Polymyxin B nonapeptide TFA

Modify Date: 2024-01-16 17:35:40

Polymyxin B nonapeptide TFA Structure
Polymyxin B nonapeptide TFA structure
Common Name Polymyxin B nonapeptide TFA
CAS Number 2220175-42-6 Molecular Weight 1533.25
Density N/A Boiling Point N/A
Molecular Formula C43H74N14O11.5C2HF3O2 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Polymyxin B nonapeptide TFA


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].

 Names

Name Polymyxin B nonapeptide TFA

 Polymyxin B nonapeptide TFA Biological Activity

Description 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].
Related Catalog
In Vitro 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].
References

[1]. Tsubery H, et al. Structure-function studies of polymyxin B nonapeptide: implications to sensitization of gram-negative bacteria. J Med Chem. 2000 Aug 10;43(16):3085-92.

[2]. Ofek I, et al. Antibacterial synergism of polymyxin B nonapeptide and hydrophobic antibiotics in experimental gram-negative infections in mice. Antimicrob Agents Chemother. 1994 Feb;38(2):374-7.

 Chemical & Physical Properties

Molecular Formula C43H74N14O11.5C2HF3O2
Molecular Weight 1533.25

 Safety Information

Hazard Codes Xi
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