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Pharmacology stubs
Amastatin
Другие языки:

Amastatin

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Amastatin
Amastatin.svg
Clinical data
ATC code
  • None
Identifiers
  • (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-Amino-2-hydroxy-5-methylhexanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]butanedioic acid
CAS Number
PubChem CID
ChemSpider
KEGG
CompTox Dashboard (EPA)
ECHA InfoCard 100.131.532
Chemical and physical data
Formula C21H38N4O8
Molar mass 474.555 g·mol−1
3D model (JSmol)
  • CC(C)CC(C(C(=O)NC(C(C)C)C(=O)NC(C(C)C)C(=O)NC(CC(=O)O)C(=O)O)O)N
  • InChI=1S/C21H38N4O8/c1-9(2)7-12(22)17(28)20(31)25-16(11(5)6)19(30)24-15(10(3)4)18(29)23-13(21(32)33)8-14(26)27/h9-13,15-17,28H,7-8,22H2,1-6H3,(H,23,29)(H,24,30)(H,25,31)(H,26,27)(H,32,33)/t12-,13+,15+,16+,17+/m1/s1
  • Key:QFAADIRHLBXJJS-ZAZJUGBXSA-N

Amastatin, also known as 3-amino-2-hydroxy-5-methylhexanoyl-L-valyl-L-valyl-L-aspartic acid, is a naturally occurring, competitive and reversible aminopeptidase inhibitor that was isolated from Streptomyces sp. ME 98-M3. It specifically inhibits leucyl aminopeptidase, alanyl aminopeptidase (aminopeptidase M/N), bacterial leucyl aminopeptidase (Aeromonas proteolytica aminopeptidase), leucyl/cystinyl aminopeptidase (oxytocinase/vasopressinase), and, to a lesser extent, glutamyl aminopeptidase (aminopeptidase A), as well as other aminopeptidases. It does not inhibit arginyl aminopeptidase (aminopeptidase B). Amastatin has been found to potentiate the central nervous system effects of oxytocin and vasopressin in vivo. It also inhibits the degradation of met-enkephalin, dynorphin A, and other endogenous peptides.

See also



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