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Interaction of protein phosphatase type 1 with a splicing factor.
Hirano, K; Erdödi, F; Patton, J G; Hartshorne, D J.
Afiliación
  • Hirano K; Muscle Biology Group, University of Arizona, Tucson, 85721, USA.
FEBS Lett ; 389(2): 191-4, 1996 Jul 01.
Article en En | MEDLINE | ID: mdl-8766827
A gizzard cDNA library was screened by the two-hybrid system using as bait the delta isoform of the catalytic subunit of protein phosphatase 1 (PP1delta). Among the proteins identified was a fragment of the polypyrimidine tract-binding protein-associated splicing factor (PSF) and for 242 residues was 97.1% identical to the human isoforms. Binding of PSF and PP1delta was confirmed by inhibition of phosphatase activity and by an overlay technique. The PP1delta binding site was contained in the N-terminal 82 residues of the PSF fragment. PSF may therefore act as a PP1 target molecule in the spliceosome.
Asunto(s)
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proteínas de Unión al ARN / Fosfoproteínas Fosfatasas Tipo de estudio: Prognostic_studies Límite: Animals / Humans Idioma: En Revista: FEBS Lett Año: 1996 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proteínas de Unión al ARN / Fosfoproteínas Fosfatasas Tipo de estudio: Prognostic_studies Límite: Animals / Humans Idioma: En Revista: FEBS Lett Año: 1996 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido