Crystal structure of AofleA from Arthrobotrys oligospora in complex with L-fucoseCrystal structure of AofleA from Arthrobotrys oligospora in complex with L-fucose

Structural highlights

7c38 is a 2 chain structure with sequence from Orbilia oligospora ATCC 24927. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.2Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

G1XA82_ARTOA

Publication Abstract from PubMed

Fungal lectin can bind specific carbohydrate structures of the host and work in recognition and adhesion or as a toxic factor. AofleA, as a fucose-specific lectin from widely studied nematode predatory fungus Arthrobotrys oligospora, possibly plays a key role in the event of capturing nematodes, but the mechanism remains unknown. Here we report the crystal structure of AofleA, which exists as a homodimer with each subunit folds as a six-bladed beta-propeller. Our structural and biological results revealed that three of the six putative binding sites of AofleA had fucose-binding abilities. In addition, we found that AofleA could bind to the pharynx and intestine of the nematode in a fucose-binding-dependent manner. Our results facilitate the understanding of the mechanism that fucose-specific lectin mediates fungi-nematodes interaction, and provide structural information for the development of potential applications of AofleA.

Structural insights into the fungi-nematodes interaction mediated by fucose-specific lectin AofleA from Arthrobotrys oligospora.,Liu M, Cheng X, Wang J, Tian D, Tang K, Xu T, Zhang M, Wang Y, Wang M Int J Biol Macromol. 2020 Jul 19;164:783-793. doi:, 10.1016/j.ijbiomac.2020.07.173. PMID:32698064[1]

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

References

  1. Liu M, Cheng X, Wang J, Tian D, Tang K, Xu T, Zhang M, Wang Y, Wang M. Structural insights into the fungi-nematodes interaction mediated by fucose-specific lectin AofleA from Arthrobotrys oligospora. Int J Biol Macromol. 2020 Jul 19;164:783-793. doi:, 10.1016/j.ijbiomac.2020.07.173. PMID:32698064 doi:http://dx.doi.org/10.1016/j.ijbiomac.2020.07.173

7c38, resolution 1.20Å

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