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. 1977 Nov;4(11):3887-900.
doi: 10.1093/nar/4.11.3887.

Purification and properties of tyrosyl tRNA synthetase of rat liver

Y S Prasada Rao, P R Srinivasan
Free PMC article

Purification and properties of tyrosyl tRNA synthetase of rat liver

Y S Prasada Rao et al. Nucleic Acids Res. 1977 Nov.
Free PMC article

Abstract

Purification of rat liver tyrosine tRNA synthetase yields two protein fractions A and B and both fractions are required for charging of tyrosine to tRNAtyr. Fraction B catalyzes the activation of tyrosine. Fractions A and B have been purified to near homogeneity and they are composed of single polypeptide chains of 62,000 daltons each. Gel filtration studies suggest a molecular weight of 120,000 for the synthetase.

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