Peptide Database

Peptide NameWheat peptide W21 HMW

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC76H112N22O27

DescriptionStandard

        QGQQGYYPISPQQSGQ
    

Molecular Weight1765.83 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-1.57

Hydrophobic Moment 0.27

Boman Index-0.12

Instability Index110.53

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 821.70

LogP -11.90

H-bond Donors 25.0

H-bond Acceptors 27.0

Rotatable Bonds 55.0

Heavy Atoms 125.0

Ring Count 4.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0021123 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