title: On the evolution of ligands: did peptides functionally precede metals and small organic molecules?
authors.affiliation: University of Alabama at Birmingham, Department of Physiology and Biophysics, 35294-0005, USA. Blalock@uab.edu
authors.forename: J E
authors.initials: JE
authors.lastname: Blalock
mesh_terms: D000818:Animals; D019143:Evolution, Molecular; D008024:Ligands; D008670:Metals / Q000378:metabolism; D010042:Ouabain / Q000378:metabolism*; D010455:Peptides / Q000378:metabolism*; D000254:Sodium-Potassium-Exchanging ATPase / Q000378:metabolism*
chemical_list: D008024:Ligands; D008670:Metals; D010455:Peptides; D010042:Ouabain; D000254:Sodium-Potassium-Exchanging ATPase