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Lupas A, Koster AJ, Walz J, Baumeister W.Lupas A, et al. Among authors: walz j.FEBS Lett. 1994 Oct 31;354(1):45-9. doi: 10.1016/0014-5793(94)01082-x.FEBS Lett. 1994.PMID: 7957899Free article.