Peptide Database

Peptide NameGlia-alpha20-gliadin (p93p106)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC79H114N22O21

DescriptionStandard

        PFRPQQPYPQPQPQ
    

Molecular Weight1707.89 Da

Isoelectric Point (pI)9.18

Net Charge (pH 7.0)0.96

Net Charge (pH 7.4) 0.90

Charge Density (pH 7.0) 0.0684

GRAVY Index-2.15

Hydrophobic Moment 0.32

Boman Index-0.33

Instability Index155.67

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 681.26

LogP -6.56

H-bond Donors 19.0

H-bond Acceptors 22.0

Rotatable Bonds 45.0

Heavy Atoms 122.0

Ring Count 8.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0280672 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman gluten-specific T cells / HLA-DQ2

MethodT-cell proliferation assay

RECORD: Rec_0296077 VERIFIED: YES