Croote, D., Quake, S.R. Food allergen detection by mass spectrometry: the role of systems biology. npj Syst Biol Appl. 2016 Sep 29; 2:16022.
Peptide: QQEQLQQER
Peptide within the protein Pru-du-6:
MAKAFVFSLCLLLVFNGCLAARQSQLSPQNQCQLNQLQAREPDNRIQAEAGQIETWNFNQEDFQCAGVAASRITIQRNGLHLPSYSNAPQLIYIVQGRGVLGAVFSGCPETFEESQQSSQQGRQQEQEQERQQQQQGEQGRQQGQQEQQQERQGRQQGRQQQEEGRQQEQQQGQQGRPQQQQQFRQFDRHQKTRRIREGDVVAIPAGVAYWSYNDGDQELVAVNLFHVSSDHNQLDQNPRKFYLAGNPENEFNQQGQSQPRQQGEQGRPGQHQQPFGRPRQQEQQGSGNNVFSGFNTQLLAQALNVNEETARNLQGQNDNRNQIIRVRGNLDFVQPPRGRQEREHEERQQEQLQQERQQQGGQLMANGLEETFCSLRLKENIGNPERADIFSPRAGRISTLNSHNLPILRFLRLSAERGFFYRNGIYSPHWNVNAHSVVYVIRGNARVQVVNENGDAILDQEVQQGQLFIVPQNHGVIQQAGNQGFEYFAFKTEENAFINTLAGRTSFLRALPDEVLANAYQISREQARQLKYNRQETIALSSSQQRRAVV
CLLLLFNGCLASRQHIFGQNKEWQLNQLEAREPDNHIQSEAGVTESWNPSDPQFQLAGVAVVRRTIEPNGLHLPSYVNAPQLIYIVRGRGVLGAVFPGCAETFEDSQPQQFQQQQQQQQFRPSRQEGGQGQQQFQGEDQQDRHQKIRHIREGDIIALPAGVAYWSYNNGEQPLVAVSLLDLNNDQNQLDQVPRRFYLAGNPQDEFNPQQQGRQQQQQQQGQQGNGNNIFSGFDTQLLAQALNVNPETARNLQGQDDNRNEIVRVQGQLDFVSPFSRSAGGRGDQERQQEEQQSQREREEKQREQEQQGGGGQDNGVEETFCSARLSQNIGDPSRADFYNPQGGRISVVNRNHLPILRYLRLSAEKGVLYNNAIYTPHWHTNANALVYAIRGNARVQVVNENGDPILDDEVREGQLFLIPQNHAVITQASNEGFEYISFRTDENGFTNTLAGRTSVLRALPDEVLQNAFRISRQEARNLKYNRQESRLLSATSPPRGRLMSILGY
References reporting this peptide:
- Bignardi C., et al. Particle-packed column versus silica-based monolithic column for liquid chromatography–electrospray-linear ion trap-tandem mass spectrometry multiallergen trace analysis in foods. Journal of Chromatography A. 2010
- Bignardi C., et al. A Rapid Size-Exclusion Solid-Phase Extraction Step for Enhanced Sensitivity in Multi-Allergen Determination in Dark Chocolate and Biscuits by Liquid Chromatography–Tandem Mass Spectrometry. Food Analytical Methods. 2013
- Fasoli E., et al. In-depth proteomic analysis of non-alcoholic beverages with peptide ligand libraries. I: Almond milk and orgeat syrup. Journal of Proteomics. 2011
- Gu, et al. A rapid solid-phase extraction combined with liquid chromatography-tandem mass spectrometry for simultaneous screening of multiple allergens in chocolates. Food Control. 2018
Species Uniqueness
Species containing the peptide QQEQLQQER are presented below. Accessions and taxid values link to further information hosted on NCBI.
| Species name | Common name | Accession(s) | Tax ID |
|---|---|---|---|
| Eimeria brunetti | Eimeria brunetti | CDJ52669 |
51314 |
| Prunus dulcis | Almond | 3EHK_A ADN39440 CAA55009 |
3755 |
| Prunus mume | Japanese apricot | XP_008235678 |
102107 |
| Prunus persica | Peach | XP_007201716 |
3760 |
BLAST non-redundant protein database version: 4, date: December 9, 2015.
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