Characterization of the zinc-metalloprotein nature of rat spermatidal protein TP2
نویسندگان
چکیده
منابع مشابه
Characterization of the zinc-metalloprotein nature of rat spermatidal protein TP2.
Spermatidal transition protein, TP2, was purified from rat testes by Hg-affinity chromatography. The present study reports the details of the zinc-metalloprotein nature of TP2 by employing the 65 Zn-blotting technique. Chemical modification of cysteine by iodoacetic acid, and histidine by diethylpyrocarbonate, resulted in a near complete inhibition of 65Zn-binding to TP2. The 65Zinc-binding was...
متن کاملPhosphorylation of rat spermatidal protein TP2 by sperm-specific protein kinase A and modulation of its transport into the haploid nucleus.
Transition protein 2 (TP2), which is expressed during stages 12-15 of mammalian spermiogenesis, has been shown to undergo phosphorylation immediately after its synthesis. We reported earlier that TP2 is phosphorylated in vitro at threonine 101 and serine 109 by the salt extract of sonication-resistant (elongating and elongated) spermatid nuclei and the protein kinase phosphorylating TP2 was ide...
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ژورنال
عنوان ژورنال: FEBS Letters
سال: 1994
ISSN: 0014-5793
DOI: 10.1016/0014-5793(94)00799-3