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We are deeply saddened by the passing of Amos Bairoch (1957–2025), the creator of PROSITE. We wish to dedicate our latest paper, published shortly before his death, to him. He will always be a source of inspiration to us.
Our deepest condolences go out to his family and friends, and to all those who had the privilege of working with him. Rest in peace, Amos. Your work will live on long after you are gone.
Amos Bairoch

PROSITE documentation PDOC00324
Alpha-L-fucosidase putative active site


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PURL: https://purl.expasy.org/prosite/documentation/PDOC00324

Description

α-L-fucosidase (EC 3.2.1.51) [1] is a lysosomal enzyme responsible for hydrolyzing the α-1,6-linked fucose joined to the reducing-end N-acetylglucosamine of the carbohydrate moieties of glycoproteins. Deficiency of α-L-fucosidase results in the lysosomal storage disease fucosidosis.

A cysteine residue is important for the activity of the enzyme. There is only one cysteine conserved between the sequence of mammalian α-L-fucosidase and that of the slime mold Dictyostelium discoideum. We have derived a pattern from the region around that conserved cysteine.

Note:

These proteins belong to family 29 in the classification of glycosyl hydrolases [2,E1].

Last update:

May 2004 / Text revised.

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Technical section

PROSITE method (with tools and information) covered by this documentation:

ALPHA_L_FUCOSIDASE, PS00385; Alpha-L-fucosidase putative active site  (PATTERN)


References

1AuthorsFisher K.J. Aronson N.N. Jr.
TitleIsolation and sequence analysis of a cDNA encoding rat liver alpha-L-fucosidase.
SourceBiochem. J. 264:695-701(1989).
PubMed ID2482732

2AuthorsHenrissat B.
TitleA classification of glycosyl hydrolases based on amino acid sequence similarities.
SourceBiochem. J. 280:309-316(1991).
PubMed ID1747104

E1Titlehttps://www.uniprot.org/docs/glycosid



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