So let's take a look at how glutamate can be transformed into alpha ketoguterate. So what's the difference between glutamates and alpha ketoglutrates? Well, on the glutamate, we have this alpha amino group, but on the alpha ketoglutrate, we don't. Instead, the carbon is oxidized, and we have this carbon oxygen double bond between this carbon and this oxygen. So ultimately, in this step, we basically want to remove this alpha amino group along with the h ion. So we ultimately want to remove an ammonium.