Tubulin—tyrosine ligase explained

Tubulin—tyrosine ligase
Ec Number:6.3.2.25
Cas Number:60321-03-1
Go Code:0004835

In enzymology, a tubulin—tyrosine ligase is an enzyme that catalyzes the chemical reaction

ATP + detyrosinated α-tubulin + L-tyrosine

\rightleftharpoons

α-tubulin + ADP + phosphate

The 3 substrates of this enzyme are ATP, detyrosinated alpha-tubulin, and L-tyrosine, whereas its 3 products are alpha-tubulin, ADP, and phosphate.

This enzyme belongs to the family of ligases, specifically those forming carbon-nitrogen bonds as acid-D-amino-acid ligases (peptide synthases). The systematic name of this enzyme class is alpha-tubulin:L-tyrosine ligase (ADP-forming).

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