1Y08:
reference: Structure of the streptococcal endopeptidase IdeS, a cysteine proteinase with strict specificity for IgG., Wenig K, Chatwell L, von Pawel-Rammingen U, Bjorck L, Huber R, Sondermann P, Proc Natl Acad Sci U S A 2004 Dec 14;101(50):17371-6. Epub 2004 Dec 01. PMID: 15574492

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