1887

Abstract

The citrulline biosynthetic operon located at 100° on the chromosome contains seven open reading frames which encode all the enzymes required for the biosynthesis of citrulline. The operon is transcribed as a single transcription unit. The second cistron of the operon is homologous to ArgJ (ornithine acetyltransferase) from and , suggesting that the acetylation of glutamate and the deacetylation of acetylornithine are carried out by a single enzyme in a cyclical pathway. The gene is an orthologue of from and a paralogue of from and from .

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1994-05-01
2021-04-22
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