How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Approximate isoelectric point
(pka1+pka2)/2Isoelectric Point Calculator
Simple ampholyte using the two pKa values bracketing the neutral zwitterion; not a multiprotic-protein pI predictor.
Simple ampholyte using the two pKa values bracketing the neutral zwitterion; not a multiprotic-protein pI predictor.
Result
Enter your values and run the tool to see your result.