Gender, age, and BMI of the human subjects selected for the study. Table S2. Metrics of metagenome and metaproteome analysis. Table S3. Taxonomic and functional annotation yields. Table S4. Percentage of taxa and functions with differential abundance between the human gut metagenomes and metaproteomes analyzed in this study. Table S5. Percentage distribution of conserved and variable features within the human gut metagenomes and metaproteomes analyzed in this study. (DOCX 35 kb)