Interaction of sodium and potassium with proteins structure and function of sodium and potassium channel proteins in membranes magnesium-activated enzyme systems calcium and its enzymes vanadium in proteins and enzymes are there proteins containing chromium? manganese-containing enzymes and proteins iron in heme and related proteins iron-sulfur proteins structure-function of non-heme iron proteins with oxygen and nitrogen dominated coordination iron storage and transport cobalt in vitamin B12 and its enzymes nickel-containing enzymes copper proteins in the transport and activation of dioxygen, and the reduction of inorganic molecules multi-copper oxidases copper in electron transfer proteins proteins of various functions containing copper zinc sites in metalloenzymes and related proteins zinc finger proteins other zinc proteins -metallthioneins and insulin enzymes and proteins containing molybdenum or tungsten emerging themes and patterns among metalloproteins one and three letter symbols for the amino acids the standard genetic code.
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