Sulfated fucogalactan digesting enzyme gene

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

Reexamination Certificate

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Details

C435S101000, C435S006120, C435S069100, C435S252300, C536S023200

Reexamination Certificate

active

07410786

ABSTRACT:
A gene encoding a polypeptide having an activity of digesting sulfated fucogalactan which is useful in sugar chain engineering reagents, analyzing the structures of sulfated fucose-containing polysaccharides and preparing degraded products of the polysaccharides; a genetic engineering process for producing the polypeptide; and the polypeptide obtained by the process.

REFERENCES:
patent: 6054577 (2000-04-01), Sakai et al.
patent: 6207652 (2001-03-01), Sakai et al.
patent: 6489155 (2002-12-01), Takayama et al.
patent: 6590097 (2003-07-01), Sakai et al.
patent: WO 96/34004 (1996-10-01), None
patent: WO 97/26896 (1997-07-01), None
patent: WO 99/11797 (1999-03-01), None
patent: WO 00/50464 (2000-08-01), None
Sasaki et al., “Partial Purification and Characterization of an Enzyme Releasing 2-Sulfo-α-L-fucopyranose from 2-Sulfo- α-L-fucopyranosyl-(1-2) Pyridylaminated Fucose from a Sea Urchin,Strongylocentrotus nudus”, Biosci. Biotech. Biochem., 60 (4), 666-668, 1996.
Usui et al., “Isolation of Highly Purified “Fucoidan” fromEisenia bicyclisand Its Anticoagulant and Antitumor Activities”, Agric. Biol. Chem. 44 (8), 1965-1966, 1980.

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