>sp|A1BHS2|TRPA_CHLPD Tryptophan synthase alpha chain OS=Chlorobium phaeobacteroides GN=trpA MPENRIARLLKKNKKLLIAYYMPEFPVPGATLPVLEALQKNGADLIELGIAYSDPIGDGP VIQDAAHTAIRNGMSVKKLLDLVRQARKGEGCRKITAPILLMGYCNPLIAYGGDCFLQDA ASAGVDGLLLPDLPPEEADDFLERAKGFGLTVVFLVSPVTPPERIEYIDSLSTDFSYCLA VNATTGTAKLSDAGSEAAIDEYLRRVRRHTRKKFVVGFGIKDKARVGHMWELADGAVVGT ALLQHIAGAGTPEETARLAGEFWQTLQ