1FUJ: Pr3 (Myeloblastin)
reference: The crystal structure of PR3, a neutrophil serine proteinase antigen of Wegener's granulomatosis antibodies., Fujinaga M, Chernaia MM, Halenbeck R, Koths K, James MN, J Mol Biol 1996 Aug 16;261(2):267-78. PMID: 8757293

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