3FBV:
reference: The unfolded protein response signals through high-order assembly of Ire1., Korennykh AV, Egea PF, Korostelev AA, Finer-Moore J, Zhang C, Shokat KM, Stroud RM, Walter P, Nature. 2009 Feb 5;457(7230):687-93. Epub 2008 Dec 14. PMID: 19079236

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