so zym e ▁can ▁be ▁found ▁in ▁egg ▁white . ▁C - type ▁ly so zym es ▁are ▁closely ▁related ▁to ▁alpha - la ct album in ▁in ▁sequence ▁and ▁structure , ▁making ▁them ▁part ▁of ▁the ▁same ▁g ly cos ide ▁hyd rol ase ▁family ▁ 2 2 . ▁ ▁In ▁humans , ▁the ▁C - type ▁ly so zym e ▁en zym e ▁is ▁encoded ▁by ▁the ▁L Y Z ▁gene . ▁ ▁Hen ▁egg ▁white ▁ly so zym e ▁is ▁therm ally ▁stable , ▁with ▁a ▁mel ting ▁point ▁reaching ▁up ▁to ▁ 7 2 ° C ▁at ▁p H ▁ 5 . 0 . ▁However , ▁ly so zym e ▁in ▁human ▁milk ▁los es ▁activity ▁very ▁quickly ▁at ▁that ▁temperature . ▁Hen ▁egg ▁white ▁ly so zym e ▁maintain s ▁its ▁activity ▁in ▁a ▁large ▁range ▁of ▁p H ▁( 6 - 9 ). ▁Its ▁is oe lect ric ▁point ▁is ▁ 1 1 . 3 5 . ▁The ▁is oe lect ric ▁point ▁of ▁human ▁milk ▁ly so zym e ▁is ▁ 1 0 . 5 - 1 1 . ▁ ▁Function ▁and ▁mechanism ▁▁ ▁The ▁en zym e ▁functions ▁by ▁attack ing , ▁hydro ly zing , ▁and ▁breaking ▁g ly cos id ic ▁b onds ▁in ▁pe pt id og ly c ans . ▁The ▁en zym e ▁can ▁also ▁break ▁g ly cos id ic ▁b onds ▁in ▁ch it in , ▁although ▁not ▁as ▁effectively ▁as ▁true ▁ch it in ases . ▁