GO Term : GO:0000344 plastid-encoded plastid RNA polymerase complex B Gene Ontology

Description  A plastid-encoded DNA-directed RNA polymerase complex that resembles eubacterial multisubunit RNA polymerases with a core composed of alpha, beta, and beta-prime subunits. An additional subunit, a sigma factor, is required for promoter recognition. PEP-B is distinguished from PEP-A by its sensitivity to the antibiotic rifampicin. PEP-B is found in both etioplasts and chloroplasts, but is the predominate form in etioplasts. It forms the core of the PEP-A form; the conversion from PEP-B to PEP-A occurs during chloroplast maturation.
Namespace  cellular_component
Obsolete  false

0 Data Sets

1 Ontology

Trail: GOTerm

0 Ontology Annotations

17 Parents

Trail: GOTerm

17 Relations

Trail: GOTerm

1 Synonyms

Trail: GOTerm
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