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Related Concept Videos

Restriction Enzymes01:11

Restriction Enzymes

Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
Enzymes02:34

Enzymes

Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions.
Enzyme deficiencies can often translate into life-threatening diseases. For example, a genetic abnormality resulting in the deficiency of the enzyme G6PD...
Ribozymes02:47

Ribozymes

The term ribozyme is used for RNA that can act as an enzyme. Ribozymes are mainly found in selected viruses, bacteria, plant organelles, and lower eukaryotes. Ribozymes were first discovered in 1982 when Tom Cech’s laboratory observed Group I introns acting as enzymes. This was shortly followed by the discovery of another ribozyme, Ribonulcease P, by Sid Altman’s laboratory. Both Cech and Altman received the Nobel Prize in chemistry in 1989 for their work on ribozymes.
Ribozymes can be...

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Updated: Jun 16, 2026

DNAzyme 10-23 - Based Nanomachines for Nucleic Acid Recognition
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Published on: February 9, 2024

DNA-Enzyme Hybrid Nanostructures: Functional Materials to Modulate Enzymatic Activity.

Manar Elnaggar1,2, Amelie Heuer-Jungemann1,2

  • 1Max Planck Institute of Biochemistry, Center for Nanoscience, LMU, Munich, Germany.

Small (Weinheim an Der Bergstrasse, Germany)
|June 15, 2026
PubMed
Summary
This summary is machine-generated.

DNA nanostructures precisely position enzymes, enhancing their activity. This review explores mechanisms behind this enhancement and remaining challenges for DNA-enzyme hybrid nanostructures.

Keywords:
DNA origamiDNA‐enzyme hybrid nanostructuresbiocatalysisenzymes

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Area of Science:

  • Biotechnology
  • Nanotechnology
  • Biochemistry

Background:

  • DNA nanotechnology allows precise construction of 2D and 3D nanostructures.
  • Immobilizing enzymes on DNA nanostructures controls their positioning and stoichiometry, influencing catalytic activity.

Purpose of the Study:

  • To review recent literature on DNA-enzyme hybrid nanostructures.
  • To critically discuss hypotheses explaining enzyme activity changes upon DNA conjugation.
  • To identify gaps and future research directions in the field.

Main Methods:

  • Literature review of studies on DNA-enzyme hybrid nanostructures.
  • Critical analysis of proposed mechanisms for altered enzymatic activity.
  • Discussion of challenges and potential applications.

Main Results:

  • Enzymes on DNA nanostructures often exhibit enhanced activity, but current hypotheses are insufficient for full explanation.
  • Mechanisms like proximity effects, electrostatics, and pH modulation are considered, alongside potential hydration layer stabilization.
  • Challenges include achieving efficiency in multi-enzyme cascades and accommodating large enzymes.

Conclusions:

  • Further research is needed to fully elucidate the mechanisms behind enhanced enzymatic activity in DNA-enzyme hybrids.
  • Addressing challenges in enzyme immobilization and cascade efficiency is crucial for advancing the field.
  • DNA-enzyme hybrid nanostructures hold significant potential for various applications.