Reference: Lorber B, et al. (1983) Large scale purification and structural properties of yeast aspartyl-tRNA synthetase. Biochem Biophys Res Commun 117(1):259-67

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Abstract


A large scale purification procedure of baker's yeast aspartyl-tRNA synthetase is described which yields more than 200 mg pure protein starting from 30 Kg of wet commercial cells. The synthetase is an alpha 2 dimer of Mr = 125,000 +/- 5,000 which can be crystallized (J. Mol. Biol. 138, 1980, 129-135). The enzyme has an elongated shape with a Stokes radius of 50 A and a frictional ratio of 1.5. The synthetase has a tendency to aggregate but methods are described where this effect is overcome.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Lorber B, Kern D, Dietrich A, Gangloff J, Ebel JP, Giegé R
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