The most important regulatory proteins for the MOR are the β-arrestins arrestin beta 1 and arrestin beta 2, and the RGS proteins RGS4, RGS9-2, RGS14, and RGSZ2.
Nejdůležitějšími regulačními proteiny MOR jsou beta-arestiny arrestin beta 1 a proteiny beta 2, a proteiny RGS RGS4, RGS9-2, RGS14 a RGSZ2.