4weu

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Co-complex structure of the F4 fimbrial adhesin FaeG variant ad with llama single domain antibody V3

Structural highlights

4weu is a 4 chain structure with sequence from Escherichia coli and Lama glama. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.61Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

R9W3F6_LAMGL

Publication Abstract from PubMed

Enterotoxigenic Escherichia coli that cause neonatal and post-weaning diarrhea in piglets express F4 fimbriae to mediate attachment towards host receptors. Recently we described how llama single domain antibodies (VHHs) fused to IgA, produced in Arabidopsis thaliana seeds and fed to piglets resulted in a progressive decline in shedding of F4 positive ETEC bacteria. Here we present the structures of these inhibiting VHHs in complex with the major adhesive subunit FaeG. A conserved surface, distant from the lactose binding pocket, is targeted by these VHHs, highlighting the possibility of targeting epitopes on single-domain adhesins that are non-involved in receptor binding.

Structural insight in the inhibition of adherence of F4 fimbriae producing enterotoxigenic Escherichia coli by llama single domain antibodies.,Moonens K, Van den Broeck I, Okello E, Pardon E, De Kerpel M, Remaut H, De Greve H Vet Res. 2015 Feb 24;46(1):14. doi: 10.1186/s13567-015-0151-x. PMID:25828907[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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Citations
1 reviews cite this structure
Evolution and structural dynamics of bacterial glycan binding adhesins.
Moonens et al. (2017)
0 more
7 other articles
No citations found

See Also

References

  1. ↑ Moonens K, Van den Broeck I, Okello E, Pardon E, De Kerpel M, Remaut H, De Greve H. Structural insight in the inhibition of adherence of F4 fimbriae producing enterotoxigenic Escherichia coli by llama single domain antibodies. Vet Res. 2015 Feb 24;46(1):14. doi: 10.1186/s13567-015-0151-x. PMID:25828907 doi:http://dx.doi.org/10.1186/s13567-015-0151-x

Contents


PDB ID 4weu

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