| General information | 
| CEG ID: | CEG0372 | 
| Function: | TonB protein | 
| Phyletic Profile: | Genes in 7/29 species: single-copy in7 species and multi-copy in 0  species. | 
| In Genus: | 7/20 in GenusBacteroidaceae,Mycobacterium,Burkholderia,Campylobacteraceae,Porphyromonadaceae,Mycoplasma,Sphingomonas | 
| In Family: | 6/18 in FamilySphingomonadaceae,Campylobacterales,Mycoplasmataceae,Mycobacteriaceae,Burkholderiaceae,Bacteroidales | 
| In Order: | 6/16 in OrderBurkholderiales,Bacteroidia,Sphingomonadales,Epsilonproteobacteria,Actinomycetales,Mycoplasmatales | 
| In Class: | 6/9 in ClassBetaproteobacteria,delta/epsilon subdivisions,Bacteroidetes,Mollicutes,Actinobacteria,Alphaproteobacteria | 
| In Phylum: | 4/5 in PhylumTenericutes,Bacteroidetes/Chlorobi group,Proteobacteria,Actinobacteria |