Anti-UTP20 small subunit processome component antibodies are used for the immunodetection of the protein encoded by the UTP20 gene. In humans, the canonical protein has a reported length of 2785 amino acid residues and a mass of 318.4 kDa. Its subcellular localization is in the nucleus. It is reported to be expressed in appendix, brain, colon, fetal liver, heart, ovary, pancreas, placenta, prostate, skeletal muscle, small intestine, spleen, testis and thymus. A member of the UTP20 protein family, it is known to be a part of the small subunit (SSU) processome, first precursor of the small eukaryotic ribosomal subunit. Other names for this target antigen include DRIM, small subunit processome component 20 homolog, NNP73, UTP20 small subunit (SSU) processome component, and 1A6/DRIM. Gene orthologs have been identified in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species.