| Bioactivity | Polymyxin B nonapeptide TFA is a cyclic peptide obtained from Polymyxin B by proteolytic removal of its terminal amino acyl residue[1]. Polymyxin B nonapeptide TFA is less toxic, lacks bactericidal activity, and retains its ability to render gram-negative bacteria susceptible to several antibiotics by permeabilizing their outer membranes[2]. | ||||||
| Invitro | Polymyxin B nonapeptide, a cationic cyclic peptide derived by enzymatic processing from the naturally occurring peptide polymyxin B, is able to increase the permeability of the outer membrane of Gram-negative bacteria toward hydrophobic antibiotics probably by binding to the bacterial lipopolysaccharide (LPS)[1]. | ||||||
| Name | Polymyxin B nonapeptide TFA | ||||||
| CAS | 2220175-42-6 | ||||||
| Formula | C43H74N14O11.5C2HF3O2 | ||||||
| Molar Mass | 1533.25 | ||||||
| Transport | Room temperature in continental US; may vary elsewhere. | ||||||
| Storage | Sealed storage, away from moisture
*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
Polymyxin B nonapeptide TFA
CAS: 2220175-42-6 F: C43H74N14O11.5C2HF3O2 W: 1533.25
Polymyxin B nonapeptide TFAis a cyclic peptide obtained from Polymyxin B by proteolytic removal of its terminal amino ac
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