Method for Transforming Iota-Carrageenan Into Alpha-Carrageenan by Means of a New Class of 4S-Iota-Carrageenan Sulfatase
AssigneeCentre National de la Recherche Scientifique (CNRS)
InventorsWilliam Helbert, Aurelie Prechoux, Sabine Genicot-Joncour
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Abstract
A method for transforming iota-carrageenan into alpha-carrageenan by a new class of 4S-iota-carrageenan sulfatase. The invention also relates to carrageenans obtained by the conversion method. The invention can be especially applied to the agro-food, pharmaceutical and cosmetic industries.
Claims5
1-4. (canceled)
A method for transforming iota-carrageenan to alpha-carrageenan comprising the enzymatic catalysis of a conversion of an iota-carrabiose motif to an alpha-carrabiose motif by an enzyme whose peptide sequence comprises the peptides having the following sequences:
- (SEQ ID NO:
- 1)
- NGQFDNTVIVFTSDNGGK,
- (SEQ ID NO:
- 2)
- FDQTFQVGDNTR,
- and
- (SEQ ID NO:
- 3)
- ETEYITDGLSR.
Dependencies are inferred from the claim text.