SMTL ID : 8oxs.2 (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 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.1, A:T.90, A:L.153

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

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

3 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 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.14, B:Q.56, B:Q.61, B:N.90 GLA.7: 8 residues within 4Å: Chain E: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GAL.8 5 PLIP interactions: 5 interactions with chain E Hydrogen bonds: E:Q.56, E:Q.61, E:Q.61, E:N.90 Water bridges: E:K.91 GLA.9: 8 residues within 4Å: Chain F: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 Ligands: GAL.10 6 PLIP interactions: 6 interactions with chain F Hydrogen bonds: F:Q.56, F:Q.61, F:N.90, F:K.91 Water bridges: F:K.91, F:K.91

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

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

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
B

B
C

C
I

D
J

E
K

F
L

Cholera enterotoxin subunit A

Cholera enterotoxin subunit B

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