fˈɑːsfoʊnˌɑːlpɪɹˌuːveɪt pˌiːˌiːpˈiː, ɐ ɡlaɪkˈɑːləsˌɪs pˈæθweɪ ˌɪntɚmˈiːdiət, ɪz kˈɑːɹbəksˌɪleɪɾᵻd baɪ ðɪ ˈɛnzaɪm pˌiːˌiːpˈiː kˈɑːɹbəksˌɪleɪz tə fˈɔːɹm ˈɑːksɐlˌoʊsɪtˌeɪt.
Phosphoenolpyruvate (PEP), a glycolysis pathway intermediate, is carboxylated by the enzyme PEP carboxylase to form oxaloacetate.