Peptide Database

Peptide NameWheat peptide W19

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC88H117N21O23

DescriptionStandard

        GQPFPWQPEQPFPQPG
    

Molecular Weight1837.00 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) -0.0773

GRAVY Index-1.45

Hydrophobic Moment 0.29

Boman Index0.05

Instability Index138.81

Aliphatic Index 0.00

Aromaticity 0.1875

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 672.53

LogP -4.89

H-bond Donors 17.0

H-bond Acceptors 22.0

Rotatable Bonds 46.0

Heavy Atoms 132.0

Ring Count 10.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0217502 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: W19

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay