A number of ELISA Kits are available that target additional sex combs like 1, an alias of the protein, ASXL transcriptional regulator 1. The human protein, encoded by the gene ASXL1, is a member of the Asx family. The protein's cellular localization is indicated to be nuclear. Additional synonyms or past names for this protein may include: BOPS, MDS. Homology is conserved in other species, such as Mouse, Rat, Zebrafish, Frog, Chicken.