Protein phosphatase 1 regulatory subunit 1B (PPP1R1B), also known as dopamine- and cAMP-regulated neuronal phosphoprotein (DARPP-32), is a protein that in humans is encoded by the "PPP1R1B" gene.
Protein phosphatase 1, regulatory (inhibitor) subunit 1B или PPP1R1B (чаще именуемый 32-kD dopamine and cAMP regulated phosphoprotein, DARPP-32) - человеческий фосфопротеин массой 32 килодальтон, впервые описанный в 1984 году Валаасом и Грингардом.