title: Crystallization and preliminary X-ray investigation of avidin.
abstract: Hen egg-white avidin was crystallized at pH 6 from solutions containing 8-9% (w/v) poly(ethyleneglycol) 6000 as precipitant. X-ray investigation showed that the crystals are orthorhombic with cell constants a = 7.47 nm, b = 8.00 nm, c = 4.31 nm and belong to space group P21212. They contain half of a tetrameric molecule in the asymmetric unit.
mesh_terms: D000818:Animals; D001360:Avidin / Q000032:analysis*; D002645:Chickens; D003460:Crystallization; D004529:Egg White / Q000032:analysis; D005260:Female; D010047:Ovalbumin / Q000031:analogs & derivatives*; D014961:X-Ray Diffraction
chemical_list: D001360:Avidin; D010047:Ovalbumin