Coding

Part:BBa_K4165197

Designed by: Esraa Elmligy   Group: iGEM22_CU_Egypt   (2022-10-01)


Amyloid beta peptide 17 (Aβ 36-42)

This part encodes a part of the Amyloid 𝛽 fragment (36-42) which has the ability to bind to A𝛽 plaques inside the brain.


Usage and Biology

Segments of amyloid beta fibrils are widely used as a recognition sequence for amyloid beta plaques inside the brain, this is due to the homotypic interactions in the C-terminus of fibrils. This peptide starts from amino acid 36 to 42 of the fibril.

Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


Dry lab

Modeling

The peptide was modeled by several software (Alphafold - Apptest - Pepfold) and the best model was obtained from Apptest.


                               Figure 1.: Amyloid-beta (36-42) top model visualized by Pymol.

References

1- Zhao, Y., Cai, J., Liu, Z., Li, Y., Zheng, C., Zheng, Y., ... & Liu, Y. (2018). Nanocomposites inhibit the formation, mitigate the neurotoxicity, and facilitate the removal of β-amyloid aggregates in Alzheimer’s disease mice. Nano letters, 19(2), 674-683.


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