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|Type:||Artigo de periódico|
|Title:||Synthesis Of Peptides From α- And β-tubulin Containing Glutamic Acid Side-chain Linked Oligo-glu With Defined Length|
|Abstract:||Side-chain oligo- and polyglutamylation represents an important posttranslational modification in tubulin physiology. The particular number of glutamate units is related to specific regulatory functions. In this work, we present a method for the synthesis of building blocks for the Fmoc synthesis of peptides containing main chain glutamic acid residues that carry side-chain branching with oligo-glutamic acid. The two model peptide sequences CYEEVGVDSVEGEG-E(E x)-EEGEEY and CQDATADEQG-E(E x)-FEEEEGEDEA from the C-termini of mammalian α1- and β1-tubulin, respectively, containing oligo-glutamic acid side-chain branching with lengths of 1 to 5 amino acids were assembled in good yield and purity. The products may lead to the generation of specific antibodies which should be important tools for a more detailed investigation of polyglutamylation processes. © 2010 Werner Tegge et al.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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