>tr|A3F3M1|A3F3M1_BACIU Tryptophan synthase alpha chain OS=Bacillus subtilis GN=trpA MFKLDLQPSEKLFIPFITAGDPVPEVSIELAKSLQKAGATALELGVAYSDPLADGPVIQR ASKRALDQGMNIVKAIELGGEMKKNGVNIPIILFTYYNPVLQLNKEYFFALLRENHIDGL LVPDLPLEESNSLQEECKSHEVTYISLVAPTSESRLKTIIEQAEGFVYCVSSLGVTGVRN EFNSSVYPFIRTVKNLSTVPVAVGFGISNREQVIKMNEISDGVVVGSALVRKIEELKDRL ISAETRNQALQEFEDYAMAFSGLYSLK