4RBN:
reference: The Crystal Structure of Nitrosomonas europaea Sucrose Synthase Reveals Critical Conformational Changes and Insights into Sucrose Metabolism in Prokaryotes., Wu R, Asencion Diez MD, Figueroa CM, Machtey M, Iglesias AA, Ballicora MA, Liu D, J Bacteriol. 2015 Sep 1;197(17):2734-46. doi: 10.1128/JB.00110-15. Epub 2015 May , 26. PMID: 26013491

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