immunofluorescence with specific peptide antibodies has previously established that tyrosinated ( tyr ) and detyrosinated ( glu ) tubulin , the two species generated by posttranslational modification of the cooh-terminus of alpha-tubulin , are present in distinct , but overlapping , subsets of microtubules in cultured cells ( gundersen , g .
C0041348
tubulin
C0026046
microtubules