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A modular tyrosine kinase deoxyribozyme with discrete aptamer and catalyst domains.


ABSTRACT: We assess the utility of integrating a predetermined aptamer DNA module adjacent to a random catalytic DNA region for identifying new deoxyribozymes by in vitro selection. By placing a known ATP aptamer next to an N40 random region, an explicitly modular DNA catalyst for tyrosine side chain phosphorylation is identified. The results have implications for broader identification of deoxyribozymes that function with small-molecule substrates.

SUBMITTER: Dokukin V 

PROVIDER: S-EPMC4126072 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature

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A modular tyrosine kinase deoxyribozyme with discrete aptamer and catalyst domains.

Dokukin Victor V   Silverman Scott K SK  

Chemical communications (Cambridge, England) 20140801 66


We assess the utility of integrating a predetermined aptamer DNA module adjacent to a random catalytic DNA region for identifying new deoxyribozymes by in vitro selection. By placing a known ATP aptamer next to an N40 random region, an explicitly modular DNA catalyst for tyrosine side chain phosphorylation is identified. The results have implications for broader identification of deoxyribozymes that function with small-molecule substrates. ...[more]

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