Ready-to-use ELISA kits are available for the detection of C6orf90, an alias of the protein, nucleolar protein 7. The official gene symbol is NOL7. The protein, with a mass of 29.4 kDa and length of 257 residues, is reported to be nuclear. It may be known by other names, including: RARG-1, PQBP3, retinoic acid repressible protein, polyglutamine binding protein 3, nucleolar protein of 27 kDa, and nucleolar protein 7 27kDa.