5C78:
reference: Structure and mechanism of an active lipid-linked oligosaccharide flippase., Perez C, Gerber S, Boilevin J, Bucher M, Darbre T, Aebi M, Reymond JL, Locher KP, Nature. 2015 Aug 12. doi: 10.1038/nature14953. PMID: 26266984

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