Peptide Database

Peptide NameAnalog of alpha-gliadin (p31-p49; A31)

Function Ontology

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC102H142N26O28

DescriptionStandard

        AGQQQPFPPQQPYPQPQPF
    

Molecular Weight2180.38 Da

Isoelectric Point (pI)5.57

Net Charge (pH 7.0)-0.21

Net Charge (pH 7.4) -0.39

Charge Density (pH 7.0) -0.0108

GRAVY Index-1.58

Hydrophobic Moment 0.22

Boman Index-0.07

Instability Index157.88

Aliphatic Index 5.26

Aromaticity 0.1579

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 847.45

LogP -8.39

H-bond Donors 21.0

H-bond Acceptors 28.0

Rotatable Bonds 57.0

Heavy Atoms 156.0

Ring Count 10.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0078836 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic [Synthetic]

FamilyGliadin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsReported substitutions/positions: A31; Sequence analog; Reported substitution variant

Bio-Activity Profile

Function

Celiac toxic

TargetHuman small bowel biopsies

MethodOrgan culture

RECORD: Rec_0136792 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

Tax ID4565;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac toxic

RECORD: Rec_0394787 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac toxic