U3 small nucleolar ribonucleoprotein protein IMP4, U3 snoRNP protein IMP4, Brix domain-containing protein 4, IMP4, BXDC4
IMP4 forms a ternary complex with IMP3 (MIM 612980) and MPP10 (MPHOSPHO10, MIM 605503) that interacts with U3 small nucleolar RNA (snoRNA), which is required for the early cleavage steps in pre-rRNA processing.