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An L-glutamine diazo analogue amino acid antibiotic isolated from a species of the bacterial genus Streptomyces with potential antineoplastic activity. Diazooxonorleucine inhibits several glutamine-dependent biosynthetic pathways involved in the the syntheses of D-glucosamine phosphate, purines and pyrimidines. This agent inhibits phosphate-activated glutaminase, a key enzyme for the synthesis of releasable glutamine, depleting cells of this essential amino acid and reducing their capacity to proliferate. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C427\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C427\' NCI Thesaurus)
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