Posted by ajcann on August 17th, 2007
[URE3] is a prion of the nitrogen catabolism regulator Ure2p
[PSI+] is a prion of the translation-termination factor Sup35p, which has a parallel beta-sheet structure.
[PIN+] is a prion of Rnq1p (function unknown)
[Het-s] is a prion of the heterokaryon incompatibility protein HETs; this prion of apparently benefits its host (Podospora anserina), whereas the [URE3] and [PSI+] prions of Saccharomyces cerevisiae are detrimental.
[Î²] is a prion of vacuolar protease B
[C] is a prion of a mitogen-activated protein kinase kinase kinase
There are six known prions of fungi, including four self-propagating amyloids and two enzymes that are necessary to activate their inactive precursors: