Peptide Database

Peptide NameWheat peptide W18

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC115H165N27O29

DescriptionStandard

        PQLPYPQPELPYPQPQPFRP
    

Molecular Weight2389.70 Da

Isoelectric Point (pI)6.42

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0020

GRAVY Index-1.43

Hydrophobic Moment 0.37

Boman Index-0.09

Instability Index136.46

Aliphatic Index 39.00

Aromaticity 0.1500

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 843.93

LogP -4.49

H-bond Donors 23.0

H-bond Acceptors 29.0

Rotatable Bonds 60.0

Heavy Atoms 171.0

Ring Count 12.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0148300 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitutions/positions: W18

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay