Snake venom contains which of the following enzyme:: (A) Phospholipase A1, (B) Phospholipase A2, (C) Phospholipase C, (D) Phospholipase D
Answer is B. Snake venom Contains Phospholipase A2 (PLA2) PLA 2 hydrolyze the ester bond at position 2 of phospholipids present in plasma membrane of various cells, eg : erythrocytes. PLA 2 also affects neurons at pre-synaptic or post-synaptic cleft to cause neurotoxicity. Phospholipases A1 A2 C D Present in Pancreatic fluid Present in Erythrocytes and snake venom Major toxins secreted by bacteria Role in Mammalian signal transduction