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. Author manuscript; available in PMC: 2008 Mar 27.
Published in final edited form as: Immunol Rev. 2007 Jun;217:141–154. doi: 10.1111/j.1600-065X.2007.00509.x

Table 2. Expressed mast cell chymases and chymase-like peptidases.

Species
Enzyme
Gene
Features
Human α-Chymase CMA1 Stored; chymotryptic
Cathepsin G CTSG Stored; broad spectrum activity (tryptic, chymotryptic, met-ase)
Mouse α-Chymase/MCP-5 Mcpt5 Weakly active; elastolytic
β-Chymase MCP-1 Mcpt1 Stored; chymotryptic
β-Chymase MCP-2 Mcpt2 Largely inactive
β-Chymase MCP-4 Mcpt4 Stored; chymotryptic
Cathepsin G Ctsg ?
Dog α-Chymase CMA1 Stored; chymotryptic
Cathepsin G CTSG ?