Protein phosphokinase reactions in mammalian testis. Stimulatory effects of adenosine 3′:5′-cyclic monophosphate on the phosphorylation of basic proteins
- 1 April 1971
- journal article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 122 (3), 333-345
- https://doi.org/10.1042/bj1220333
Abstract
The soluble fraction of rat testis homogenates is rich in enzymes catalysing the phosphorylation by ATP of many different proteins. The phosphorylation of certain histones, and also of a homogeneous basic protein from guinea-pig seminal-vesicle secretion, is markedly enhanced by 3′:5′-cyclic AMP. Various factors affecting these reactions as catalysed by partially purified testicular enzyme preparations are described, and their possible physiological significance is discussed.Keywords
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