Ready-to-use ELISA kits are available for the detection of Mcpt5, an alias of the protein, chymase 1. The official gene symbol is CMA1. The kits can detect several species variants of the protein, including: human, mouse, rat, primate, and other mammalian. The protein, with a mass of 27.3 kDa and length of 247 residues, is reported to be secreted. It is a member of the Peptidase S1 family, Granzyme subfamily and may be known by other names, including: mast cell protease I, chymase mast cell, chymase 1 mast cell, chymase 1 preproprotein transcript I, chymase 1 preproprotein transcript E, and alpha-chymase, and chymase.