1FHQ:
reference: II. Structure and specificity of the interaction between the FHA2 domain of Rad53 and phosphotyrosyl peptides., Wang P, Byeon IJ, Liao H, Beebe KD, Yongkiettrakul S, Pei D, Tsai MD, J Mol Biol 2000 Sep 29;302(4):927-40. PMID: 10993733

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