>sp|A1VGB6|TRPA_DESVV Tryptophan synthase alpha chain OS=Desulfovibrio vulgaris subsp. vulgaris GN=trpA MSASRLERRIREAQAAGRPALIPFLTAGFPTPERFWDELEALDAAGADIIEVGVPFSDPV ADGPVVAAASQRALESGVTLRWIMDGLAARKARLRAGLVLMGYLNPFMQYGFERFVTDAA DAGVAGCIIPDLPLDEDADLRALLAARGMDLIALVGPNTGEGRMREYAAVASGYVYVVSV MGTTGVRDGLPVEVADTLARARQCFSIPVALGFGISRPAQLEGLSHPPDAVIFGSALLRH LDAGGDAASFMKAWAER