The function of Ensembl gene identifier ENSG00000117597 (UTP25, UTP25 small subunit processome component) is as follows. Component of the ribosomal small subunit processome for the biogenesis of ribosomes, functions in pre-ribosomal RNA (pre-rRNA) processing (By similarity). Essential for embryonic development in part through the regulation of p53 pathway. Controls the expansion growth of digestive organs and liver (PubMed:23357851, PubMed:25007945, PubMed:27657329). Also involved in the sympathetic neuronal development (By similarity). Mediates, with CAPN3, the proteasome-independent degradation of p53/TP53 (PubMed:23357851, PubMed:27657329). {ECO:0000250|UniProtKB:Q6PEH4, ECO:0000269|PubMed:23357851, ECO:0000269|PubMed:25007945, ECO:0000269|PubMed:27657329}.