Polyglutamine-binding protein 1 is a protein that in humans is encoded by the PQBP1 gene.
It can be associated with Renpenning's syndrome.
PQBP1 is a nuclear polyglutamine-binding protein that contains a WW domain (Waragai et al., 1999).[supplied by OMIM]
PQBP1 has been shown to interact with: