{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T14:16:41Z","timestamp":1776435401374,"version":"3.51.2"},"reference-count":45,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2009,5,28]],"date-time":"2009-05-28T00:00:00Z","timestamp":1243468800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Protein Science"],"published-print":{"date-parts":[[2009,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The anthrax toxin of the bacterium <jats:italic>Bacillus anthracis<\/jats:italic> consists of three distinct proteins, one of which is the anthrax lethal factor (LF). LF is a gluzincin Zn\u2010dependent, highly specific metalloprotease with a molecular mass of \u223c90 kDa that cleaves most isoforms of the family of mitogen\u2010activated protein kinase kinases (MEKs\/MKKs) close to their amino termini, resulting in the inhibition of one or more signaling pathways. Previous studies on the crystal structures of uncomplexed LF and LF complexed with the substrate MEK2 or a MKK\u2010based synthetic peptide provided structure\u2010activity correlations and the basis for the rational design of efficient inhibitors. However, in the crystallographic structures, the substrate peptide was not properly oriented in the active site because of the absence of the catalytic zinc atom. In the current study, docking and molecular dynamics calculations were employed to examine the LF\u2010MEK\/MKK interaction along the catalytic channel up to a distance of 20 \u00c5 from the zinc atom. This residue\u2010specific view of the enzyme\u2010substrate interaction provides valuable information about: (i) the substrate selectivity of LF and its inactivation of MEKs\/MKKs (an issue highly important not only to anthrax infection but also to the pathogenesis of cancer), and (ii) the discovery of new, previously unexploited, hot\u2010spots of the LF catalytic channel that are important in the enzyme\/substrate binding and interaction.<\/jats:p>","DOI":"10.1002\/pro.169","type":"journal-article","created":{"date-parts":[[2009,5,28]],"date-time":"2009-05-28T13:36:34Z","timestamp":1243517794000},"page":"1774-1785","source":"Crossref","is-referenced-by-count":13,"title":["Insights into the anthrax lethal factor\u2013substrate interaction and selectivity using docking and molecular dynamics simulations"],"prefix":"10.1002","volume":"18","author":[{"given":"Georgios 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