>tr|A0A0E2L749|A0A0E2L749_ECOU3 Quinolinate synthase OS=Escherichia coli GN=nadA MSVMFDPDTAIYPFPPKPTPLSIDEKAYYREKIKRLLKERNAVMVAHYYTDPEIQQLAEE TGGCISDSLEMARFGAKHPASTLLVAGVRFMGETAKILSPEKTILMPTLQAECSLDLGCP VEEFNAFCDAHPDRTVVVYANTSAAVKARADWVVTSSIAVELIDHLDSLGEKIIWAPDKH LGCYVQKQTGADILCWQGACIVHDEFKTQALTRLQEEYPDAAILVHPESPQAIVEMADAV GSTSQLIAAAKTLPHQRLIVATDRGIFYKMQQAVPDKELLEAPTAGEGATCRSCAHCPWM AMNGLQAIAEALELEGSNHEVYVDERLLERALVPLNRMLDFAATLRG