The Dual Genetic Control of Ornithine Carbamoyltransferase in  Escherichia coli | Zendy

Legrain Christiane | Zendy; Halleux Paulette | Zendy; Stalon Victor | Zendy; Glansdorff Nicolas | Zendy

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The Dual Genetic Control of Ornithine Carbamoyltransferase in Escherichia coli

Author(s) -

Legrain Christiane,

Halleux Paulette,

Stalon Victor,

Glansdorff Nicolas

Publication year - 1972

Publication title -

european journal of biochemistry

Language(s) - English

Resource type - Journals

eISSN - 1432-1033

pISSN - 0014-2956

DOI - 10.1111/j.1432-1033.1972.tb01814.x

Subject(s) - ornithine carbamoyltransferase , aspartate carbamoyltransferase , escherichia coli , biology , gene , genetics , enzyme , biochemistry , ornithine , amino acid , arginine

In Escherichia coli K 12 either of the two genes argF and argI is able to produce a functional ornithine carbamoyltransferase. When both are active in the same cell the two gene products interact to form a family of four hybrid trimeric isoenzymes of undistinguishable molecular weights, a situation presently unique in bacteria where very little genetic redundancy seems to occur. In E. coli B and W only the I gene product is found. Evolutionary implications of the structure and the genetic control of ornithine and aspartate carbamoyltransferase are discussed.

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