| Description | Virginiamycin M1 (Pristinamycin IIA) is a macrocyclic lactone peptide antibiotic and is a member of the streptogramin A group of antibiotics. |
| Synonyms | Pristinamycin IIA, Ostreogrycin A |
| molecular weight | 525.59 |
| Molecular formula | C28H35N3O7 |
| CAS | 21411-53-0 |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: 90.0 mg/mL (171.2 mM), Sonication is recommended. |
| References | 1. Sezonov G, et al. Complete conversion of antibiotic precursor to pristinamycin IIA by overexpression of Streptomyces pristinaespiralis biosynthetic genes. Nat Biotechnol. 1997 Apr;15(4):349-53. |