iso electric point

bellon at newsup.univ-mrs.fr bellon at newsup.univ-mrs.fr
Sat Aug 14 06:37:45 EST 1999

Clemens wrote :

>I have noticed a difference in the calcualted Isoelectric point
>if the GCG program PEPStats is compared to a method available at Expasy
>(6.6 vs. 7.2). This made me wonder how the IEP is calculated.

If you can read "French", I explain how pI can be calculated and it's
value is dependant from the pK values of the side ionisable function.


Bernard Bellon

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