C

F
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

Cell division protein FtsQ,Lactose permease

Nanobody

Green fluorescent protein

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