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

Cholera holotoxin variant (chimera with E. coli heat-labile enterotoxin, 4 C-terminal substitutions)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

hetero-1-5-mer

Ligands

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

NA.1: 4 residues within 4Å: Chain A: N.1, T.90, Y.150, L.153 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.90, A:T.90, A:Y.150, A:L.153

6 x GAL: beta-D-galactopyranose(Non-covalent)

GAL.2: 1 residues within 4Å: Chain A: E.170 No protein-ligand interaction detected (PLIP) GAL.4: 9 residues within 4Å: Chain B: N.14, E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GLA.3 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:Q.56, B:Q.61, B:N.90, B:K.91, B:K.91 GAL.7: 8 residues within 4Å: Chain C: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GLA.6 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:Q.56, C:Q.61, C:Q.61, C:N.90, C:N.90 Water bridges: C:K.91 GAL.8: 7 residues within 4Å: Chain D: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 7 PLIP interactions: 7 interactions with chain D Hydrogen bonds: D:Q.56, D:Q.61, D:Q.61, D:N.90, D:N.90, D:K.91 Salt bridges: D:K.91 GAL.9: 8 residues within 4Å: Chain E: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GLA.10 6 PLIP interactions: 6 interactions with chain E Hydrogen bonds: E:Q.56, E:Q.61, E:Q.61, E:N.90, E:N.90 Water bridges: E:E.51 GAL.12: 8 residues within 4Å: Chain F: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GLA.13 4 PLIP interactions: 4 interactions with chain F Hydrogen bonds: F:Q.56, F:Q.61, F:N.90 Water bridges: F:E.51

4 x GLA: alpha-D-galactopyranose(Non-covalent)

GLA.3: 8 residues within 4Å: Chain B: N.14, E.51, Q.56, Q.61, W.88, N.90, K.91 Ligands: GAL.4 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:N.14, B:Q.56, B:Q.61, B:N.90, B:K.91, B:K.91 Water bridges: B:E.51 GLA.6: 8 residues within 4Å: Chain C: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GAL.7 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:Q.56, C:Q.61, C:Q.61, C:N.90, C:N.90 Salt bridges: C:K.91 GLA.10: 8 residues within 4Å: Chain E: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GAL.9 6 PLIP interactions: 6 interactions with chain E Hydrogen bonds: E:Q.56, E:Q.61, E:Q.61, E:N.90, E:N.90 Salt bridges: E:K.91 GLA.13: 8 residues within 4Å: Chain F: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GAL.12 6 PLIP interactions: 6 interactions with chain F Hydrogen bonds: F:Q.56, F:Q.61, F:N.90 Water bridges: F:E.51, F:K.91 Salt bridges: F:K.91

2 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.5: 5 residues within 4Å: Chain C: E.11, Y.12, H.13 Chain D: K.34, R.35 3 PLIP interactions: 1 interactions with chain D, 2 interactions with chain C Hydrogen bonds: D:R.35, C:H.13 Salt bridges: C:H.13 EPE.11: 4 residues within 4Å: Chain B: R.35 Chain F: E.11, Y.12, H.13 4 PLIP interactions: 4 interactions with chain F Hydrogen bonds: F:H.13 Water bridges: F:Y.12 Salt bridges: F:E.11, F:H.13

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Heim, J.B. et al., Cholera toxin variants. To Be Published

Release Date

2024-08-14

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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