>sp|Q1CJ28|TRPB_YERPN Tryptophan synthase beta chain OS=Yersinia pestis bv. Antiqua GN=trpB MTTLNPYFGEFGGMYVPQILVPALKQLEDAFVSAQLDPEFQAAFQDLLKNYAGRPTALTL CQNLTKGTKTKLYLKREDLLHGGAHKTNQVLGQALLAKRMGKTEIIAETGAGQHGVASAL ACALLGLKCRIYMGAKDIERQSPNVFRMRLMGAEVIPVHSGSSTLKDACNEALRDWSGTY ETAHYMLGTAAGPHPYPTIVREFQRMIGEETKAQILEKEGRLPDAVLACVGGGSNAIGMF ADFIDEPDVGLIGVEPAGLGIETGQHGAPLKHGKVGIYFGMKSPMMQTSDGQIEESYSIS AGLDFPSVGPQHAYLNSIGRADYVSITDDEALDAFKTLSCKEGIIPALESSHALAHALKM IKADPDKEQILVVNLSGRGDKDIFTVHDILKARGEI