Table 4.
β-lactamase sequences identified in bacterial genomes from Proteobacteria phylum.
| Class | Genomes | SA |
SC |
SD |
MB |
ME | Total | |||
|---|---|---|---|---|---|---|---|---|---|---|
| SA1 | SA2 | SD1 | SD2 | MB1.1 | MB2 | |||||
| Gammaproteobacteria | 546 | 148 | 3 | 216 | 77 | 20 | 13 | 4 | 64 | 545 |
| Alphaproteobacteria | 321 | 75 | 2 | 29 | 15 | 15 | 2 | — | 22 | 160 |
| Betaproteobacteria | 146 | 76 | — | 31 | 13 | 29 | — | 1 | 4 | 154 |
| Epsilonproteobacteria | 104 | — | — | — | 21 | — | — | — | — | 21 |
| Deltaproteobacteria | 59 | 3 | — | — | 6 | 4 | 9 | — | 1 | 23 |
| Total | 1176 | 302 | 5 | 276 | 132 | 68 | 24 | 5 | 91 | 903 |
Genomes: number of strains analyzed by phylum. — represents phyla where no sequences were found BL: Beta-lactamase; SA: Serine-BL class SA; SC: Serine-BL class SC; SD: Serine-BL class SD; MB: Metallo-BL class MB (former subclasses B1 and B2); ME: Metallo-BL class ME (former subclass B3); MB1: Metallo-BL subclass MB1; MB2: Metallo-BL subclass MB2; SA1: Serine-BL subclass SA1; SA2: Serine-BL subclass SA2; SD1: Serine-BL subclass SD1; SD2: Serine-BL subclass SD2; MB1.1: Metallo-BL subclass MB1.1.