SMTL ID : 8v5e.1

IpaD (122-321) Pi-helix Mutant (delta Q148) Bound to Deoxycholate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x DXC: (3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID(Non-covalent)

DXC.1: 10 residues within 4Å: Chain A: N.187, K.190, S.194 Chain B: D.22, Y.26, Q.99, K.102, W.103, F.185, L.188 8 PLIP interactions: 6 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:D.22, B:F.185, B:L.188, A:K.190 Hydrogen bonds: B:Q.99, A:S.194 Water bridges: B:Y.26 Salt bridges: B:K.102 DXC.2: 5 residues within 4Å: Chain A: D.22, Y.26, K.177, N.180 Chain B: N.187 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:Y.26, A:Y.26, A:Y.26 Hydrogen bonds: A:N.180 Salt bridges: A:K.177

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 2 residues within 4Å: Chain A: T.195 Chain B: S.19 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.19, B:S.19

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Barker, S.A. et al., Structural and functional characterization of the IpaD pi-helix reveals critical roles in DOC interaction, T3SS apparatus maturation, and Shigella virulence. J.Biol.Chem. (2024)

Release Date

2024-08-21

Peptides

Invasin IpaD: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Invasin IpaD

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