Article snapshot taken from[REDACTED] with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Yamakawa Y, Omori-Satoh T (1988). "A protease in the venom of king cobra (Ophiophagus hannah): purification, characterization and substrate specificity on oxidized insulin B-chain". Toxicon. 26 (12): 1145–55. doi:10.1016/0041-0101(88)90299-1. PMID3070833.