Reconstitution of RNAase P activity using inactive subunits from E. coli and HeLa cells

Heidi A. Gold, Sidney Altman

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

HeLa cell RNAase P activity found in the flow-through of anti-Sm affinity columns can be separated into inactive RNA and protein components. These components can be used to reconstitute active hybrid enzyme complexes with purified subunits from E. coli RNAase P. The RNA in the HeLa cell fractions employed is enriched for species between 85 and 115 nucleotides long. This reconstitution assay is a convenient means of purifying the functional RNA and protein of HeLa cell RNAase P. Probes derived from the genes for the subunits of E. coli RNAase P hybridize to genomic DNA of gram-negative prokaryotic organisms, but no positive signals are seen with genomic DNA from a variety of eukaryotic organisms.

Original languageEnglish (US)
Pages (from-to)243-249
Number of pages7
JournalCell
Volume44
Issue number2
DOIs
StatePublished - Jan 31 1986
Externally publishedYes

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HeLa Cells
Escherichia coli
RNA
DNA
Assays
Proteins
Nucleotides
Genes
Enzymes

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Medicine(all)

Cite this

Reconstitution of RNAase P activity using inactive subunits from E. coli and HeLa cells. / Gold, Heidi A.; Altman, Sidney.

In: Cell, Vol. 44, No. 2, 31.01.1986, p. 243-249.

Research output: Contribution to journalArticle

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