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Lehmann-Blount KA, Williamson JR.Lehmann-Blount KA, et al. Among authors: williamson jr.J Mol Biol. 2005 Feb 11;346(1):91-104. doi: 10.1016/j.jmb.2004.11.049. Epub 2004 Dec 19.J Mol Biol. 2005.PMID: 15663930