Predicted to enable rRNA (cytosine-C5-)-methyltransferase activity and small ribosomal subunit rRNA binding activity. Predicted to be involved in mature ribosome assembly; positive regulation of mitochondrial translation; and rRNA methylation. Predicted to be located in mitochondrion. Predicted to be part of mitochondrial large ribosomal subunit. Orthologous to human NSUN4 (NOP2/Sun RNA methyltransferase 4). [provided by Alliance of Genome Resources, Apr 2022]