Ready-to-use ELISA kits are available for the detection of rosbin, round spermatid basic protein 1, an alias of the protein, round spermatid basic protein 1. The official gene symbol is RSBN1. The protein, with a mass of 90.1 kDa and length of 802 residues, is reported to be nuclear. It is a member of the Round spermatid basic protein 1 family and may be known by other names, including: ROSBIN, KDM9, and lysine-specific demethylase 9.