5-HT induced accumulation of 3',5'-AMP and the phosphorylation of paramyosin in the ABRM of Mytilus edulis.
Malacologia, 1979;18(1-2):465-8.
PMID: 226809
Impact factor: 0.88
Abstract
In Mytilus edulis 5-Ht induced relaxation of a muscle in catch is preceded by an increase in 3',5'-AMP content. In vitro two proteins of the contractile apparatus are phosphorylated by 3',5'-AMP dependent protein kinases. The 295000 dalton protein cannot be identified, the other one is paramyosin. Phosphorylated paramyosin inhibits actomyosin ATPase of smooth mollusc muscles at low and high Ca++ concentrations.
MeSH terms
Actomyosin; Adenosine Triphosphatases; Animals; Bivalvia; Cyclic AMP; Muscle, Smooth; Phosphorylation; Protein Kinases; Serotonin; Tropomyosin
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