2W5E:
reference: Structural and Biochemical Analysis of Human Pathogenic Astrovirus Serine Protease at 2.0 A Resolution., Speroni S, Rohayem J, Nenci S, Bonivento D, Robel I, Barthel J, Luzhkov VB, Coutard B, Canard B, Mattevi A, J Mol Biol. 2009 Feb 26. PMID: 19249313

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