Peptide Database

Peptide Namep8-p22 omega-gliadin of AAG17702 (p81-p102), Wheat peptide W3

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC89H120N22O22

DescriptionStandard

        QQPFPQPQQPFPWQP
    

Molecular Weight1850.04 Da

Isoelectric Point (pI)5.53

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0160

GRAVY Index-1.73

Hydrophobic Moment 0.38

Boman Index-0.08

Instability Index161.49

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 692.31

LogP -4.97

H-bond Donors 17.0

H-bond Acceptors 22.0

Rotatable Bonds 47.0

Heavy Atoms 133.0

Ring Count 10.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0253642 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsReported substitutions/positions: W3

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay