Provided below are ELISA kits targeting muscleblind like splicing regulator 3, a human protein encoded by MBNL3. This protein is 354 amino acids long, with a mass of 38.5 kDa, and is a member of the Muscleblind family. 5 isoforms have been identified. This is reported to be a cytoplasmic and nuclear protein. Other alias names for this protein include: muscleblind-like protein 3, Cys3His CCG1-required protein, muscleblind-like 3, muscleblind-like X-linked protein, MBLX, MBLX39, and MBXL.