small ribosomal subunit processing complex https://github.com/geneontology/go-ontology/issues/15290 https://github.com/geneontology/go-ontology/issues/23218 pg cellular_component GO:0140638 small ribosomal subunit maturation complex A small heterodimeric protein complex that is required during early maturation of nascent 40S ribosomal subunits. The complex has endonuclease activity, it interacts with the small ribosomal subunit pre-rRNA and cleave it it to produce the mature 18S (or small ribosomal subunit) rRNA. In S. cerevisiae it is composed of Rcl1p and Bms1p. 2021-04-21T08:07:11Z endoribonuclease complex