>sp|A1A8Z3|NADA_ECOK1 Quinolinate synthase OS=Escherichia coli O1:K1 / APEC GN=nadA MSVMFDPDTAIYPFPPKPTPLSIDEKAYYREKIKRLLKERNAVMVAHYYTDPEIQQLAEE TGGCISDSLEMARFGAKHPASTLLVAGVRFMGETAKILSPEKTILMPTLQAECSLDLGCP VEEFNAFCDAHPDRTVVVYANTSAAVKARADWVVTSSIAVELIDHLDSLGEKIIWAPDKH LGCYVQKQTGADILCWQGACIVHDEFKTQALTRLQEEYPDAAILVHPESPQAIVEMADAV GSTSQLIAAAKTLPHQRLIVATDRGIFYKMQQAVPDKELLEAPTAGEGATCRSCAHCPWM AMNGLQAIAEALELEGSNHEVYVDERLLERALVPLNRMLDFAATLRG