Cov khoom muaj amino acids
Isoelectric point (pI)<>
Hauv kev daws teeb meem nruab nrab, nws tsis zoo tiv thaiv thiab muaj kua qaub.
Thaum lub pH ntawm kev daws yog qhov tsawg tshaj li qhov kev txhim kho pI, nws yog qhov muaj txiaj ntsig zoo thiab alkaline.