A microbial metalloenzyme from Staphylococcus aureus, with action similar to that of urokinase and streptokinase, that can convert plasminogen to plasmin but requires Ca2+; separated in forms A, B, and C.
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staph·y·lo·ki·nase -'kī-.nās, -.nāz n a protease from some pathogenic staphylococci that converts plasminogen to plasmin but does not activate the plasminogen of the ox as urokinase does
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staph·y·lo·ki·nase (staf″ə-lo-kiґnās) a bacterial kinase produced by certain strains of staphylococci, which can activate plasminogen in the blood of various species of animals.Medical dictionary. 2011.