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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Dev Comp Immunol. 2010 Nov 24;35(4):461–468. doi: 10.1016/j.dci.2010.11.013

Table 2.

Relative abundance of TIR domain-containing proteins in different metagenomes.

Metagenome TIR-containing protein count Metagenome protein count Relative abundance
Human Gut Metagenome 25 709051 1
Ocean Metagenome 41 6115750 0.19
Soil Metagenome 53 184374 8.15

The richness of TIR domain-containing proteins in each metagenome is normalized by its database size. The relative abundance of TIR domain-containing proteins in human gut metagenome is set to one.