Simpson, R T Two differentiable classes of metal atoms in alkaline phosphatase of Escherichia coli. [electronic resource] - Biochemistry Dec 1968 - 4343-50 p. digital Publication Type: Journal Article ISSN: 0006-2960 Standard No.: 10.1021/bi00852a029 doi Subjects--Topical Terms: Alkaline Phosphatase--analysisBinding SitesChemical PhenomenaChemistryChromatography, Ion ExchangeCobalt--analysisCobalt IsotopesEscherichia coli--enzymologyHydrogen-Ion ConcentrationPotentiometrySpectrophotometrySpectrum AnalysisZinc--analysis