Defructosylation method

Details Defructosylation method Defructosylation method

2003-10-23

2008-07-01

Leith, Patricia (Department: 1655)

Drug, bio-affecting and body treating compositions

Plant material or plant extract of undetermined constitution...

C435S068100, C424S766000

Reexamination Certificate

active

07393549

ABSTRACT:
The present invention is directed to a defructosylation enzyme originating from a plant, a method of defructosylating a fructosylated peptide or protein through use of the enzyme, and a method of measuring a fructosylated peptide or protein.

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Mita et al., Production of fructosyl-valine for measuring hemoglobin A1c in diabetes mellitus patient, involves enzymatically treating protein whose N-terminal valine is coupled to fructose, by serine carboxypeptidase. (Physiologia Plantarum, 128 (3): 531-545, 2006).
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