SMTL ID : 8u5e.1 (1 other biounit)

Crystal Structure of C-terminal domain of Clostridium perfringens Enterotoxin in Space Group P 21 21 21

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

homo-dimer

Ligands

5 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 4 residues within 4Å: Chain A: R.34, H.67, T.69, Q.121 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.34, A:R.34, A:Q.121 Water bridges: A:L.35 GOL.2: 9 residues within 4Å: Chain A: D.51, L.80, A.81, S.82, S.139, I.140, L.141 Chain B: N.44, L.49 7 PLIP interactions: 5 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:D.51, A:L.80, A:S.82, A:L.141, B:N.44, B:N.44 Water bridges: A:S.82 GOL.5: 8 residues within 4Å: Chain A: K.63, D.86, F.87, N.88, L.104, V.125, M.126, K.127 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.63, A:D.86 Water bridges: A:N.88 GOL.7: 10 residues within 4Å: Chain A: N.44, N.48, L.49 Chain B: D.51, L.80, S.82, D.110, S.139, I.140, L.141 8 PLIP interactions: 4 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:D.51, B:S.82, A:N.44, A:N.44, A:N.48 Water bridges: B:K.83, B:S.139, A:A.46 GOL.8: 5 residues within 4Å: Chain B: D.27, K.63, Y.90, L.97, V.125 1 PLIP interactions: 1 interactions with chain B Water bridges: B:K.63

3 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 3 residues within 4Å: Chain A: S.131, Y.132, S.133 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.133 Water bridges: A:Y.136, A:Y.136 ACT.4: 3 residues within 4Å: Chain A: K.76, I.115, S.116 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.116 ACT.6: 2 residues within 4Å: Chain B: S.133, G.134 No protein-ligand interaction detected (PLIP)

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

SO4.9: 3 residues within 4Å: Chain B: S.19, D.20, I.21 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.20, B:I.21

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ogbu, C.P. et al., Structural Basis of Clostridium perfringens Enterotoxin Activation and Oligomerization by Trypsin. Toxins (2023)

Release Date

2023-12-20

Peptides

Heat-labile enterotoxin B chain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Heat-labile enterotoxin B chain

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