Peptide Database

Peptide NameBarley peptide B02

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC83H119N21O24

DescriptionStandard

        GQQPFPQPEQPFPLQG
    

Molecular Weight1794.96 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0773

GRAVY Index-1.27

Hydrophobic Moment 0.39

Boman Index0.00

Instability Index160.99

Aliphatic Index 24.38

Aromaticity 0.1250

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 708.62

LogP -6.81

H-bond Donors 18.0

H-bond Acceptors 23.0

Rotatable Bonds 50.0

Heavy Atoms 128.0

Ring Count 7.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0328966 VERIFIED: YES

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

FamilyHordein

Tax ID4513

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitutions/positions: B02

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay