The function of Ensembl gene identifier ENSG00000165792 (METTL17, methyltransferase like 17) is as follows. Mitochondrial ribosome (mitoribosome) assembly factor (PubMed:36482135, PubMed:38199006). Binds at the interface of the head and body domains of the mitochondrial small ribosomal subunit (mt-SSU), occluding the mRNA channel and preventing compaction of the head domain towards the body (PubMed:36482135). Probable inactive methyltransferase: retains the characteristic folding and ability to bind S-adenosyl-L-methionine, but it probably lost its methyltransferase activity (PubMed:38234605). {ECO:0000269|PubMed:36482135, ECO:0000269|PubMed:38199006, ECO:0000269|PubMed:38234605}.