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                SDAP 2.0 - Structural Database of Allergenic Proteins
Go to: SDAP All allergens       Go to: SDAP Food allergens
Send a comment to Werner Braun      Submit new allergen information to SDAP
Alphabetical listing of allergens: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Access to SDAP is available free of charge for Academic and non-profit use.< Licenses for commercial use can be obtained by contacting W. Braun ( Secure access to SDAP is available from

Allergen Info Description
Allergen ID 1736
Allergen Scientific Name Hor v 20.0101
Allergen Species - Systematic Name Hordeum vulgare
Allergen Species - Common Name barley
Allergen Common source foods
Allergen Common name
Allergen Keywords Gamma-hordein 3
Allergen IUIS (Yes=1, No=0) 1
Hor v 20.0101 - References
ID Reference
Pubmed ID: 12840704
Palosuo K. Update on wheat hypersensitivity. Curr Opin Allergy Clin Immunol. 2003 Jun;3(3):205-9. doi: 10.1097/00130832-200306000-00009. PMID: 12840704.
Pubmed ID: 11260160
Palosuo K, Alenius H, Varjonen E, Kalkkinen N, Reunala T. Rye gamma-70 and gamma-35 secalins and barley gamma-3 hordein cross-react with omega-5 gliadin, a major allergen in wheat-dependent, exercise-induced anaphylaxis. Clin Exp Allergy. 2001 Mar;31(3):466-73. doi: 10.1046/j.1365-2222.2001.01023.x. PMID: 11260160.
Hor v 20.0101 - Protein Sequences
Source Link to source
GenBank P80198
Hor v 20.0101 - Sequence Search :
Sequence Header Sequence
Hor v 20.0101
SDAP Sequence ID: 1497
SDAP Allergen ID: 1736
View 3D Structure Click here to view 3D model structure of allergen
Fasta Search in SDAP
Blast Swissprot database search at NCBI
Blast PDB database search at NCBI
Blast NR database search at NCBI
Hor v 20.0101 - Statistics from Alphafold ( SI is sequence id, Best template format: PDB_ChainID)
Allergen Name pLDDT Score pTM Score Best PDB template %Seq ID Align length Seq length Query Range Sequence Range E-Value Bit Score Download Model
Hor v 20.0101 54.25 0.4 1S6D_A 30.12 83 289 133 - 212 15 - 83 0.044 34.7 Download (SI: 1497)
Hor v 20.0101 - Alphafold Theoretical Model Structure
Model Structure

Coverage Plddt
Hor v 20.0101 - Protein Sequence Properties!
Protein Sequence Protease cleavage sites PeptideCutter at ExPASy
P80198 Click here to process the data
Hor v 20.0101 - PFAM Information
SeqID Aller ID AlnS AlnE EnvS EnvE PFAM ID Family Type Clan Description
1497 1736 128 208 122 208 PF13016 Gliadin Family CL0482 Cys-rich Gliadin N-terminal
Where: AlnS= Alignment start position, AlnE= Alignment end position, EnvS= Envelope start position, EnvE= Envelope end position.

List of B-cell epitopes predicted by BepiPred method using a window size of 9 amino acids

Cleck here for epitopes predicted by BepiPred method
Hor v 20.0101 - Epitope Information from published data
No. Position Epitope Sequence Epitope Type View epitope Search epitope in SDAP PD search in SDAP Cross-React search
No epitope information found!
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