cobratoxin
(= a-cobratoxin)
Polypeptide toxin (71 residues) from Naja kaouthia. One of the alpha-neurotoxins (curaremimetics), it binds to nicotinic acetylcholine receptors with high affinity.

Dictionary of molecular biology. 2004.

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  • Cobratoxin — Not to be confused with Cobatoxin. α Cobratoxin is a substance of the venom of certain Naja cobras. It is a muscle type nicotinic acetylcholine receptor (nAChR) antagonist, which causes paralysis by preventing the binding of acetylcholine to the… …   Wikipedia

  • Cobratoxina — La α Cobratoxina es una sustancia que froma parte del veneno de ciertas especies de del género Naja. Es un antagonista selectivo para el receptor nicotínico de acetilcolina múscular (nAChR), que produce parálisis al impedir la unión de la… …   Wikipedia Español

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  • Polycephaly — Two Heads redirects here. For the Jefferson Airplane song, see After Bathing at Baxter s. Fourhead redirects here. For the facial feature, see Forehead. Triple headed redirects here. For the rail transport operation, see Double heading. Twelve… …   Wikipedia

  • Cobatoxin — Not to be confused with Cobratoxin. Cobatoxin is a toxin present in the venom of the scorpion Centruroides noxius. It blocks two potassium channel subtypes; voltage gated and calcium activated channels. Contents 1 Etymology 2 Source 3 Chemistry …   Wikipedia

  • alpha-neurotoxins — (= a neurotoxins) Postsynaptic neurotoxins, many varieties of which are found in snake venoms. Two subclasses, short (four disulphides, 60 62 residues) and long (five disulphides and 66 74 residues). Examples include alpha bungarotoxin, alpha… …   Dictionary of molecular biology

  • Naja kaouthia — Asian cobra (one of the Elapidae ). See alpha cobratoxin …   Dictionary of molecular biology

  • Monocled Cobra — Conservation status Least Concern (I …   Wikipedia

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