peptide antibiotic nocardamine Deferrioxamine E PubChem:161532 ChEBI:50437 nocardamin antibiotic_resistance ARO:3007785 ChEMBL:CHEMBL505734 Nocardamine is a cyclic trihydroxamate. It belongs to a group of microbial siderophores which form complexes with iron and aluminum ions. Nocardamine was described first as an antibiotic active against mycobacteria and proteus. It is produced by Nocardia species, several Streptomyces species, Chromobacterium and Pseudomonas.