Part:BBa_K4197017

Gene coding for Ara h 2

Gene coding for the peanut allergen Ara h 2

Introduction

This part is composed of the gene coding for the allergen of peanut Ara h 2 (NCBI: AY158467.1). The peanut allergy prevalence is higher than 5% (Lieberman and al. 2018) in developped countries and Ara h 2, among the 17 other peanut allergens, triggers 90% of the peanut allergies (Lehmann and al. 2003). Ara h 2 have already been expressed in E. coli and was able to bind the IgE of patient with peanut's allergie (Lehmann and al. 2003).

Construction

The objective of the INSA-UPS 2022 team was to display Ara h 2 on the surface of E. coli so the ordered sequence was merged to OmpA membrane lipoprotein (see part BBa_K1694008).

References

More information about the project for which the part was created: DAISY (INSA-UPS 2022)

Other parts to display allergens:
- OmpA_Gal d 2
- OmpA_Ana o 3
- OmpA_Der p 1

1. Lieberman, J., Sublett, J., Ali, Y., Haselkorn, T., Damle, V., Chidambaram, A., Rosen, K., & Mahr, T. (2018). INCREASED INCIDENCE AND PREVALENCE OF PEANUT ALLERGY IN CHILDREN AND ADOLESCENTS IN THE UNITED STATES. Annals of Allergy, Asthma & ; Immunology, 121(5), S13. https://doi.org/10.1016/j.anai.2018.09.039
2. Lehmann, K., Hoffmann, S., Neudecker, P., Suhr, M., Becker, W.-M., & Rösch, P. (2003). High-yield expression in Escherichia coli, purification, and characterization of properly folded major peanut allergen Ara h 2. Protein Expression and Purification, 31(2), 250–259. https://doi.org/10.1016/s1046-5928(03)00190-6

Sequence and Features

Assembly Compatibility:

• 10
  COMPATIBLE WITH RFC[10]
• 12
  COMPATIBLE WITH RFC[12]
• 21
  INCOMPATIBLE WITH RFC[21]

  Illegal BamHI site found at 186
  Illegal BamHI site found at 207
  
• 23
  COMPATIBLE WITH RFC[23]
• 25
  COMPATIBLE WITH RFC[25]
• 1000
  INCOMPATIBLE WITH RFC[1000]

  Illegal BsaI.rc site found at 86