Recombinant production of chymase

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

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435 691, 435 697, 435 698, 435 712, 4351723, 4353201, 4352402, 4352523, 43525233, 935 10, 935 14, 935 29, 935 47, 935 48, 935 70, 935 72, 935 73, 536 232, C12N 1557, C12N 1562, C12N 1509, C12N 1510

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active

055676022

ABSTRACT:
The instant invention is directed to recombinant production of functionally active chymase. "Functionally active" as used herein refers to the ability to exhibit one or more functional activities of a full-length wild-type chymase protein. In a preferred aspect, a proteolytically inactive chymase fusion protein comprising a functionally active portion of a non-chymase protein joined to the amino-terminus of the chymase protein is produced, which, upon cleavage away of the non-chymase fusion protein portion, becomes proteolytically active. A refolding procedure for increasing yields of proteolytically active recombinant chymase is provided. The invention is further directed to use of the recombinant chymase thus produced for preparing chymase-specific antibodies.

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