Popis: |
High-molecular-weight aminoacyl-tRNA synthetase complexes have been found in hen, frog and carp liver cytosol as well as in cytosol from snails and Paramecium. The complexes from vertebrates and snails contained 13-15 aminoacyl-tRNA synthetases, revealed mass of about 4,000 kDa and sedimentation constant about 19 S. The complex from Paramecium containing 11 aminoacyl-tRNA synthetases, revealed a mass of about 1,600 kDa and sedimentation constant 15 S. The results of the present study support the view that the high-molecular-weight synthetase complexes are common entities in the animal kingdom. |