>sp|Q66AK4|TRPB_YERPS Tryptophan synthase beta chain OS=Yersinia pseudotuberculosis serotype I GN=trpB MTTLNPYFGEFGGMYVPQILVPALKQLEDAFVSAQLDPEFQAAFQDLLKNYAGRPTALTL CQNLTKGTKTKLYLKREDLLHGGAHKTNQVLGQALLAKRMGKTEIIAETGAGQHGVASAL ACALLGLKCRIYMGAKDIERQSPNVFRMRLMGAEVIPVHSGSSTLKDACNEALRDWSGTY ETAHYMLGTAAGPHPYPTIVREFQRMIGEETKAQILEKEGRLPDAVLACVGGGSNAIGMF ADFIDEPDVGLIGVEPAGLGIETGQHGAPLKHGKVGIYFGMKSPMMQTSDGQIEESYSIS AGLDFPSVGPQHAYLNSIGRADYVSITDDEALDAFKTLSCKEGIIPALESSHALAHALKM IKADPDKEQILVVNLSGRGDKDIFTVHDILKARGEI