Peptide Database

Peptide NameBarley peptide B05

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC89H128N22O24

DescriptionStandard

        PQPFPQQPIPQQPQPY
    

Molecular Weight1890.10 Da

Isoelectric Point (pI)5.95

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0027

GRAVY Index-1.64

Hydrophobic Moment 0.28

Boman Index-0.09

Instability Index152.03

Aliphatic Index 24.38

Aromaticity 0.1250

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 711.86

LogP -6.04

H-bond Donors 18.0

H-bond Acceptors 24.0

Rotatable Bonds 49.0

Heavy Atoms 135.0

Ring Count 9.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0033834 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: B05

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay