SEARCH Articles Figures Tables Active site group theories Adsorption Sites for the Head Groups Binding sites, introduction catalytic groups Carboxyl groups active site Carboxylate groups sites Catalytic groups, active site Hydrogen Bonding and Other Group Binding Sites Rare-earth site, point group Single-site Group 3 and Lanthanide Site Symmetry and Induced Representations of Space Groups Site group analysis Site-symmetry group Substituent groups additional binding sites Sulfhydryl groups, metal binding active site Surface functional group Lewis acid site