Wikipedia seems to say there's another one: >All known mammalian prion diseases were caused by PrP until 2015, when a prion form of alpha-synuclein was hypothe

Wikipedia seems to say there's another one: >All known mammalian prion diseases were caused by PrP until 2015, when a prion form of alpha-synuclein was hypothesized to cause multiple system atrophy (MSA).[10] https://en.wikipedia.org/wiki/Prion https://en.wikipedia.org/wiki/Prion