Peptide Database

Peptide Nameomega-gliadin AAG17702 substituted by Lysine (p89-p102; E95 K101)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC85H115N19O20

DescriptionStandard

        QPFPQPEQPFPWKP
    

Molecular Weight1722.94 Da

Isoelectric Point (pI)6.00

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0170

GRAVY Index-1.63

Hydrophobic Moment 0.39

Boman Index-0.06

Instability Index138.07

Aliphatic Index 0.00

Aromaticity 0.2143

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 597.26

LogP -2.26

H-bond Donors 15.0

H-bond Acceptors 20.0

Rotatable Bonds 43.0

Heavy Atoms 124.0

Ring Count 10.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0020754 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsReported substitutions/positions: E95; Reported substitutions/positions: K101

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay