Peptide Database

Peptide NameWheat peptide W32, Barley peptide B25, Rye peptide R26

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC68H95N17O18

DescriptionStandard

        PFPQQPQQPFPQ
    

Molecular Weight1438.58 Da

Isoelectric Point (pI)5.96

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0035

GRAVY Index-1.66

Hydrophobic Moment 0.40

Boman Index-0.11

Instability Index185.72

Aliphatic Index 0.00

Aromaticity 0.1667

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 549.72

LogP -5.01

H-bond Donors 14.0

H-bond Acceptors 18.0

Rotatable Bonds 38.0

Heavy Atoms 103.0

Ring Count 7.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0295122 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: W32; Reported substitutions/positions: B25; Reported substitutions/positions: R26

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay