12.0
[1]. Semen A Leyn, et al. N-acetylgalactosamine utilization pathway and regulon in proteobacteria: genomic reconstruction and experimental characterization in <i>Shewanella</i>. J Biol Chem. 2012 Aug 10;287(33):2807-.
[2]. Smith WS, et al. Applying neutral drift to the directed molecular evolution of a β-glucuronidase into a β-galactosidase: Two different evolutionary pathways lead to the same variant. BMC Res Notes. 2011 May ;:138.
H302-H31-H319-H33
P21-P2-P270-P271-P280-P302+P32-P30+P30-P330-P32+P3-P0-P01