>sp|A8GB96|NADA_SERP5 Quinolinate synthase OS=Serratia proteamaculans GN=nadA MSEMFDVNAAVYPFPPKPVPLDDAQKAFYREKIKILLKQRNAVMVAHYYTDPEIQALAEE TGGCVADSLEMARFGSNHPASTLLVAGVRFMGETAKILSPEKRVLMPTLNAECSLDLGCP EEEFNAFCDSHPDRTVVVYANTSAAVKARADWVVTSSIAVELIEHLDSLGEKIIWAPDRH LGSYVQKQTGADMLCWQGACIVHDEFKTQALMRMKALYPNAAILVHPESPQAVVSLADAV GSTSQLIQAAKTLPNSQLIVATDRGIFYKMQQACPDKELFEAPTAGEGATCRSCAHCPWM AMNGLKAIADGLEHGGVLHEIHVDAALRQKALIPLNRMLDFAAELRVQVKGNA