Peptide Database

Peptide NameGda09 (p203p220; E216) P18573 (alpha-gliadin (alpha-I)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC83H119N23O32

DescriptionStandard

        QYPSGEGSFQPSQENPQA
    

Molecular Weight1950.97 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.24

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1242

GRAVY Index-1.62

Hydrophobic Moment 0.21

Boman Index-0.16

Instability Index70.52

Aliphatic Index 5.56

Aromaticity 0.1111

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 902.62

LogP -13.72

H-bond Donors 27.0

H-bond Acceptors 30.0

Rotatable Bonds 59.0

Heavy Atoms 138.0

Ring Count 5.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0400150 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: E216

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman HLA-DQ8-positive coeliac mucosa

MethodOrgan culture