EOG8R52GV GO:0006464 26/89 cellular protein modification process biological_process "The covalent alteration of one or more amino acids occurring in proteins, peptides and nascent polypeptides (co-translational, post-translational modifications) occurring at the level of an individual cell. Includes the modification of charged tRNAs that are destined to occur in a protein (pre-translation modification)." [GOC:go_curators] EOG8R52GV GO:0005524 2/89 ATP binding molecular_function "Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator." [ISBN:0198506732] EOG8R52GV GO:0004835 1/89 tubulin-tyrosine ligase activity molecular_function "Catalysis of the reaction: ATP + detyrosinated alpha-tubulin + L-tyrosine = alpha-tubulin + ADP + phosphate." [EC:6.3.2.25]