About: Gramicidin D     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : http://linked.opendata.cz/ontology/drugbank/Drug, within Data Space : linked.opendata.cz associated with source document(s)

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http://linked.open...gbank/description
  • Gramcidin D is a heterogeneous mixture of three antibiotic compounds, gramicidins A, B and C, making up 80%, 6%, and 14% respectively all of which are obtained from the soil bacterial species Bacillus brevis and called collectively gramicidin D. Gramcidins are 15 residue peptides with alternating D and L amino acids. The peptides assemble inside of the hydrophobic interior of the cellular lipid bilayer to form a β-helix. The helix itself is not long enough to span the membrane but it dimerizes to form the elongated channel needed to span the whole membrane. Gramicidin D is used primarily as a topical antibiotic and is one of the three constituents of consumer antibiotic polysporin ophthalmic solution. (en)
http://linked.open...y/drugbank/dosage
http://linked.open...generalReferences
  • # Ketchem RR, Lee KC, Huo S, Cross TA: Macromolecular structural elucidation with solid-state NMR-derived orientational constraints. J Biomol NMR. 1996 Jul;8(1):1-14. "Pubmed":http://www.ncbi.nlm.nih.gov/pubmed/8810522 # Townsley LE, Tucker WA, Sham S, Hinton JF: Structures of gramicidins A, B, and C incorporated into sodium dodecyl sulfate micelles. Biochemistry. 2001 Oct 2;40(39):11676-86. "Pubmed":http://www.ncbi.nlm.nih.gov/pubmed/11570868 # Burkhart BM, Gassman RM, Langs DA, Pangborn WA, Duax WL, Pletnev V: Gramicidin D conformation, dynamics and membrane ion transport. Biopolymers. 1999;51(2):129-44. "Pubmed":http://www.ncbi.nlm.nih.gov/pubmed/10397797 (en)
http://linked.open...gy/drugbank/group
  • approved (en)
http://linked.open...ugbank/indication
  • For treatment of skin lesions, surface wounds and eye infections (en)
sameAs
Title
  • Gramicidin D (en)
adms:identifier
http://linked.open...mechanismOfAction
  • Gramicidin D binds to and inserts itself into bacterial membranes (with a strong preference to gram-positive cell membranes). This results in membrane disruption and permeabilization (it acts as a channel). This leads to (i) loss of intracellular solutes (e.g., K+ and amino acids); (ii) dissipation of the transmembrane potential; (iii) inhibition of respiration; (iv) a reduction in ATP pools; and (v) inhibition of DNA, RNA, and protein synthesis, which leads to cell death. (en)
http://linked.open...drugbank/packager
http://linked.open.../drugbank/synonym
  • Gramicidin (en)
  • Gramicidin A (en)
  • Gramicidin B (en)
  • Gramicidin C (en)
  • Gramicidine (en)
http://linked.open.../drugbank/mixture
http://linked.open...ynthesisReference
  • U.S.Patent 2,534,541. (en)
http://linked.open...Molecular-Formula
http://linked.open.../Molecular-Weight
http://linked.open...l/drug/hasATCCode
http://linked.open.../affectedOrganism
  • Neisseria meningitidis (en)
  • Streptococcus pneumoniae (en)
  • Escherichia coli (en)
  • Pseudomonas aeruginosa (en)
  • Enterobacter (en)
  • Haemophilus influenzae (en)
  • Klebsiella (en)
  • Neisseria gonorrhoeae (en)
  • Staphylococcus aureus (en)
  • Streptococcus agalactiae (en)
http://linked.open...casRegistryNumber
  • 1405-97-6 (en)
http://linked.open...drugbank/category
  • (en)
http://linked.open...gbank/containedIn
http://linked.open...ank/Melting-Point
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