@article {ISI:A1996VT05300002, title = {Structural and Functional Aspects of Metal Sites in Biology}, journal = {Chem. Rev.}, volume = {96}, number = {7}, year = {1996}, month = {jan}, pages = {2239{\textendash}2314}, keywords = {PhD, review}, issn = {0009-2665}, doi = {10.1021/cr9500390}, url = {http://pubs.acs.org/doi/abs/10.1021/cr9500390}, author = {Holm, Richard H and Kennepohl, Pierre and Solomon, Edward I} }