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Nickels BE, Garrity SJ, Mekler V, Minakhin L, Severinov K, Ebright RH, Hochschild A.Nickels BE, et al. Among authors: mekler v.Proc Natl Acad Sci U S A. 2005 Mar 22;102(12):4488-93. doi: 10.1073/pnas.0409850102. Epub 2005 Mar 10.Proc Natl Acad Sci U S A. 2005.PMID: 15761057Free PMC article.