1WMG:
reference: Structure of the UNC5H2 death domain., Handa N, Kukimoto-Niino M, Akasaka R, Murayama K, Terada T, Inoue M, Yabuki T, Aoki M, Seki E, Matsuda T, Nunokawa E, Tanaka A, Hayashizaki Y, Kigawa T, Shirouzu M, Yokoyama S, Acta Crystallogr D Biol Crystallogr. 2006 Dec;62(Pt 12):1502-9. Epub 2006, Nov 23. PMID: 17139086

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