4N2O:
reference: Structural characterization of a novel autonomous cohesin from Ruminococcus flavefaciens., Voronov-Goldman M, Levy-Assaraf M, Yaniv O, Wisserman G, Jindou S, Borovok I, Bayer EA, Lamed R, Shimon LJ, Frolow F, Acta Crystallogr F Struct Biol Commun. 2014 Apr;70(Pt 4):450-6. doi:, 10.1107/S2053230X14004051. Epub 2014 Mar 25. PMID: 24699736

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