Naidenov V. Study of elements of tyrosine tRNA recognition by tyrosyl-tRNA synthetase from higer eukaryotes using site-directed mutagenesis

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0402U001969

Applicant for

Specialization

  • 03.00.03 - Молекулярна біологія

18-06-2002

Specialized Academic Board

Д26.237.01

Essay

The elements of tyrosine tRNA recognition elements were studied using site-directed mutagenesis and steady-state kinetics. It has been shown that guanine-72 is the identity determinant. The anticodone nucleotides also contribute to identity, whereas the length of variable loop dispensable for recognition. It was found that an additional C-terminal domain improve the catalitic activity of tyrosyl-tRNA synthetase. The obtained data will be used for study of translation regulation.

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