Factors Controlling Metal-Ion Selectivity in the Binding Sites of Calcium-Binding Proteins. The Metal-Binding Properties of Amide Donors. A Crystallographic and Thermodynamic Study
作者:Laura A. Clapp、Chynthia J. Siddons、Jason R. Whitehead、Donald G. VanDerveer、Robin D. Rogers、Scott T. Griffin、S. Bart Jones、Robert D. Hancock
DOI:10.1021/ic050632s
日期:2005.11.1
13.407(3) angstroms, beta = 103.28(3) degrees, Z = 4, R = 0.0281; 2 triclinic, P, a = 8.695(2) angstroms, b = 9.960(2) angstroms, c = 16.136(3) angstroms, alpha = 95.57(3) degrees, beta = 94.84(3) degrees, gamma = 98.72(3) degrees, Z = 2, R = 0.0394; 3 monoclinic, P2(1)/c, a = 10.767(2) angstroms, b = 12.952(2) angstroms, c = 13.273(2) angstroms, beta = 103.572(3) degrees, Z = 4, R = 0.0167. Compounds
研究了配体EDTAM(乙二胺-N,N,N',N'-四乙酰胺)的金属离子络合特性,作为酰胺氧供体在Ca结合蛋白结合位点中的作用模型。[Ca(EDTAM)NO3] NO3(1),[La(EDTAM)(H2O)4](NO3)3.H2O(2)和[Cd(EDTAM)(NO3)] NO3(3 ):1个单斜晶系,P2(1)/ c,a = 10.853(2)埃,b = 12.893(3)埃,c = 13.407(3)埃,β= 103.28(3)度,Z = 4, R = 0.0281; 2三斜晶,P,a = 8.695(2)埃,b = 9.960(2)埃,c = 16.136(3)埃,alpha = 95.57(3)度,beta = 94.84(3)度,γ= 98.72(3 )度,Z = 2,R = 0.0394;3单斜晶,P2(1)/ c,a = 10.767(2)埃,b = 12.952(2)埃,c =