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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)
Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 mg | $121 | Backorder | |
10 mg | $207 | Backorder | |
50 mg | $783 | Backorder | |
100 mg | $1,190 | Backorder |
Description | 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) |
Molecular Weight | 963.13 |
Formula | C43H74N14O11 |
Cas No. | 86408-36-8 |
Relative Density. | 1.32 g/cm3 at 20℃ (Predicted) |
Sequence | Thr-{Dab}-{Dab}-{Dab}-d-Phe-Leu-{Dab}-{Dab}-Thr (Lactam: Dab3-Thr9) |
Sequence Short | T-{Dab}-{Dab}-{Dab}-d-FL-{Dab}-{Dab}-T (Lactam: Dab3-Thr9) |
Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||||||||||||
Solubility Information | H2O: 100 mg/mL (103.83 mM), Sonication is recommended. DMSO: 16.67 mg/mL (17.31 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||||||||||||
DMSO/H2O
H2O
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