Gramicidin

**Definition:** A group of peptide antibiotics from BACILLUS brevis. Gramicidin C or S is a cyclic, ten-amino acid polypeptide and gramicidins A, B, D are linear. Gramicidin is one of the two principal components of TYROTHRICIN.

**Tree numbers:** - D04.345.566.850.300 - D12.644.641.850.300 - D12.776.543.695.221

**Synonyms:** - Gramicidins