Predicted to enable rRNA binding activity. Predicted to be involved in several processes, including mitochondrial gene expression; mitochondrial large ribosomal subunit assembly; and posttranscriptional regulation of gene expression. Predicted to act upstream of or within ribosome biogenesis. Located in mitochondrion. Is expressed in several structures, including alimentary system; brain; genitourinary system; heart; and respiratory system. Human ortholog(s) of this gene implicated in combined oxidative phosphorylation deficiency. Orthologous to human FASTKD2 (FAST kinase domains 2). [provided by Alliance of Genome Resources, Apr 2022]