>sp|A7I4T3|TRPA_METB6 Tryptophan synthase alpha chain OS=Methanoregula boonei GN=trpA MMGRIESVFAKKGKSAFIGFTVAGDPDKETSIRIAKALIDGGTDILEFGVPFSDPVADGP TIQRADDRALASCTTPDTIFAIVREVRAYSEVPIVFLTYYNTIYRRGIDRFYLEAHEAGV DGILVADMPVEESDEVAATAEKYGIDPIFLVTQTTSNERMDTIVRHARGYLYLVSVLGVT GARKTVAPEALALLNRVRSHTDLPLAIGFGISTPEHVTTCNLAGADGVIVGSAIVDIVEK NLGNPDAMEQDLRRYVSVMKKAAEQ