3AAG:
reference: Comparative structural biology of eubacterial and archaeal oligosaccharyltransferases., Maita N, Nyirenda J, Igura M, Kamishikiryo J, Kohda D, J Biol Chem. 2010 Feb 12;285(7):4941-50. Epub 2009 Dec 9. PMID: 20007322

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