נקודה איזואלקטרית – הבדלי גרסאות

*[http://isoelectric.ovh.org Calculation of protein isoelectric point] — free online and offline program to calculation pI and more theoretical information about this subject

*[http://www.embl-heidelberg.de/cgi/pi-wrapper.pl EMBL WWW Gateway to Isoelectric Point Service] — calculates the pI for an input amino acid sequence

 

[[en:Isoelectric point]]