Peptide Database

Peptide Namealpha20-gliadin (p91p106)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC89H129N25O24

DescriptionStandard

        PQPFRPQQPYPQPQPQ
    

Molecular Weight1933.13 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) 0.0598

GRAVY Index-2.20

Hydrophobic Moment 0.35

Boman Index-0.33

Instability Index161.54

Aliphatic Index 0.00

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 773.76

LogP -7.82

H-bond Donors 21.0

H-bond Acceptors 25.0

Rotatable Bonds 51.0

Heavy Atoms 138.0

Ring Count 9.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0378401 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 intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay

RECORD: Rec_0407918 VERIFIED: YES