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Dephosphorylation of Autophosphorylated Regulatory Subunit of Sea Urchin Sperm cAMP-Dependent Histone Kinase by an Endogenous Protein Phosphatase

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Title: Dephosphorylation of Autophosphorylated Regulatory Subunit of Sea Urchin Sperm cAMP-Dependent Histone Kinase by an Endogenous Protein Phosphatase
Authors: Hoshino, Katsuaki Browse this author
Suzuki, Norio Browse this author
Issue Date: Oct-1996
Publisher: 日本動物学会
Journal Title: Zoological Science
Volume: 13
Issue: 5
Start Page: 711
End Page: 718
Abstract: Seven protein phosphatases were isolated from extracts of spermatozoa. and sperm tails of the sea urchin Hemicentrotus pulcherrimus by ion exchange and gel filtration chromatographies using [32P]-histone and/or p-nitrophenyl phosphate (pNPP) as substrates and characterized for their enzymatic and molecular nature. Two of them isolated from the particulate fraction correspond to the mammalian type 1 and 2B protein phosphatases. Another two obtained from the soluble fraction were similar to the mammalian protein phosphatases, type 2A and 2C. A protein phosphatase corresponding to the mammalian type 1 enzyme (molecular mass of 43 kDa) dephosphorylated the [32P]-autophosphorylated regulatory subunit of H. pulcherrimus sperm cAMP-dependent histone kinase.
Rights: (c) 日本動物学会 / 本文献の公開は著者の意思に基づくものである
Relation: http://www.bioone.org/perlserv/?request=get-archive&issn=0289-0003
Type: article
URI: http://hdl.handle.net/2115/32997
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 範男

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