Characterization of proteins phosphorylated by the cAMP‐dependent protein kinase of bovine heart mitochondria
Open Access
- 27 December 1995
- journal article
- Published by Wiley in FEBS Letters
- Vol. 377 (3), 470-474
- https://doi.org/10.1016/0014-5793(95)01407-1
Abstract
Characterization of two mitochondrial proteins of M 1 42 and 18 kDa, respectively, phosphorylated by the cAMP–dependent protein kinase of bovine heart mitochondria (mtPKA), is presented. A 42 kDa protein is found to be loosely associated to complexes I, III and IV of the respiratory chain and complex V (ATP synthase) in the inner mitochondrial membrane. An 18 kDa protein is associated to complex I in the inner membrane and in a purified preparation of this complex where it can be phosphorylated by the isolated catalytic subunit of PKA.Keywords
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