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The western diamondback rattlesnake or Texas diamond-back is a rattlesnake species and member of the viper family, found in the southwestern United States and Mexico. Like all other rattlesnakes and all other vipers, it is venomous. It is likely responsible for the majority of snakebite fatalities in northern Mexico and the greatest number of snakebites in the U.S. No subspecies are currently recognized.
Agitoxin is a toxin found in the venom of the scorpion Leiurus quinquestriatus hebraeus. Other toxins found in this species include charybdotoxin (CTX). CTX is a close homologue of Agitoxin.
Adamalysin is an enzyme. This enzyme catalyses the following chemical reaction
Crotamine is a toxin present in the venom of the South American rattlesnake. It is a 42-residue long protein containing 11 basic residues and 6 cysteines. It has also been isolated from the venom of North American prairie rattlesnake, Crotalus viridis viridis. It was first isolated and purified by Brazilian scientist José Moura Gonçalves, and later intensively studied by his group of collaborators at the Medical School of Ribeirão Preto of the University of São Paulo.
In enzymology, an L-amino acid oxidase (LAAO) (EC 1.4.3.2) is an enzyme that catalyzes the chemical reaction
Guangxitoxin, also known as GxTX, is a peptide toxin found in the venom of the tarantula Plesiophrictus guangxiensis. It primarily inhibits outward voltage-gated Kv2.1 potassium channel currents, which are prominently expressed in pancreatic β-cells, thus increasing insulin secretion.
Hanatoxin is a toxin found in the venom of the Grammostola spatulata tarantula. The toxin is mostly known for inhibiting the activation of voltage-gated potassium channels, most specifically Kv4.2 and Kv2.1, by raising its activation threshold.
Atrolysin A is an enzyme that is one of six hemorrhagic toxins found in the venom of western diamondback rattlesnake. This endopeptidase has a length of 419 amino acid residues. The metalloproteinase disintegrin-like domain and the cysteine-rich domain of the enzyme are responsible for the enzyme's hemorrhagic effects on organisms via inhibition of platelet aggregation.
Atrolysin B is an enzyme. This enzyme catalyses the following chemical reaction
Atrolysin C is an enzyme. This enzyme catalyses the following chemical reaction
Atrolysin E is an enzyme. This enzyme catalyses the following chemical reaction
Atrolysin F is an enzyme. This enzyme catalyses the following chemical reaction
Horrilysin is an enzyme. This enzyme catalyses the following chemical reaction
Trimerelysin I is an enzyme. This enzyme catalyses the following chemical reaction
Trimerelysin II is an enzyme. This enzyme catalyses the following chemical reaction
Mucrolysin is an enzyme. This enzyme catalyses the following chemical reaction
Fibrolase is an enzyme. This enzyme catalyses the following chemical reaction
Jararhagin is an enzyme. This enzyme catalyses the following chemical reaction
Agelenin, also called U1-agatoxin-Aop1a, is an antagonist of the presynaptic P-type calcium channel in insects. This neurotoxic peptide consists of 35 amino acids and can be isolated from the venom of the spider Allagelena opulenta.
HgeTx1 (systematic name: α-KTx 6.14) is a toxin produced by the Mexican scorpion Hoffmanihadrurus gertschi that is a reversible blocker of the Shaker B K+-channel, a type of voltage-gated potassium channels.
References
- ↑ Mori N, Nikai T, Sugihara H, Tu AT (February 1987). "Biochemical characterization of hemorrhagic toxins with fibrinogenase activity isolated from Crotalus ruber ruber venom". Archives of Biochemistry and Biophysics. 253 (1): 108–21. doi:10.1016/0003-9861(87)90643-6. PMID 2949699.
- ↑ Takeya H, Onikura A, Nikai T, Sugihara H, Iwanaga S (November 1990). "Primary structure of a hemorrhagic metalloproteinase, HT-2, isolated from the venom of Crotalus ruber ruber". Journal of Biochemistry. 108 (5): 711–9. PMID 2081731.
