HtrA2 peptidase (EC3.4.21.108, high temperature requirement protein A2, HtrA2, Omi stress-regulated endoprotease, serine proteinase OMI, OMI/HtrA2 protease, HtrA2/Omi, Omi/HtrA2) is an enzyme.[1][2][3][4][5] This enzyme catalyses the following chemical reaction
Cleavage of non-polar aliphatic amino-acids at the P1 position, with a preference for Val, Ile and Met.
^Savopoulos JW, Carter PS, Turconi S, Pettman GR, Karran EH, Gray CW, Ward RV, Jenkins O, Creasy CL (July 2000). "Expression, purification, and functional analysis of the human serine protease HtrA2". Protein Expression and Purification. 19 (2): 227–34. doi:10.1006/prep.2000.1240. PMID10873535.