Peptide Database

Peptide NameGlia-alpha20-gliadin (p93p106; E97)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC79H113N21O22

DescriptionStandard

        PFRPEQPYPQPQPQ
    

Molecular Weight1708.87 Da

Isoelectric Point (pI)6.43

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0028

GRAVY Index-2.15

Hydrophobic Moment 0.33

Boman Index-0.32

Instability Index154.33

Aliphatic Index 0.00

Aromaticity 0.1429

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 675.47

LogP -5.96

H-bond Donors 19.0

H-bond Acceptors 22.0

Rotatable Bonds 45.0

Heavy Atoms 122.0

Ring Count 8.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0089839 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: E97

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman gluten-specific T cells / HLA-DQ2

MethodT-cell proliferation assay