Peptide Database

Peptide NameDeamidated peptide

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC68H103N21O24

DescriptionStandard

        QQPQQSFPEQERP
    

Molecular Weight1598.67 Da

Isoelectric Point (pI)4.53

Net Charge (pH 7.0)-1.23

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0949

GRAVY Index-2.45

Hydrophobic Moment 0.38

Boman Index-0.53

Instability Index174.92

Aliphatic Index 0.00

Aromaticity 0.0769

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 758.33

LogP -9.71

H-bond Donors 22.0

H-bond Acceptors 23.0

Rotatable Bonds 50.0

Heavy Atoms 113.0

Ring Count 4.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0420626 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic [Synthetic]

FamilyGliadin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman HLA-DQ8-positive coeliac mucosa

MethodOrgan culture