grammotoxin

grammotoxin
(= w-grammotoxin SIA)
Toxin (peptide, 36 residues) from spider, Grammostola spatulata, that inhibits non-L-type voltage-regulated calcium channels, thus resembling w -conotoxins and w -agatoxins. See VSCC.

Dictionary of molecular biology. 2004.

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  • Grammotoxin — is a protein toxin that inhibits P , Q and N type voltage gated calcium channels (Ca 2+ channels) in neurons. Grammotoxin is also known as omega grammotoxin SIA. Source The source of grammotoxin is the venom of a tarantula spider ( Grammostola… …   Wikipedia

  • grammotoxin — noun An oligopeptide toxin obtained from the venom of the tarantula Grammostola spatulata …   Wiktionary

  • Omega-grammotoxin SIA — is a protein toxin that inhibits P, Q and N voltage gated calcium channels (Ca2+ channels) in neurons. Contents 1 Source 2 Chemistry 3 Target 4 Mode of action …   Wikipedia

  • Grammostola spatulata — Chilean pink tarantula. See grammotoxin …   Dictionary of molecular biology

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