1.1.1.23 NAD+ - 286322, 286323, 286324, 286325, 286326, 286327, 286328, 286329, 286330, 286331, 286332, 286333, 286334, 286335, 286336, 286337, 286338, 286339, 286340, 723090, 723322, 740116, 740147, 741402, 741455 1.1.1.23 NAD+ amino acid residues contributing to NAD+ binding include Tyr129, Gly132, and Asn221 for phosphate binding, Gln193 and Asn221 for adenosine sugar binding, and Phe58, Gln193, and Tyr223 for adenine base binding 721426 1.1.1.23 NAD+ binding site structure 657194 1.1.1.23 NAD+ the amine group is responsible of the substrate orientation by interacting with the Zn2+ while the overall stabilization of the cation changed between the unbound and bound forms 741455 1.1.1.23 NAD+ the amine group is responsible of the substrate orientation by interacting with the Zn2+ while the overall stabilization of the cation changes between the unbound and bound forms 741455