| CDS description | CDS accession | Island | Host Description |
|---|
| Basic helix-loop-helix dimerization domain bHLH | NC_010742:1595065:1610184 | NC_010742:1595065 | Brucella abortus S19 chromosome 1, complete sequence |
| Basic helix-loop-helix dimerization domain bHLH | NC_007618:1593886:1609007 | NC_007618:1593886 | Brucella melitensis biovar Abortus 2308 chromosome I, complete |