An Encyclopedia of well-annotated DNA-binding TRanscription factors in Bacteria and Archaea.
| ENTRAF ID | ENTRAF0291 |
| Gene name | btr |
| Uniprot ID | BTR_BACSU |
| Organism | Bacillus subtilis (strain 168) |
| Aminoacid sequence | MQNAVIYQPVQIEYLKKTSDLFSEQQLADSFVLIFHLKGNGYISIGTNTNPLQKKTLYVCPPNETFGFTPAADGHIDACIIRLLSYIKETGQDIFTPCTESELAKLKLMNVSHIENLAVRLQELAALWNESSQLSQLKCVIEVQSLIYDLFTASLSDQTDTHSAIEKTKHYIETHADTKITLAQLSQMAGISAKHYSESFKKWTGQSVTEFITKTRITKAKRLMAKSNCKLKEIAHQTGYQDEFYFSRIFKKYTGCSPTSYMKKRRKKIAAYGRGTMGHLIPLHHIPFAAALHPKWTSYYYQHYSTDIPVQLSAYRFNEKWEENLYTLSQAEPDVIVSMDSISPEEQDRLNRIAEVMYLPSEESWRTHFLQTASFLKEESEAEKWLADYDQQTTAAKKTLQHVQGLRFLFLRLHKQNFYLAHNRSVREVFFGDLGFSSATTADTPSEQAISLENIANYQADCMMLFLFKEPETIAYYQQLQQTEAWQNLSAVRDNRVYLLSLDPWNEYSACGHERIVQQTVSLLSGDCP |
| FASTA file | Download |
| Length | 529 |
| Function Uniprot | In iron-limited conditions, activates expression of the feuABCybbA operon, which encodes the bacillibactin uptake system. Acts by binding directly to a conserved direct repeat element upstream of the feuA promoter. Activity is increased in the presence of bacillibactin. |
| Role | Activator; Repressor |
| Protein family | AraC/XylS |
| Structure (PDB ID) | - |