期刊名称:Journal of Nutritional Science and Vitaminology
印刷版ISSN:0301-4800
电子版ISSN:1881-7742
出版年度:1982
卷号:28
期号:1
页码:21-26
DOI:10.3177/jnsv.28.21
出版社:Center for Academic Publications Japan
摘要:Cell-free extracts of a facultative methylotroph and strict aerobe, Protaminobacter ruber , could catalyze formation of β-methylaspartate from glutamate. β-Methylaspartate formed was further converted to mesaconate. From these results, it was found that the cells of P. ruber contained a sequential reaction system of glutamate mutase and β-methylaspartase. The level of glutamate mutase activity was almost constant throughout the period of cultivation. When P. ruber was grown on several non-one-carbon compounds in addition to methanol as a sole carbon source, the activity of glutamate mutase was not markedly affected by the kinds of carbon sources.