Peptide Database

Peptide NameBarley peptide B05

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC89H127N21O25

DescriptionStandard

        PQPFPQQPIPEQPQPY
    

Molecular Weight1891.09 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.04

Net Charge (pH 7.4) -1.10

Charge Density (pH 7.0) -0.0650

GRAVY Index-1.64

Hydrophobic Moment 0.27

Boman Index-0.08

Instability Index150.85

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 706.07

LogP -5.44

H-bond Donors 18.0

H-bond Acceptors 24.0

Rotatable Bonds 49.0

Heavy Atoms 135.0

Ring Count 9.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0280757 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: B05

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay