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α-Cobratoxin is a neurotoxin from the venom of certain Naja genus, including the Thailand cobra, the Indochinese spitting cobra (Naja siamensis) and the Chinese cobra (Naja atra). The cobras that produce the toxin live in tropical and subtropical regions of Africa and Asia.
A study analyzing the toxic fractions of Naja oxiana venom from Iran indicated that toxic fractions constituted 78% by weight of crude venom of this species, [19] similar to Naja naja. [20] The toxic fractions were composed of three protein families, among which the 3FTs was dominant, similar to all other Naja species.
[19] [20] [21] The Samar cobra (Naja samarensis), another cobra species endemic to the southern islands of the Philippines, is reported to have a LD 50 of 0.2 mg/kg, [22] similar in potency to the monocled cobras (Naja kaouthia) found only in Thailand and eastern Cambodia, which also have a LD 50 of 0.2 mg/kg.
Forest cobra (Naja melanoleuca), Kakamega Forest, Kenya. The forest cobra (Naja melanoleuca) is the largest true cobra of the genus Naja and is a bad-tempered and irritable snake when cornered or molested as handled in captivity. [60] According to Brown (1973) this species has a murine IP LD 50 value of 0.324 mg/kg, while the IV LD 50 value is ...
Although venom toxicity values can vary greatly even among specimens of the same species, the Philippine cobra is considered to possess one of the more toxic venoms among the Naja (cobra) species. According to Tan et al., the murine LD 50 via the IV route for this species is 0.18 mg/kg (0.11-0.3 mg/kg). [10]
The Indian cobra (Naja naja /nadʒa nadʒa/), also known commonly as the spectacled cobra, Asian cobra, or binocellate cobra, is a species of cobra, a venomous snake in the family Elapidae. The species is native to the Indian subcontinent, and is a member of the "big four" species that are responsible for the most snakebite cases in India. [6] [7]
Cardiotoxin III (CTX III, also known as cytotoxin 3) is a sixty amino-acid polypeptide toxin from the Taiwan cobra Naja atra. CTX III is highly basic and hydrophobic protein. [1] It is an example of a group of snake cardio/cytotoxins (InterPro: IPR003572), which are made up of shorter snake venom three-finger toxins. Over 50 different cytotoxin ...
The eastern coral snake or American cobra (Micrurus fulvius), which also does not rear upwards and produce a hood when threatened [4]: p.30 The false water cobra (Hydrodynastes gigas) is the only "cobra" species that is not a member of the Elapidae. It does not rear upwards, produces only a slight flattening of the neck when threatened, and is ...