Peptide Database

Peptide NameBarley peptide B03

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC69H98N16O18

DescriptionStandard

        QPFPQPQQPIPY
    

Molecular Weight1439.61 Da

Isoelectric Point (pI)5.52

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.45

Charge Density (pH 7.0) -0.0201

GRAVY Index-1.33

Hydrophobic Moment 0.40

Boman Index0.00

Instability Index135.17

Aliphatic Index 32.50

Aromaticity 0.1667

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 532.06

LogP -3.44

H-bond Donors 13.0

H-bond Acceptors 18.0

Rotatable Bonds 36.0

Heavy Atoms 103.0

Ring Count 7.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0308534 VERIFIED: YES

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

FamilyHordein

Tax ID4513

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsReported substitutions/positions: B03

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay