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Inhibition of cathepsin L-like proteases by cathepsin V propeptide
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Roberta E. Burden
Published/Copyright:
May 1, 2007
Abstract
The N-terminal propeptide domains of several cathepsin L-like cysteine proteases have been shown to possess potent inhibitory activity. Here we report the first kinetic characterisation of the inhibition properties of the cathepsin V propeptide (CatV PP). Using a facile recombinant approach we demonstrate expression, purification and evaluation of the CatV PP. This propeptide was found to behave as a tight-binding inhibitor against CatV (Ki 10.2 nm). It also functions as an inhibitor against other members of the CatL-like subclass (CatL, 9.8 nm; CatS, 10.7 nm; and CatK, 149 nm) and had no discernible effects upon the more distantly related CatB.
Received: 2006-10-12
Accepted: 2007-2-2
Published Online: 2007-05-01
©2007 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Mid-region parathyroid hormone-related protein (PTHrP) and gene expression of MDA-MB231 breast cancer cells
- Characterization of peptidyl-tRNA hydrolase encoded by open reading frame Rv1014c of Mycobacterium tuberculosis H37Rv
- Calcium signalling in the regulation of PGC-1α, PDK4 and HKII mRNA expression
- Expression of the protein phosphatase 1 inhibitor KEPI is downregulated in breast cancer cell lines and tissues and involved in the regulation of the tumor suppressor EGR1 via the MEK-ERK pathway
- Nitric oxide modulates expression of extracellular matrix genes linked to fibrosis in kidney mesangial cells
- Discovery and characterization of human antibody inhibitors of pregnancy-associated plasma protein-A
- The protease domain of procollagen C-proteinase (BMP1) lacks substrate selectivity, which is conferred by non-proteolytic domains
- Two α subunits and one β subunit of meprin zinc-endopeptidases are differentially expressed in the zebrafish Danio rerio
- Increase in kinins on post-exercise hypotension in normotensive and hypertensive volunteers
- Inhibition of cathepsin L-like proteases by cathepsin V propeptide
- Clinical chemistry reference database for Wistar rats and C57/BL6 mice
