SMILES: CC[C@@H](C)CCCCC(=O)N[C@@H](CCNCS(=O)(=O)O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCNCS(=O)(=O)O)C(=O)N[C@H]1CCNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](NC(=O)[C@@H](NC1=O)CCNCS(=O)(=O)O)CC(C)C)CC(C)C)CCNCS(=O)(=O)O)CCNCS(=O)(=O)O)[C@@H](C)O
Description: The molecule is colistin A in which each of the primary amino groups is converted to the corresponding aminomethanesulfonic acid, commonly by the action of formaldehyde followed by sodium bisulfite. It is a polymyxin, an amino sulfonic acid and a peptide antibiotic. It derives from a colistin A. It is a conjugate acid of a colistimethate A(5-).