Ready-to-use ELISA kits are available for the detection of KMT2G, an alias of the protein, SET domain containing 1B, histone lysine methyltransferase. The official gene symbol is SETD1B. The protein, with a mass of 212.8 kDa and length of 1966 residues, is reported to be nuclear. It is a member of the Class V-like SAM-binding methyltransferase superfamily and may be known by other names, including: Set1B, KMT2G, hSET1B, SET domain-containing protein 1B, SET domain containing 1B, and histone-lysine N-methyltransferase SETD1B.