Detecting two pEGFR bands on western blot, is it de-glycosylation?

I am trying to detect phospho EGFR in Hep3B cells by western blot exposed to varying concentrations of an EGFR inhibitor. I get one band at ~170kDa as expected, but also a band at around 130kDa. I...

04 September 2017 1,321 3 View