Table 2.

The amino acids at positions X and Y and R at the N-terminus for some of the identified bacitracin epimers.

Name	X	Y	R
Bacitracin A	L-Ile	L-Ile	CH3
Bacitracin B1	L-Ile	L-Ile	H
Bacitracin B2	L-Val	L-Ile	CH3
Bacitracin B3	L-Ile	L-Val	CH3
Bacitracin C1	L-Val	L-Ile	H
Bacitracin C2	L-Ile	L-Val	H
Bacitracin C3	L-Val	L-Val	CH3