Peptide Database

Peptide NameDQ2-alpha-I epitope (p58-p68; E65 considered Deamidated form)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC65H93N13O17

DescriptionStandard

        LQPFPQPELPY
    

Molecular Weight1328.51 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) -0.1126

GRAVY Index-0.71

Hydrophobic Moment 0.21

Boman Index0.15

Instability Index159.58

Aliphatic Index 70.91

Aromaticity 0.1818

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 462.87

LogP -1.05

H-bond Donors 12.0

H-bond Acceptors 16.0

Rotatable Bonds 34.0

Heavy Atoms 95.0

Ring Count 6.0

Amide Bonds 12.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0002829 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