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. 2016 Dec 1;8(12):360. doi: 10.3390/toxins8120360

Table 3.

Number of copies (paralogues) of toxin genes in the king cobra (Ophiophagus hannah) genome; data from Ref. [3].

Venom Toxin or Toxin Family Number of Paralogues
3FTx (three-finger toxin) * 21
PLA2 (phospholipase A2) * 12
Lectin * 11
Kunitz * 10
Waprins * 6
Cystatin 5
CRISP (cysteine-rich secretory protein) 3
CVF (cobra venom factor) 3
Kallikrein 3
SVMP (snake venom metalloproteinase) 3
LAAO (L-amino acid oxidase) 2
NGF (nerve growth factor) 2
NP (natriuretic peptide) * 2
Acetylcholinesterase 1
Hyaluronidase 1
PLB (phospholipase-B) 1
VEGF (vascular endothelial growth factors) 1
Vespryn 1

Key: (*) estimated number of paralogues; the current genome assembly is not sufficiently well-scaffolded to allow the number of paralogues to be determined with certainty.