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Boolean logic functions of a synthetic peptide network.


ABSTRACT: Living cells can process rapidly and simultaneously multiple extracellular input signals through the complex networks of evolutionary selected biomolecular interactions and chemical transformations. Recent approaches to molecular computation have increasingly sought to mimic or exploit various aspects of biology. A number of studies have adapted nucleic acids and proteins to the design of molecular logic gates and computational systems, while other works have affected computation in living cells via biochemical pathway engineering. Here we report that de novo designed synthetic peptide networks can also mimic some of the basic logic functions of the more complex biological networks. We show that segments of a small network whose graph structure is composed of five nodes and 15 directed edges can express OR, NOR, and NOTIF logic.

SUBMITTER: Ashkenasy G 

PROVIDER: S-EPMC1829323 | biostudies-literature | 2004 Sep

REPOSITORIES: biostudies-literature

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Boolean logic functions of a synthetic peptide network.

Ashkenasy Gonen G   Ghadiri M Reza MR  

Journal of the American Chemical Society 20040901 36


Living cells can process rapidly and simultaneously multiple extracellular input signals through the complex networks of evolutionary selected biomolecular interactions and chemical transformations. Recent approaches to molecular computation have increasingly sought to mimic or exploit various aspects of biology. A number of studies have adapted nucleic acids and proteins to the design of molecular logic gates and computational systems, while other works have affected computation in living cells  ...[more]

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