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ECB-ART-53320
Int J Biol Macromol 2024 Nov 09;281Pt 3:136447. doi: 10.1016/j.ijbiomac.2024.136447.
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Characterization of a novel endo-1,3-fucanase from Wenyingzhuangia fucanilytica within glycoside hydrolase family 168.

Shen J , Chen G , Zhang Y , Mei X , Zheng L , Xue C , Chang Y .


Abstract
Sulfated fucan has attracted considerable research interest in recent years due to its diverse physiological activities. Fucanase is a critical tool for investigating sulfated fucans. In the present research, a novel endo-1,3-fucanase in the GH168 family, Fun168E, was identified within a sulfated fucan utilization loci from the genome of bacterium Wenyingzhuangia fucanilytica. Fun168E was a processive degrading enzyme and demonstrated a favorable thermostability. Ultra-performance liquid chromatography-mass spectrometry and NMR experiments demonstrated that Fun168E specifically hydrolyzed the α(1 → 3) linkages between Fucp2S and Fucp2S in sulfated fucan from Isostichopus badionotus, and α(1 → 3) linkages between Fucp2S and Fucp2,4S in sulfated fucan from Holothuria tubulosa. Fun168E could accommodate Fucp2S at subsite -1, and accept Fucp2,4S and Fucp2S at subsite +1. The discovery of this novel endo-1,3-fucanase would promote the utilization of sulfated fucans and their oligosaccharides in future applications.

PubMed ID: 39389500
Article link: Int J Biol Macromol