Ready-to-use ELISA kits are available for the detection of C1orf59, an alias of the protein, HEN methyltransferase 1. The official gene symbol is HENMT1. The protein, with a mass of 44.5 kDa and length of 393 residues, is reported to be cytoplasmic. It is a member of the Methyltransferase superfamily, HEN1 family and may be known by other names, including: C1orf59, hua enhancer 1 homolog 1, HEN1 methyltransferase homolog 1, and small RNA 2'-O-methyltransferase.