Peptide Database

Peptide NameWheat peptide W21 HMW

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC93H138N28O33

DescriptionStandard

        QGQQGYYPISPQQSGQGQQP
    

Molecular Weight2176.26 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) -0.0121

GRAVY Index-1.71

Hydrophobic Moment 0.27

Boman Index-0.15

Instability Index109.69

Aliphatic Index 19.50

Aromaticity 0.1000

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 1015.49

LogP -15.29

H-bond Donors 30.0

H-bond Acceptors 33.0

Rotatable Bonds 68.0

Heavy Atoms 154.0

Ring Count 5.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0376012 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: W21

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay