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RNA Polymerase I MeSH Descriptor Data 2024

MeSH Heading
RNA Polymerase I
Tree Number(s)
Unique ID
RDF Unique Identifier
Scope Note
A DNA-dependent RNA polymerase present in bacterial, plant, and animal cells. The enzyme functions in the nucleolar structure and transcribes DNA into RNA. It has different requirements for cations and salts than RNA polymerase II and III and is not inhibited by alpha-amanitin.
Entry Term(s)
DNA-Dependent RNA Polymerase I
RNA Polymerase A
Previous Indexing
RNA Nucleotidyltransferases (1968-1972)
RNA Polymerases (1973-1976)
Public MeSH Note
84; was see under RNA POLYMERASES 1977-83
History Note
84(77); was see under RNA POLYMERASES 1977-83
Date Established
Date of Entry
Revision Date
RNA Polymerase I Preferred
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