About: Polymyxin B Sulfate     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : owl:Class, within Data Space : linked.opendata.cz associated with source document(s)

AttributesValues
rdf:type
rdfs:label
  • Polymyxin B Sulfate
rdfs:subClassOf
Has_Free_Acid_Or_Base_Form
Concept_In_Subset
Semantic_Type
  • Pharmacologic Substance
Preferred_Name
  • Polymyxin B Sulfate
UMLS_CUI
  • C0001714
CAS_Registry
  • 1405-20-5
FDA_UNII_Code
  • 19371312D4
Contributing_Source
  • FDA
Legacy_Concept_Name
  • Polymyxin_B_Sulfate
FULL_SYN
  • Polymyxin B SulfatePTNCI
  • POLYMYXIN B SULFATEPTFDA19371312D4
DEFINITION
  • The sulfate salt form of polymyxin B, a mixture of the polypeptides polymyxins B1 and B2, both obtained from Bacillus polymyxa strains, with antimicrobial activity. Polymyxin B exerts its antimicrobial effect through its cationic detergent action on cell membranes. Specifically, this antibiotic binds to the negatively charged site in the lipopolysaccharide layer of the bacterial cell membrane via electrostatic affinity with the positively charged amino groups in the cyclic peptide portion. Subsequently, the fatty acid portion of polymyxin B dissolves in the hydrophobic region of the bacterial cell membrane. This results in an alteration in cell membrane structure, disruption of cell wall integrity and an increase in permeability for water and molecules. This will eventually lead to bacterial cell death.NCI
code
  • C61895
sameAs
http://linked.open...y/mesh/hasConcept
is Has_Salt_Form of
is sameAs of
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