Directional Regulation of Enzyme Pathways through the Control of Substrate Channeling on a DNA Origami Scaffold

Angew Chem Int Ed Engl. 2016 Jun 20;55(26):7483-6. doi: 10.1002/anie.201603183. Epub 2016 May 9.

Abstract

Artificial multi-enzyme systems with precise and dynamic control over the enzyme pathway activity are of great significance in bionanotechnology and synthetic biology. Herein, we exploit a spatially addressable DNA nanoplatform for the directional regulation of two enzyme pathways (G6pDH-MDH and G6pDH-LDH) through the control of NAD(+) substrate channeling by specifically shifting NAD(+) between the two enzyme pairs. We believe that this concept will be useful for the design of regulatory biological circuits for synthetic biology and biomedicine.

Keywords: DNA origami; NADH; enzymes; self-assembly; substrate channeling.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • DNA / chemistry*
  • Multienzyme Complexes / chemistry*
  • NAD / chemistry
  • Nanomedicine
  • Substrate Specificity
  • Synthetic Biology

Substances

  • Multienzyme Complexes
  • NAD
  • DNA