SB−3CT has been used as irreversible inhibitor of matrix metallopeptidase 9 (MMP9) in cell cultures to exclude reciprocal regulation.[1]
Biochem/physiol Actions
SB−3CT is a potent matrix metalloproteinase MMP-2 and MMP-9 inhibitor.
SB-3CT is a potent matrix metalloproteinase MMP-2 and MMP-9 inhibitor. Matrix metalloproteinases (MMPs) are involved in a number of activities including angiogenesis and embryogenesis. In particular, gelatinases A (MMP-2) and B (MMP-9), are thought to facilitate tumor metastasis. SB-3CT exhibits a covalent mechanism based behavior in inhibition of MMP-2 and MMP-9. This inhibitor appears to have similarity to TIMP-1 and TIMP-2 in the slow-binding component of inhibition. SB-3CT has been shown to directly bind to the zinc in the catalytic site of MMP-2. SB-3CT does not affect the activities of MMP-1 (Ki = 206 μM) MMP-3 (Ki = 15 μM), or MMP-7 (Ki = 96 μM).
American journal of physiology. Lung cellular and molecular physiology, 307(8), L652-L659 (2014-08-26)
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