>sp|B4EWH7|TRPB_PROMH Tryptophan synthase beta chain OS=Proteus mirabilis GN=trpB MRKLNPYFGEFGGQYVPEILIPALDQLEQAFIDAQNDPSFQQEFQDLLKNYAGRPTALTL CRNLTQGTRTRLYLKREDLLHGGAHKTNQVLGQALLAKRMGKTEIIAETGAGQHGVATAL ACALLNMKCRIYMGAKDVERQSPNVFRMRLMGAEVIPVHSGSSTLKDACNEALRDWSGCY ERAHYLLGTAAGPHPYPTIVREFQRMIGDEAKAQILAREGRLPDAVIACIGGGSNAIGLF ASFIPETSVQLIGVEPAGKGIETGEHGAPLKHGKLGIYFGMKSPIMQTEEGQIEESYSIS AGLDFPSVGPQHAHLNSIGRADYVSVTDDEAIEAFKTLSRREGIIPALESSHALAYALKL IAQNPDKEQLLIVNLSGRGDKDIFTVNDILAARGEI