Peptide Database

Peptide Namealpha-2 gliadin G9 (p56p75; E65)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC116H169N25O30

DescriptionStandard

        LQLQPFPQPELPYPQPQLPY
    

Molecular Weight2393.73 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.45

Charge Density (pH 7.0) -0.0620

GRAVY Index-0.84

Hydrophobic Moment 0.21

Boman Index0.09

Instability Index153.26

Aliphatic Index 78.00

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 847.90

LogP -3.33

H-bond Donors 22.0

H-bond Acceptors 29.0

Rotatable Bonds 64.0

Heavy Atoms 171.0

Ring Count 10.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0164321 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: G9; Reported substitutions/positions: E65

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay