Peptide Database

Peptide Nameomega-gliadin AAG17702 substituted by Lysine (p89-p102; E95 K99)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC85H116N20O21

DescriptionStandard

        QPFPQPEQPFKWQP
    

Molecular Weight1753.95 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-1.76

Hydrophobic Moment 0.44

Boman Index-0.13

Instability Index134.78

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 649.14

LogP -3.50

H-bond Donors 17.0

H-bond Acceptors 21.0

Rotatable Bonds 47.0

Heavy Atoms 126.0

Ring Count 9.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0065300 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: K99

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay