>tr|A0A2J9KLV3|A0A2J9KLV3_HELPX Tryptophan synthase alpha chain OS=Helicobacter pylori GN=trpA MRYQNMFETLKKHEKMAFIPFVTLGDPNYELSFEIIKTLIISGVSALELGLAFSDPVADG ITIQASHLRALKHASMAKNFQLLKKIRDYNHNIPIGLLAYANLIFSYGVDGFYAQAKECG IDSVLIADMPLIEKELVIKSAQKHQIKQIFIASPNASSKDLEQVATHSQGYIYALARSGV TGASRILENDSSAIIKTLKAFSPTPALLGFGISKKEHITNAKGMGADGVICGSALVKIIE ENLNNENAMLEKIKGFIGGMIF