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Fig. 3 | Microbiome

Fig. 3

From: MetaPro-IQ: a universal metaproteomic approach to studying human and mouse gut microbiota

Fig. 3

Comparison between MetaPro-IQ and matched metagenome approaches. a Peptide and protein group identification for each of the human MLI samples. b Venn diagram showing the overlap of identified peptides between the MetaPro-IQ and matched metagenome approaches for the whole dataset. The overlap percentage in the bracket was calculated by dividing the overlapped peptides with the total identified peptides by either MetaPro-IQ or matched metagenome approaches. c Posterior error probability (PEP) score distribution of peptides only identified with the matched metagenome approach. d PEP score distribution of peptides only identified with MetaPro-IQ approach. e Distribution of COG categories. LFQ intensity was used for the analysis, and mean ± SD was plotted. Each letter shows one COG category according to the standard naming in NCBI website and also shown in Additional file 1: Table S7. ND not detected. Question mark (?) denotes proteins without a COG assignment

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