Peptide Database

Peptide NameWheat peptide W22 HMW

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC77H113N21O26

DescriptionStandard

        QGQPGYYPTSPQQIGQ
    

Molecular Weight1748.85 Da

Isoelectric Point (pI)5.52

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.45

Charge Density (pH 7.0) -0.0151

GRAVY Index-1.44

Hydrophobic Moment 0.32

Boman Index-0.05

Instability Index83.07

Aliphatic Index 24.38

Aromaticity 0.1250

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 769.82

LogP -10.27

H-bond Donors 23.0

H-bond Acceptors 26.0

Rotatable Bonds 51.0

Heavy Atoms 124.0

Ring Count 5.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0039766 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGlutenin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsReported substitutions/positions: W22

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay