Peptide Database

Peptide NameWheat peptide W26, Barley peptide B20

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC69H98N16O17

DescriptionStandard

        PFPLQPQQPFPQ
    

Molecular Weight1423.61 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-1.05

Hydrophobic Moment 0.26

Boman Index0.05

Instability Index180.78

Aliphatic Index 32.50

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 506.63

LogP -3.23

H-bond Donors 13.0

H-bond Acceptors 17.0

Rotatable Bonds 37.0

Heavy Atoms 102.0

Ring Count 7.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0246612 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: W26; Reported substitutions/positions: B20

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay