>sp|Q0TJV1|NADA_ECOL5 Quinolinate synthase OS=Escherichia coli O6:K15:H31 GN=nadA MSVMFDPDTAIYPFPPKPTPLSIDEKAYYREKIKRLLKERNAVMVAHYYTDPEIQQLAEE TGGCISDSLEMARFGAKHPASTLLVAGVRFMGETAKILSPEKTILMPTLQAECSLDLGCP VEEFNAFCDAHPDRTVVVYANTSAAVKARADWVVTSSIAVELIDHLDSLGEKIIWAPDKH LGCYVQKQTGADILCWQGACIVHDEFKTQALTRLQEEYPDAAILVHPESPQAIVEMADAV GSTSQLIAAAKTLPHQRLIVATDRGIFYKMQQAVPDKELLEAPTAGEGATCRSCAHCPWM AMNGLQAIAEALELEGSNHEVYVDERLLERALVPLNRMLDFAATLRG