title: On the abundance of zinc in the evolutionarily old protein domains.
authors.forename: Armen Y
authors.initials: AY
authors.lastname: Mulkidjanian
authors.forename: Michael Y
authors.initials: MY
authors.lastname: Galperin
mesh_terms: D019143:Evolution, Molecular; D011506:Proteins / Q000737:chemistry / Q000235:genetics / Q000378:metabolism*; D015032:Zinc / Q000378:metabolism*
chemical_list: D011506:Proteins; D015032:Zinc