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Information on EC 3.2.1.211 - endo-(1->3)-fucoidanase

for references in articles please use BRENDA:EC3.2.1.211
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EC Tree
IUBMB Comments
The enzyme specifically hydrolyses (1->3)-alpha-L-fucoside linkages in fucan. Fucans are found mainly in different species of seaweed and are sulfated polysaccharides with a backbone of (1->3)-linked or alternating (1->3)- and (1->4)-linked alpha-L-fucopyranosyl residues. In the literature, the sulfated polysaccharides are often called fucoidans. Fucoidans include polysaccharides with a relatively low proportion of fucose and some polysaccharides that have a backbone composed of other saccharides with fucose in the branching side chains. The sulfation of the alpha-L-fucopyranosyl residues may occur at positions 2 and 4. The enzyme degrades fucan to sulfated alpha-L-fucooligosaccharides but neither L-fucose nor small fucooligosaccharides are produced.
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The expected taxonomic range for this enzyme is: Pseudoalteromonas citrea
Synonyms
EC 3.2.1.44, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
[alpha-L-Fucp(2,4OSO3-)-(1->3)-alpha-L-Fucp(2OSO3-)-(1->3)]n-alpha-L-Fucp(2OSO3-) + H2O = [alpha-L-Fucp(2,4OSO3-)-(1->3)-alpha-L-Fucp(2OSO3-)-(1->3)]n-m-alpha-L-Fucp(2OSO3-) + [alpha-L-Fucp(2,4OSO3-)-(1->3)-alpha-L-Fucp(2OSO3-)-(1->3)]m-alpha-L-Fucp(2OSO3-)
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