C66H103N17O16S
bacA: bacitracin resistance protein BacA
bcrA: ABC transporter system, bacitracin efflux pump.
bcrC: bacitracin resistance protein
Bacitracin (Baci-IM) is a mixture of related cyclic polypeptides produced by organisms of the licheniformis group of Bacillus subtilis var Tracy, isolation of which was first reported in 1945.