>sp|B4S6H5|TRPA_PROA2 Tryptophan synthase alpha chain OS=Prosthecochloris aestuarii GN=trpA MAHNRITPLMNEQKKLLIAYYMPEYPVAGATLPVLEALQNSGADIIELGMPYSDPIGDGP VIQDAAQVAIRNGVHIGSLLDLVRKARAGEGCVKITVPIVLMGYCNPLIAYGGDCFLNDA SEAGVDGLLIPDLPPEEAEDFLSRAKSFGLSVVFLISPVTQPERIRQIDALSTDFSYCLA VNATTGTGKLDEAERDADIESYLQRVSEHTRKKFVVGFGIRNRARVEKMCALADGAVVGT ALLQAIAGAATPSQAASMAAGFWKTLR