Abstract
In the course of searching for proteins that interact with protein kinase B in 3T3-L1 adipocytes, we isolated a 105 kDa protein from 3T3-L1 adipocytes. Peptides sequenced from the protein were found to be present in several expressed sequence tags. A cDNA containing one of these expressed sequence tags was sequenced and appears to contain the entire coding region. Computer analysis revealed a potential protein kinase domain at the N-terminus; however, the first subdomain and several invariant residues characteristic of protein kinases are absent. An antibody was raised against a peptide from the 105 kDa protein. By immunoblotting, it was found that the protein was widely expressed in mouse tissues, and concentrated in the cytosol and low density microsome fractions of 3T3-L1 adipocytes.
Published Version
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