3SR2: Crystal Structure Of Human Xlf-Xrcc4 Complex
reference: XRCC4 interactions with XRCC4-like factor (XLF) create an extended grooved scaffold for DNA ligation and double-strand break repair., Hammel M, Rey M, Yu Y, Mani RS, Classen S, Liu M, Pique ME, Fang S, Mahaney B, Weinfeld M, Schriemer DC, Lees-Miller SP, Tainer JA, J Biol Chem. 2011 Jul 20. PMID: 21775435

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