SMTL ID : 6hmw.2 (1 other biounit)

Cholera toxin classical B-pentamer in complex with fucose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-pentamer

Ligands

7 x FUL: beta-L-fucopyranose(Post Translational Modification)(Non-covalent)

FUL.1: 4 residues within 4Å: Chain A: T.1, P.2, E.11 Chain B: R.35 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:P.2, A:E.11 FUL.2: 9 residues within 4Å: Chain A: H.18, G.45, A.46, T.47, F.48, T.92, P.93, H.94 Chain E: Q.3 7 PLIP interactions: 4 interactions with chain A, 3 interactions with chain E Hydrophobic interactions: A:F.48 Hydrogen bonds: A:T.47, A:H.94, A:H.94, E:Q.3, E:Q.3, E:Q.3 FUL.3: 4 residues within 4Å: Chain B: T.1, P.2, E.11 Chain C: R.35 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:E.11 Hydrogen bonds: B:T.1, B:T.1 FUL.4: 8 residues within 4Å: Chain A: Q.3 Chain B: G.45, A.46, T.47, F.48, T.92, P.93, H.94 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.3, B:T.47, B:H.94 Hydrophobic interactions: B:F.48 FUL.5: 9 residues within 4Å: Chain B: Q.3 Chain C: H.18, G.45, A.46, T.47, F.48, T.92, P.93, H.94 8 PLIP interactions: 5 interactions with chain C, 3 interactions with chain B Hydrophobic interactions: C:A.46, C:F.48 Hydrogen bonds: C:T.47, C:H.94, C:H.94, B:Q.3, B:Q.3, B:Q.3 FUL.6: 9 residues within 4Å: Chain C: Q.3 Chain D: H.18, G.45, A.46, T.47, F.48, T.92, P.93, H.94 6 PLIP interactions: 2 interactions with chain C, 4 interactions with chain D Hydrogen bonds: C:Q.3, C:Q.3, D:T.47, D:T.47, D:H.94 Hydrophobic interactions: D:F.48 FUL.7: 9 residues within 4Å: Chain D: Q.3 Chain E: H.18, G.45, A.46, T.47, F.48, T.92, P.93, H.94 6 PLIP interactions: 4 interactions with chain E, 2 interactions with chain D Hydrophobic interactions: E:F.48 Hydrogen bonds: E:T.47, E:T.47, E:H.94, D:Q.3, D:Q.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Heim, J.B. et al., Crystal structures of cholera toxin in complex with fucosylated receptors point to importance of secondary binding site. Sci Rep (2019)

Release Date

2019-08-14

Peptides

Cholera enterotoxin B-subunit: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

E
J

Cholera enterotoxin B-subunit

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