>tr|I9XZH8|I9XZH8_HELPX Serine acetyltransferase OS=Helicobacter pylori Hp P-4d GN=cysE MLDLSYSLERVLQEDPAARNKWEVLLLYPGIHALLCYRLAHALHKRRFYFIARALSQLAR FITGIEIHPGAKIGRGLFIDHGMGVVIGETTEIGDDVTIYHGVTLGGTGKFKGKRHPTLG NRVVVGAGAKVLGAICVGDDVKIGANAVVLSDLPTGSTAVGSKAKTITKDR