Characterization of the autophosphorylation of chicken gizzard caldesmon
نویسندگان
چکیده
منابع مشابه
Autophosphorylation of smooth-muscle caldesmon.
Caldesmon, a major actin- and calmodulin-binding protein of smooth muscle, has been implicated in regulation of the contractile state of smooth muscle. The isolated protein can be phosphorylated by a co-purifying Ca2+/calmodulin-dependent protein kinase, and phosphorylation blocks inhibition of the actomyosin ATPase by caldesmon [Ngai & Walsh (1987) Biochem. J. 244, 417-425]. We have examined t...
متن کاملBinding and regulatory properties of expressed functional domains of chicken gizzard smooth muscle caldesmon.
We expressed the following fragments of chicken gizzard caldesmon in the pMW 172/BL21 (DE3) system at 0.4-2.2 mg of pure protein/liter of culture: full-length smooth muscle caldesmon (CDh) (amino acids 1-756), nonmuscle caldesmon (CDl), amino acids 1-128 (N128), 1-578 (N578), 230-419, 606-756 (606C), and 658-756 (658C). CDh bound tropomyosin with a Kd of 1.5 microM; N578, 230-419, and 606C boun...
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چکیده ندارد.
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1988
ISSN: 0264-6021,1470-8728
DOI: 10.1042/bj2550817