>sp|Q1REI1|NADA_ECOUT Quinolinate synthase OS=Escherichia coli GN=nadA MSVMFDPDTAIYPFPPKPTPLSIDEKAYYREKIKRLLKERNAVMVAHYYTDPEIQQLAEE TGGCISDSLEMARFGAKHPASTLLVAGVRFMGETAKILSPEKTILMPTLQAECSLDLGCP VEEFNAFCDAHPDRTVVVYANTSAAVKARADWVVTSSIAVELIDHLDSLGEKIIWAPDKH LGCYVQKQTGADILCWQGACIVHDEFKTQALTRLQEEYPDAAILVHPESPQAIVEMADAV GSTSQLIAAAKTLPHQRLIVATDRGIFYKMQQAVPDKELLEAPTAGEGATCRSCAHCPWM AMNGLQAIAEALELEGSNHEVYVDERLLERALVPLNRMLDFAATLRG