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. 1990 Aug 31;171(1):342-7.
doi: 10.1016/0006-291x(90)91399-d.

The metaphase specific phosphorylation of HMG I

T Lund  1 , S G Laland
Affiliations

The metaphase specific phosphorylation of HMG I

T Lund et al. Biochem Biophys Res Commun. .

Abstract

In vivo labelling of HeLa cells arrested in metaphase with [32P]-phosphate and in vitro phosphorylation of HMG I with the partially purified growth associated H1 kinase was used to study metaphase specific phosphorylation of HMG I. It was found that threonine 53 and 78 became phosphorylated. These amino acids are embedded in respectively the sequence PTPKR and TPGRK which are similar to the sequences phosphorylated by the growth associated H1 kinase.

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