title: Absence of ferric enterobactin receptor modification activity in mutants of Escherichia coli K-12 lacking protein a.
mesh_terms: D001426:Bacterial Proteins / Q000378:metabolism; D002462:Cell Membrane / Q000378:metabolism; D004758:Enterobactin / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism*; D005838:Genotype; D007501:Iron / Q000378:metabolism; D008565:Membrane Proteins / Q000302:isolation & purification / Q000378:metabolism*; D009154:Mutation; D011955:Receptors, Drug / Q000302:isolation & purification / Q000378:metabolism*; D012694:Serine / Q000031:analogs & derivatives*; D013045:Species Specificity
chemical_list: D001426:Bacterial Proteins; D008565:Membrane Proteins; D011955:Receptors, Drug; D004758:Enterobactin; D012694:Serine; D007501:Iron