Peptide Database

Peptide Namealpha-gliadin (p31-p49)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC105H148N26O28

DescriptionStandard

        LGQQQPFPPQQPYPQPQPF
    

Molecular Weight2222.46 Da

Isoelectric Point (pI)5.52

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.45

Charge Density (pH 7.0) -0.0127

GRAVY Index-1.47

Hydrophobic Moment 0.22

Boman Index-0.05

Instability Index157.88

Aliphatic Index 20.53

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 -7.36

H-bond Donors 21.0

H-bond Acceptors 28.0

Rotatable Bonds 59.0

Heavy Atoms 159.0

Ring Count 10.0

Amide Bonds 25.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0039930 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-immunogenic Celiac toxic

TargetHuman coeliac jejunal mucosa

MethodIn vivo peptide challenge

RECORD: Rec_0313680 VERIFIED: YES