IL20RB and IL20RA (MIM 605620) form a heterodimeric receptor for interleukin-20 (IL20\; MIM 605619) (Blumberg et al., 2001 [PubMed 11163236]).[supplied by OMIM, Feb 2009].
Zahradník, Kolářová, Peleg, Kolenko, Svidenská, Charnavets, Unger, Sussman, Schneider: "Flexible regions govern promiscuous binding of IL-24 to receptors IL-20R1 and IL-22R1." in: The FEBS journal, (2019) (PubMed).