红系特异的5-氨基酮戊酸合成酶（ALAS2）是血红素生物合成的限速酶。
Erythroid-specific 5-aminolevulinate synthase (ALAS2) catalyzes the rate-limiting step in heme biosynthesis.
本文综述了该酶的工业生产及应用领域，如乙醇生产，芳香族氨基酸和手性物质的生物合成等。
The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed.
摘要几丁质合成酶是生物合成几丁质的关键物质。
Chitin synthase is the important enzyme that converts UDP - GlcNAc to chitin.
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