SGD Paper 
Schinkel AH, et al. (1987) Specificity factor of yeast mitochondrial RNA polymerase. Purification and interaction with core RNA polymerase. J Biol Chem 262(26):12785-91
Abstract: We have identified a mitochondrial protein from Saccharomyces cerevisiae which confers the ability to recognize mitochondrial promoters onto a nonspecifically transcribing mitochondrial core RNA polymerase and we have purified this specificity factor 10,700-fold from a whole cell extract. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the purified fraction followed by elution and renaturation of protein activity shows that the specificity factor is a 43-kDa polypeptide which directs mitochondrial core RNA polymerase to promoters belonging to rRNA-, tRNA-, and protein-encoding genes, as well as to mitochondrial replication origins. Gel filtration and glycerol gradient sedimentation studies indicate that the specificity factor shows little association with core RNA polymerase in the absence of DNA, and that it behaves like a monomeric 43-kDa protein.
| Status: Published | Type: Journal Article | PubMed ID: 2442167 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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