Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical
Reexamination Certificate
2005-05-24
2005-05-24
Lilling, Herbert J. (Department: 1651)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing saccharide radical
C435S105000, C435S233000
Reexamination Certificate
active
06897047
ABSTRACT:
A thermostable mannose isomerase generated from a bacterium belonging to the genusAgrobacterium, excellent in thermostability, capable of being continuously used at a temperature of 55° C. to 60° C. for a prolonged period of time, and has, for example, the following enzymatic properties: (a) function: converts D-mannose to D-fructose and vice versa; (b) substrate specificity: isomerizes the aldoses D-mannose and D-lyxose to their corresponding kitoses, but does not interact with D-glucose, D-galactose, L-mannose, D-xylose, L-xylose, D-arabinose, L-arabinose or D-ribose; (c) optimum pH: 7.5 to 8.5; (d) optimum temperature: 55° C. to 60° C.; and (e) stable pH: 6.0 to 10.0, is provided.
REFERENCES:
patent: 5240717 (1993-08-01), Takasaki et al.
patent: 55-111795 (1980-08-01), None
patent: 4-218370 (1992-08-01), None
patent: 6-292578 (1994-10-01), None
patent: 11-75836 (1999-03-01), None
Takasaki et al., Journal of Fermentation and Bioengineering, vol. 76, No. 3, pp. 237-239 (1993).
Japan Science and Technology Corporation
Lilling Herbert J.
Wenderoth , Lind & Ponack, L.L.P.
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