>sp|P56142|TRPB_HELPY Tryptophan synthase beta chain OS=Helicobacter pylori GN=trpB MNKKAYFGEFGGSFVSELLVPALRELEQAFDACLKDEKFQKEYFRLLKDFVGRPSPLTLC QNIVSNPKVKLYLKREDLIHGGAHKTNQALGQALLAKKMGKTRIIAETGAGQHGVATAIA CALLNLKCVVFMGSKDIKRQEMNVFRMHLLGAEVREVNSGSATLKDAVNEALRDWASSYK DTHYLLGTAAGPHPYPTMVKTFQKMIGDEVKSQILEKENRLPDYVIACVGGGSNAIGIFS AFLNDKEVKLIGVEPAGLGLETNKHGATLNKGRVGILHGNKTYLLQDDEGQIAESHSISA GLDYPGVGPEHSYLKESGRAVYESASDAEALEAFKLLCQKEGIIPALESSHALAYALKLA QKCEEESIIVVNLSGRGDKDLSTVYNALKGGLK