Peptide Database

Peptide NameWheat peptide W03, W19, Barley peptide B01

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC118H158N28O30

DescriptionStandard

        QPFPQPEQPFPWQPQQPFPQ
    

Molecular Weight2448.69 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) -0.0619

GRAVY Index-1.67

Hydrophobic Moment 0.39

Boman Index-0.07

Instability Index170.83

Aliphatic Index 0.00

Aromaticity 0.2000

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 900.62

LogP -6.17

H-bond Donors 22.0

H-bond Acceptors 29.0

Rotatable Bonds 63.0

Heavy Atoms 176.0

Ring Count 13.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0159027 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitutions/positions: W03,W19; Reported substitutions/positions: B01

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay