Predicted to enable mRNA (nucleoside-2'-O-)-methyltransferase activity. Predicted to be involved in 7-methylguanosine mRNA capping and cap1 mRNA methylation. Predicted to be located in nucleoplasm. Predicted to be active in cytoplasm and nucleus. Orthologous to human CMTR1 (cap methyltransferase 1). [provided by Alliance of Genome Resources, Apr 2022]