Peptide Database

Peptide Nameceliac sprue gluten epitope found in glutenin

Function Ontology

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC51H75N15O14

DescriptionStandard

        PIQQQPHQF
    

Molecular Weight1122.23 Da

Isoelectric Point (pI)7.17

Net Charge (pH 7.0)0.05

Net Charge (pH 7.4) -0.06

Charge Density (pH 7.0) 0.0051

GRAVY Index-1.46

Hydrophobic Moment 0.43

Boman Index-0.11

Instability Index64.71

Aliphatic Index 43.33

Aromaticity 0.1111

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 474.38

LogP -4.48

H-bond Donors 14.0

H-bond Acceptors 15.0

Rotatable Bonds 34.0

Heavy Atoms 80.0

Ring Count 4.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0224367 VERIFIED: YES

Provenance & Taxonomy

OrganismTriticum aestivum [Plant]

FamilyGliadin-derived

Tax ID4565;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac toxic

PaperShan L., Qiao S-W., Arentz-Hansen H., Molberg O., Gray G. M., Sollid L. M., Khosla C.. Identification and analysis of multivalent proteolytically resistant peptides from gluten: implications for celiac sprue. J. Proteome Res., 2005, 4, 1732-1741. PMID16212427 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/16212427/

RECORD: Rec_0346642 VERIFIED: YES