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Protein–RNA interactions in the subunits of human nuclear RNase P

Published online by Cambridge University Press:  06 July 2001

TAIJIAO JIANG
Affiliation:
Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut 06520, USA
CECILIA GUERRIER-TAKADA
Affiliation:
Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut 06520, USA
SIDNEY ALTMAN
Affiliation:
Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut 06520, USA
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Abstract

A yeast three-hybrid system was employed to analyze interactions in vivo between H1 RNA, the RNA subunit of human nuclear RNase P, and eight of the protein subunits of the enzyme. The genetic analysis indicates that subunits Rpp21, Rpp29, Rpp30, and Rpp38 interact directly with H1 RNA. The results of direct UV crosslinking studies of the purified RNase P holoenzyme confirm the results of the three-hybrid assay.

Type
REPORT
Copyright
2001 RNA Society

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