>sp|A1WY05|TRPA_HALHL Tryptophan synthase alpha chain OS=Halorhodospira halophila GN=trpA MSRIAERFRACRSAGRTALIPYITGGDPSPDDTVRLMHALVAGGADVIEIGVPFSDPMAD GPVIQAACARALAAGTTPARLFEVVRRFREEDPDTPVVFMGYANILEAAGYRAFVRDAAA AGVDGLLTVDLPPEEAGALADEARVQGVDLIYLVAPNTSAERVERVCSVAGGFVYAVALK GVTGSADLDAGLVGQQVAGIRRVTDLPVAVGFGVRDPQSAAALAPCADGVIVGSALVRMI GEHGAAADLPERLRDAVLALRRAMDDTTTGGDS