Peptide Database

Peptide NameWheat peptide W19, Barley peptide B19

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC74H97N17O17

DescriptionStandard

        PFPWQPQQPFPQ
    

Molecular Weight1496.67 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-1.44

Hydrophobic Moment 0.28

Boman Index0.03

Instability Index151.22

Aliphatic Index 0.00

Aromaticity 0.2500

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 522.42

LogP -2.55

H-bond Donors 14.0

H-bond Acceptors 17.0

Rotatable Bonds 37.0

Heavy Atoms 108.0

Ring Count 9.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0148435 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: W19; Reported substitutions/positions: B19

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay