1.3.1.43 L-arogenate + NAD+ - 1.3.1.43 L-arogenate + NAD+ i.e. 3-(1-carboxy-4-hydroxycyclohexa-2,5-dien-1-yl)-L-alanine, final biosynthetic step to tyrosine 1.3.1.43 prephenate + NAD+ -