>sp|Q02YB8|TRPA_LACLS Tryptophan synthase alpha chain OS=Lactococcus lactis subsp. cremoris GN=trpA MKTLQAKLSNKKNNFVPYIMAGDHERGLEGLNETIQLLEQAGSSAIEIGVPFSDPVADGP VIEQAGLRALAKNVSLSKILDSLKSIETEVPLVIMTYFNPVYQFGIENFVAALENTAVKG LIIPDLPKEHEAYIKPFITDKDICLVPLVSLTTPISRQKELVVDAEGFIYAVAINGVTGK ENAYSNQLDHHLETLSKLTDIPVLTGFGISTLTDVERFNKVSAGVIVGSKIVRDLHENKE SDVIKFIKNAINF