SMTL ID : 8q6i.1

Cholera holotoxin variant (chimera with E. coli heat-labile enterotoxin, 1 C-terminal substitution)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

hetero-1-5-mer

Ligands

2 x NA: SODIUM ION(Non-functional Binders)

NA.1: 4 residues within 4Å: Chain A: N.1, T.90, Y.150, L.153 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.1, A:T.90, A:T.90, A:L.153, A:L.153 NA.2: 6 residues within 4Å: Chain A: W.174, R.175, A.183, C.187, G.188, N.189 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.175, A:G.188, A:N.189

11 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 5 residues within 4Å: Chain B: H.18, A.46, T.47, P.93, H.94 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain F Hydrogen bonds: B:G.45, B:T.47, B:H.94 Water bridges: F:Q.3 GOL.4: 2 residues within 4Å: Chain B: Q.56, K.91 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:K.91, B:K.91 GOL.5: 5 residues within 4Å: Chain B: N.4, I.5, E.83 Chain C: F.25, S.26 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain C Hydrogen bonds: B:E.83 Water bridges: B:I.5, B:I.5, C:S.26, C:S.26, C:S.26, C:T.28 GOL.7: 5 residues within 4Å: Chain C: E.51, Q.56, W.88, N.90, K.91 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:E.51, C:N.90, C:N.90 GOL.8: 6 residues within 4Å: Chain C: H.18, G.45, A.46, T.47, P.93, H.94 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:T.47, C:T.47, C:H.94 GOL.10: 5 residues within 4Å: Chain D: A.46, T.47, F.48, P.93, H.94 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:T.47, D:H.94 GOL.11: 5 residues within 4Å: Chain E: I.5, E.83, S.100 Chain F: F.25, S.26 7 PLIP interactions: 4 interactions with chain F, 3 interactions with chain E Water bridges: F:T.28, F:T.28, F:T.41, F:T.41, E:I.5 Hydrogen bonds: E:S.100, E:S.100 GOL.12: 6 residues within 4Å: Chain D: Q.3 Chain E: A.46, T.47, T.92, P.93, H.94 4 PLIP interactions: 2 interactions with chain E, 2 interactions with chain D Hydrogen bonds: E:T.47, E:H.94, D:Q.3, D:Q.3 GOL.13: 5 residues within 4Å: Chain E: E.51, Q.56, W.88, N.90, K.91 4 PLIP interactions: 4 interactions with chain E Hydrogen bonds: E:E.51, E:N.90, E:N.90, E:K.91 GOL.14: 5 residues within 4Å: Chain F: E.51, Q.56, W.88, N.90, K.91 3 PLIP interactions: 3 interactions with chain F Hydrogen bonds: F:E.51, F:N.90, F:N.90 GOL.15: 4 residues within 4Å: Chain F: A.46, T.47, P.93, H.94 3 PLIP interactions: 3 interactions with chain F Hydrogen bonds: F:T.47, F:H.94, F:H.94

2 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.6: 7 residues within 4Å: Chain B: K.23, I.24, Y.76, L.77, E.79 Chain F: A.80, N.103 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain F Hydrogen bonds: B:I.24 Water bridges: B:Y.76, F:K.81, F:N.103 PEG.9: 8 residues within 4Å: Chain A: K.219 Chain B: N.103 Chain C: K.23, I.24, F.25, Y.76, L.77, E.79 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C, 2 interactions with chain A Hydrogen bonds: B:N.103, C:E.79, A:K.219 Water bridges: A:K.219

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kersten, F. et al., Cholera toxin variants. To be published

Release Date

2025-02-12

Peptides

Cholera enterotoxin subunit A: A
Cholera enterotoxin subunit B: BCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

C
E

D
F

E
G

F
H

Cholera enterotoxin subunit A

Cholera enterotoxin subunit B

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