During the Xanth series by Piers Anthony, the Naga can be a race of human-headed serpents which will transform among entirely human and serpent sorts, which includes any species and size of snake. The effect of pH around the kinetic constants for that hydrolysis of substrates by NagA was calculated https://naga2654321.wizzardsblog.com/30468894/the-5-second-trick-for-naga26