SMTL ID : 6o38.1 (5 other biounits)

Structure of a chaperone-substrate complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.498, H.502, H.508 Chain B: D.170 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Metal complexes: B:D.170, B:D.170, A:H.498, A:H.502, A:H.508

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: S.438, R.441, W.474 Chain B: H.175 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Salt bridges: A:R.441, B:H.175 SO4.3: 2 residues within 4Å: Chain A: K.354, R.419 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:K.354, A:R.419 SO4.4: 3 residues within 4Å: Chain A: K.275, Y.277, Y.539 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.277 Salt bridges: A:K.275 SO4.5: 3 residues within 4Å: Chain B: Q.41, Q.42, I.43 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.41, B:Q.42, B:I.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Urusova, D.V. et al., The structure ofAcinetobacter-secreted protease CpaA complexed with its chaperone CpaB reveals a novel mode of a T2SS chaperone-substrate interaction. J.Biol.Chem. (2019)

Release Date

2019-07-24

Peptides

Acinetobacter secreted protease CpaA: A
Type II secretion chaperone CpaB: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
G

Acinetobacter secreted protease CpaA

Type II secretion chaperone CpaB

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