3K48:
reference: Multiple novel classes of APRIL-specific receptor-blocking peptides isolated by phage display., Gordon NC, Lien S, Johnson J, Wallweber HJ, Tran T, Currell B, Mathieu M, Quan C, Starovasnik MA, Hymowitz SG, Kelley RF, J Mol Biol. 2010 Feb 12;396(1):166-77. Epub 2009 Nov 26. PMID: 19945466

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