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ABSTRACT:
SUBMITTER: Vijayakumar B
PROVIDER: S-EPMC3539697 | biostudies-literature | 2013 Jan
REPOSITORIES: biostudies-literature
Vijayakumar Balakrishnan B Velmurugan Devadasan D
Acta crystallographica. Section F, Structural biology and crystallization communications 20121225 Pt 1
Europium is shown to be a good anomalous scatterer in SAD phasing for solving the structure of biological macromolecules. The large value of the anomalous contribution of europium, f'' = 11.17 e(-), at the Cu Kα wavelength is an advantage in de novo phasing and automated model building. Tetragonal crystals of hen egg-white lysozyme (HEWL) incorporating europium(III) chloride (50 mM) were obtained which diffracted to a resolution of 2.3 Å at a wavelength of 1.54 Å (Cu Kα). The master data set (36 ...[more]