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Article

Diastereoselective synthesis of L: -threo-3,4-dihydroxyphenylserine by low-specific L: -threonine aldolase mutants.

Biotechnology letters - 1 Jan 2010

Gwon Hui-Jeong, Baik Sang-Ho

Abstract excerpt

Diastereoselectivity-enhanced mutants of L: -threonine aldolase (L: -TA) for L: -threo-3,4-dihydroxyphenylserine (L: -threo-DOPS) synthesis were isolated by error-prone PCR followed by a high-throughput screening. The most improved mutant was achieved from the mutant T3-3mm2, showing a 4-fold increase over the wild-type L: -TA. When aldol condensation activity was examined using whole cells of T3-3mm2, its de was...

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PMID: 19760118
DOI: 10.1007/s10529-009-0125-z

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