3L3F:
reference: Crystal Structure of a PFU-PUL Domain Pair of Saccharomyces Cerevisiae Doa1/Ufd3., Nishimasu R, Komori H, Higuchi Y, Nishimasu H, Hiroaki H, Kobe J Med Sci. 2010 Oct 21;56(3):E125-39. PMID: 21063153

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