4EE9:
reference: Three-dimensional structure of RBcel1, a metagenome-derived psychrotolerant family GH5 endoglucanase., Delsaute M, Berlemont R, Dehareng D, Van Elder D, Galleni M, Bauvois C, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 Aug;69(Pt 8):828-33. doi: , 10.1107/S1744309113014565. Epub 2013 Jul 26. PMID: 23908022

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