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.
... of 2000, there are 5,013 people, 1,455 households, and 1,223 families residing in the town. The population density is 1,433.7/km² (3,704.7/mi²). There are ...