Production and use of pyruvate decarboxylase

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing oxygen-containing organic compound

Reexamination Certificate

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C435S132000, C435S069100, C435S189000, C435S155000, C536S023200

Reexamination Certificate

active

10488007

ABSTRACT:
A polypeptide with pyruvate decarboxylase activity, derived from the pyruvate decarboxylase fromZymomonas mobilisby substitution of an amino acid in position 553.

REFERENCES:
patent: 6004789 (1999-12-01), Bruhn et al.
patent: WO 96/37620 (1996-11-01), None
patent: WO 99/09195 (1999-02-01), None
Chang et al. (Biochem. 2000, 39, 9430-9437).
Bruhn et al. “The replacement of Trp392 by alanine influences the decarboxylase/carboligase activity and stability of pyruvate decarboylase from Zymomonas mobilis” Sep. 12, 1995, pp. 650-655.
Iwan et al. “Studies on the continuous production of (R)-(-)-phenylacetylcarbinol in an enzyme-membrane reactor” Jan. 22, 2001, pp. 387-396.
Candy et al. “Structure and properties of pyruvate decarboxylase and site-directed mutagenesis of the Zymomonas mobilis enzyme” Feb. 25, 1998, pp. 323-338.

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