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Version 2014-12-22
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Details for RNA polymerase III complex
RNA polymerase III complex
Gene ontology ID
GO:0005666
Definition
RNA polymerase III, one of three nuclear DNA-directed RNA polymerases found in all eukaryotes, is a multisubunit complex; typically it produces 5S rRNA, tRNAs and some of the small nuclear RNAs. Two large subunits comprise the most conserved portion including the catalytic site and share similarity with other eukaryotic and bacterial multisubunit RNA polymerases. The remainder of the complex is composed of smaller subunits (generally ten or more), some of which are also found in RNA polymerase I and others of which are also found in RNA polymerases I and II. Although the core is competent to mediate ribonucleic acid synthesis, it requires additional factors to select the appropriate template
Synonyms
1. DNA-directed RNA polymerase III activity
2. DNA-directed RNA polymerase III complex
References
1. GOC: krc
2. GOC: mtg sensu
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