4PHS:
reference: The highly conserved domain of unknown function 1792 has a distinct glycosyltransferase fold., Zhang H, Zhu F, Yang T, Ding L, Zhou M, Li J, Haslam SM, Dell A, Erlandsen H, Wu H, Nat Commun. 2014 Jul 15;5:4339. doi: 10.1038/ncomms5339. PMID: 25023666

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