doi: 10.1007/BF00369899.
Isolation and partial characterization of a protein kinase NII from wheat germ chromatin
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- PMID: 1875918
- DOI: 10.1007/BF00369899
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Isolation and partial characterization of a protein kinase NII from wheat germ chromatin
Mol Biol Rep.
1991 Feb.
Abstract
A protein kinase, type NII, has been purified from wheat germ chromatin. The enzyme, which uses both ATP and GTP as phosphoryl donors, catalyzes the phosphorylation of casein, phosvitin and E. coli RNA polymerase, but not of histone proteins. Polypeptide bands at 46 kDa, 37 kDa and 25 kDa were estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Autophosphorylation of the 25 kDa subunit was observed following incubation of the purified kinase with (gamma-32P)ATP and (gamma-32P)GTP.
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