Peptide Database

Peptide NameP-3 gamma-gliadin (p139p152; K139, E140, E148 and E150)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC74H114N22O26

DescriptionStandard

        KEQPQQSFPEQERP
    

Molecular Weight1727.83 Da

Isoelectric Point (pI)4.79

Net Charge (pH 7.0)-1.23

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0880

GRAVY Index-2.55

Hydrophobic Moment 0.38

Boman Index-0.59

Instability Index163.14

Aliphatic Index 0.00

Aromaticity 0.0714

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 807.66

LogP -9.50

H-bond Donors 24.0

H-bond Acceptors 25.0

Rotatable Bonds 56.0

Heavy Atoms 122.0

Ring Count 4.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0227143 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic [Synthetic]

FamilyGliadin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitutions/positions: K139,E140,E148; Reported substitutions/positions: E150

Bio-Activity Profile

Function

Celiac-immunogenic