Peptide Database

Peptide Namealpha-gliadin (p202-p220)

Function Ontology

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC92H139N29O30

DescriptionStandard

        QQYPLGQGSFRPSQQNPQA
    

Molecular Weight2131.26 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0400

GRAVY Index-1.53

Hydrophobic Moment 0.44

Boman Index-0.23

Instability Index71.31

Aliphatic Index 25.79

Aromaticity 0.1053

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 984.97

LogP -14.12

H-bond Donors 30.0

H-bond Acceptors 31.0

Rotatable Bonds 66.0

Heavy Atoms 151.0

Ring Count 5.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0348579 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin

Tax ID4565

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac toxic

TargetHuman coeliac jejunal mucosa

MethodIn vivo peptide challenge