The Enzyme Database

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EC 6.3.2.25     
Accepted name: tubulin—tyrosine ligase
Reaction: ATP + detyrosinated α-tubulin + L-tyrosine = α-tubulin + ADP + phosphate
Systematic name: α-tubulin:L-tyrosine ligase (ADP-forming)
Comments: L-Tyrosine is linked via a peptide bond to the C-terminus of de-tyrosinated α-tubulin (des-Tyrω-α-tubulin). The enzyme is highly specific for α-tubulin and moderately specific for ATP and L-tyrosine. L-Phenylalanine and 3,4-dihydroxy-L-phenylalanine are transferred but with higher Km values.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 60321-03-1
References:
1.  Wehland, J., Schröder, H.C., Weber, K. Isolation and purification of tubulin-tyrosine ligase. Methods Enzymol. 134 (1986) 170–179. [PMID: 3821560]
2.  Rudiger, M., Wehland, J., Weber, K. The carboxy-terminal peptide of detyrosinated α tubulin provides a minimal system to study the substrate specificity of tubulin-tyrosine ligase. Eur. J. Biochem. 220 (1994) 309–320. [PMID: 7510228]
[EC 6.3.2.25 created 1999]
 
 


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