SMTL ID : 8g0g.1

Crystal structure of diphtheria toxin H223Q/H257Q double mutant (pH 4.5)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x APU: ADENYLYL-3'-5'-PHOSPHO-URIDINE-3'-MONOPHOSPHATE(Non-covalent)

APU.1: 14 residues within 4Å: Chain A: H.22, G.23, K.25, Y.28, I.32, G.35, I.36, Q.37, P.39, F.54, Y.55, Y.66, W.154 Chain B: S.447 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.66 Hydrogen bonds: A:G.23, A:G.23, A:G.35, A:Q.37 Water bridges: A:G.53, A:Y.55, A:Y.66 Salt bridges: A:K.25 pi-Stacking: A:Y.66 APU.2: 14 residues within 4Å: Chain A: S.447, R.459 Chain B: H.22, G.23, K.25, Y.28, I.32, G.35, I.36, Q.37, F.54, Y.55, Y.66, W.154 9 PLIP interactions: 2 interactions with chain A, 7 interactions with chain B Water bridges: A:R.459, A:R.459 Hydrophobic interactions: B:Y.66 Hydrogen bonds: B:G.23, B:G.23, B:G.35, B:Q.37 Salt bridges: B:K.25 pi-Stacking: B:Y.66

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rodnin, M.V. et al., Histidine Protonation and Conformational Switching in Diphtheria Toxin Translocation Domain. Toxins (2023)

Release Date

2023-07-05

Peptides

Diphtheria toxin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Diphtheria toxin

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