Peptide Database

Peptide NameDQ2-Glia-alpha1 epitope (p58p72; E65)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC85H123N19O23

DescriptionStandard

        LQPFPQPELPYPQPQ
    

Molecular Weight1779.00 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0825

GRAVY Index-1.20

Hydrophobic Moment 0.21

Boman Index0.01

Instability Index166.44

Aliphatic Index 52.00

Aromaticity 0.1333

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 647.87

LogP -3.57

H-bond Donors 16.0

H-bond Acceptors 22.0

Rotatable Bonds 46.0

Heavy Atoms 127.0

Ring Count 8.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0317330 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: E65

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay