>sp|Q1C7P2|TRPB_YERPA Tryptophan synthase beta chain OS=Yersinia pestis bv. Antiqua GN=trpB MTTLNPYFGEFGGMYVPQILVPALKQLEDAFVSAQLDPEFQAAFQDLLKNYAGRPTALTL CQNLTKGTKTKLYLKREDLLHGGAHKTNQVLGQALLAKRMGKTEIIAETGAGQHGVASAL ACALLGLKCRIYMGAKDIERQSPNVFRMRLMGAEVIPVHSGSSTLKDACNEALRDWSGTY ETAHYMLGTAAGPHPYPTIVREFQRMIGEETKAQILEKEGRLPDAVLACVGGGSNAIGMF ADFIDEPDVGLIGVEPAGLGIETGQHGAPLKHGKVGIYFGMKSPMMQTSDGQIEESYSIS AGLDFPSVGPQHAYLNSIGRADYVSITDDEALDAFKTLSCKEGIIPALESSHALAHALKM IKADPDKEQILVVNLSGRGDKDIFTVHDILKARGEI