In biochemistry, a metalloprotein is a generic term for a protein that also contains a metalcofactor. The metal may be an isolated ion or may be coordinated with an nonprotein organic compound, such as the porphyrin found in hemoproteins. In some cases, the metal is co-coordinated with a side chain of the protein and an inorganic nonmetallic ion. This kind of protein-metal-nonmetal structure is seen in iron-sulfur clusters.
... slowdown in major markets and the hiking of interest rates by the Central Bank to combat inflationary pressures. Investor confidence was strong at yearend 2001, in part ...