SMTL ID : 9ewf.2 (1 other biounit)

Cholera toxin B subunit in complex with fluorinated GM1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-pentamer

Ligands

1 x GAL- NGA- 2FG- SIA: 2-deoxy-2-fluoro-beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-galactopyranose-(1-4)-[N-acetyl-alpha-neuraminic acid-(2-3)]beta-D-galactopyranose

GAL-NGA-2FG-SIA.1: 16 residues within 4Å: Chain D: E.11, Y.12, H.13, N.14, E.51, Q.56, H.57, I.58, Q.61, W.88, N.90, K.91 Chain E: G.33, K.34, R.35 Ligands: 01.2 8 PLIP interactions: 5 interactions with chain D, 3 interactions with chain E Hydrogen bonds: D:E.51, D:Q.56, D:Q.61, D:K.91, D:E.11, D:E.11, D:H.13 Hydrophobic interactions: D:H.13, E:R.35 Water bridges: D:H.13, E:G.33, E:G.33, D:Q.61 Salt bridges: D:H.13

1 x 01: (2R,3S,4S,5R,6R)-6-dodecoxy-5-fluoranyl-2-(hydroxymethyl)oxane-3,4-diol

01.2: 3 residues within 4Å: Chain D: H.13 Ligands: GAL-NGA-2FG-SIA.1, GAL-NGA-2FG-SIA.1 1 PLIP interactions: 1 interactions with chain D Salt bridges: D:H.13

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jordan, C. et al., Probing the Origin of Affinity in the GM1-Cholera Toxin Complex through Site-Selective Editing with Fluorine. Acs Cent.Sci. (2024)

Release Date

2025-02-26

Peptides

Cholera enterotoxin subunit B: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

C
F

D
G

E
H

Cholera enterotoxin subunit B

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