gramicidin a การใช้

• See also Gramicidin A, a peptide that forms a dimeric transmembrane ?-helix.
• Y determines which is which; as Y gramicidin A contains tryptophan, B phenylalanine, and C tyrosine.
• Gramicidin B makes up 6 % of Gramicidin D while Gramicidin A and C make up 80 % and 14 % respectively.