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Science 27 December 1963:
Vol. 142. no. 3600, pp. 1652 - 1654
DOI: 10.1126/science.142.3600.1652
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Articles

Neurospora Mutant Lacking an Arginine-Specific Carbamyl Phosphokinase

Rowland H. Davis 1

1 Department of Botany, University of Michigan, Ann Arbor

An arginine-requiring mutant of Neurospora lacks the carbamyl phosphokinase activity present in other strains. Although carbamyl phosphate, the product of this enzyme, is required in both arginine and pyrimidine synthesis, the enzymne appears to serve only the arginine pathway. A pyrimidine specific mode of carbamyl phosphate synthesis is inferred, although it has not yet been demonstrated.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)