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: LNAQRPDNR
Peptide within the protein Ara-h-3:
RQQPEENACQFQRLNAQRPDNRIESEGGYIETWNPNNQEFECAGVALSRLVLRRNALRRPFYSNAPQEIFIQQGRGYFGLIFPGCPRHYEEPHTQGRRSQSQRPPRRLQGEDQSQQQRDSHQKVHRFDEGDLIAVPTGVAFWLYNDHDTDVVAVSLTDTNNNDNQLDQFPRRFNLAGNTEQEFLRYQQQSRQSRRRSLPYSPYSPQSQPRQEEREFSPRGQHSRRERAGQEEENEGGNIFSGFTPEFLEQAFQVDDRQIVQNLRGETESEEEGAIVTVRGGLRILSPDRKRRADEEEEYDEDEYEYDEEDRRRGRGSRGRGNGIEETICTASAKKNIGRNRSPDIYNPQAGSLKTANDLNLLILRWLGPSAEYGNLYRNALFVAHYNTNAHSIIYRLRGRAHVQVVDSNGNRVYDEELQEGHVLVVPQNFAVAGKSQSENFEYVAFKTDSRPSIANLAGENSVIDNLPEEVVANSYGLQREQARQLKNNNPFKFFVPPSQQSPRAVA
MAKLLELSFCFCFLVLGASSISFRQQPEENACQFQRLNAQRPDNRIESEGGYIETWNPNNQEFECAGVALSRLVLRRNALRRPFYSNAPQEIFIQQGRGYFGLIFPGCPSTYEEPAQQGRRYQSQRPPRRLQEEDQSQQQQDSHQKVHRFNEGDLIAVPTGVAFWLYNDHDTDVVAVSLTDTNNNDNQLDQFPRRFNLAGNHEQEFLRYQQQSRQSRRRSLPYSPYSPHSRPRREEREFRPRGQHSRRERAGQEEEDEGGNIFSGFTPEFLEQAFQVDDRQIVQNLWGENESEEEGAIVTVRGGLRILSPDGTRGADEEEEYDEDQYEYHEQDGRRGRGSRGGGNGIEETICTACVKKNIGGNRSPHIYDPQRWFTQNCHDLNLLILRWLGLSAEYGNLYRNALFVPHYNTNAHSIIYALRGRAHVQVVDSNGNRVYDEELQEGHVLVVPQNFAVAGKSQSENFEYVAFKTDSRPSIANFAGENSFIDNLPEEVVANSYGLPREQARQLKNNNPFKFFVPPFQQSPRAVA
References reporting this peptide:
- Chassaigne H., et al. Resolution and identification of major peanut allergens using a combination of fluorescence two-dimensional differential gel electrophoresis, Western blotting and Q-TOF mass spectrometry. Journal of Proteomics. 2009
- Pedreschi R., et al. Current Challenges in Detecting Food Allergens by Shotgun and Targeted Proteomic Approaches: A Case Study on Traces of Peanut Allergens in Baked Cookies. Nutrients. 2012
- Vandekerckhove, et al. Development of an LC-MS/MS method for the detection of traces of peanut allergens in chili pepper. Analytical and Bioanalytical Chemistry. 2017
Species Uniqueness
Species containing the peptide LNAQRPDNR are presented below. Accessions and taxid values link to further information hosted on NCBI.
| Species name | Common name | Accession(s) | Tax ID |
|---|---|---|---|
| Arachis duranensis | Peanut ancestor | XP_015968165 XP_015968162 XP_015968161 XP_015968312 XP_015968160 XP_015968165 XP_015968162 XP_015968161 XP_015968312 XP_015968160 |
130453 |
| Arachis hypogaea | Peanut | AAM93157 AAC63045 3C3V_A AAT39430 ADQ53859 ABI17154 AAG01363 XP_016205798 AAD47382 ACH91862 AAW56067 AAU21490 AAR02860 AAU21491 AAM46958 AAM93157 AAC63045 3C3V_A AAT39430 ADQ53859 ABI17154 AAG01363 XP_016205798 AAD47382 ACH91862 AAW56067 AAU21490 AAR02860 AAU21491 AAM46958 |
3818 |
| Arachis ipaensis | Arachis ipaensis | XP_016205863 XP_016205798 XP_016205866 XP_016205863 XP_016205798 XP_016205866 |
130454 |
BLAST non-redundant protein database version: 4, date: December 9, 2015.
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