Fig. 1From: Post-translational modifications are enriched within protein functional groups important to bacterial adaptation within a deep-sea hydrothermal vent environmentTaxonomic and functional structures of the metagenome, metaproteome, and PTMs. One metagenomic and two metaproteomic samples were included in the analysis. a Taxonomic classification at the class level based on conserved single-copy proteins. b Functional classification according to the COG categoriesBack to article page