peptide antibiotic formicin CAS:50667-69-1 ChEMBL:CHEMBL471524 ARO:3003904 Formicin is a two-component broad-spectrum lantibiotic produced by Bacillus paralicheniformis APC 1576, exhibiting antimicrobial activity against several Gram-positive species, including Staphylococcus aureus, Clostridioides difficile and Listeria monocytogenes. PubChem:69365 antibiotic_resistance ChEBI:192837