Eukaryotic type
Sno RNPs
90S particles
U3 small nucleolar RNA-associated proteins
Hbut_0574 conserved archaeal protein
K14561 IMP4; U3 small nucleolar ribonucleoprotein protein IMP4
Helicases
GTPase
RNase
Kinase
Other 90S particles
Pre-40S particles
Pre-60S particles
Other ribosome biogenesis factors
Prokaryotic type
Related small nucleolar RNAs