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Title: Exploring inhibitor binding at the S′ subsites of cathepsin L
Authors: Chowdhury, S.F.
Joseph, L. 
Kumar, S. 
Tulsidas, S.R.
Bhat, S.
Ziomek, E.
Ménard, R.
Sivaraman, J. 
Purisima, E.O.
Issue Date: 13-Mar-2008
Citation: Chowdhury, S.F., Joseph, L., Kumar, S., Tulsidas, S.R., Bhat, S., Ziomek, E., Ménard, R., Sivaraman, J., Purisima, E.O. (2008-03-13). Exploring inhibitor binding at the S′ subsites of cathepsin L. Journal of Medicinal Chemistry 51 (5) : 1361-1368. ScholarBank@NUS Repository.
Abstract: We report a series of noncovalent, reversible inhibitors of cathepsin L that have been designed to explore additional binding interactions with the S′ subsites. The design was based on our previously reported crystal structure that suggested the possibility of engineering increased interactions with the S′ subsites (Chowdhury et al. J. Med. Chem. 2002, 45, 5321-5329). A representative of these new inhibitors has been co-crystallized with mature cathepsin L, and the structure has been solved and refined at 2.2 Å. The inhibitors described in this work extend farther into the S′ subsites of cathepsins than any inhibitors reported in the literature thus far. These interactions appear to make use of a S3′ subsite that can potentially be exploited for enhanced specificity and/or affinity. © 2008 American Chemical Society.
Source Title: Journal of Medicinal Chemistry
ISSN: 00222623
DOI: 10.1021/jm701190v
Appears in Collections:Staff Publications

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