Peptide Database

Peptide NameDeamidated peptide with alanine substitution

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC66H100N20O23

DescriptionStandard

        QAPQQSFPEQERP
    

Molecular Weight1541.62 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-2.04

Hydrophobic Moment 0.35

Boman Index-0.42

Instability Index160.11

Aliphatic Index 7.69

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 715.24

LogP -8.96

H-bond Donors 21.0

H-bond Acceptors 22.0

Rotatable Bonds 47.0

Heavy Atoms 109.0

Ring Count 4.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0185884 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic [Synthetic]

FamilyGliadin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitution variant

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman HLA-DQ8-positive coeliac mucosa

MethodOrgan culture