SGD Paper 
Memet S, et al. (1988) RNA polymerases B and C are more closely related to each other than to RNA polymerase A. J Biol Chem 263(21):10048-51
Abstract: Amino acid sequence comparison of the largest subunit of the three forms of yeast nuclear RNA polymerase disclosed six major conserved regions that are partly retained in the cognate subunits from bacteria, viral, and insect enzymes (Memet, S., Gouy, M., Marck, C., Sentenac, A., and Buhler, J.-M. (1988) J. Biol. Chem. 263, 2830-2839). Within these conserved domains, the high sequence similarity of B220 and C160 subunits (52% identity) sets them apart from yeast enzyme A subunit A190. Parsimony analysis at the gene and protein levels suggests the existence of a transient ancestor to eukaryotic RNA polymerases B and C. These results are discussed in the light of the recent finding of class C genes containing RNA polymerase B promoter elements.
| Status: Published | Type: Journal Article | PubMed ID: 3292520 |
Topics addressed in this paper
Number of different genes curated to this paper: 3
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