Peptide Database

Peptide Nameceliac sprue gluten epitope found in hordein

Function Ontology

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC49H74N14O15S

DescriptionStandard

        PQQQFPQQM
    

Molecular Weight1131.26 Da

Isoelectric Point (pI)5.96

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0046

GRAVY Index-1.78

Hydrophobic Moment 0.33

Boman Index-0.24

Instability Index128.91

Aliphatic Index 0.00

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 488.79

LogP -5.47

H-bond Donors 14.0

H-bond Acceptors 16.0

Rotatable Bonds 36.0

Heavy Atoms 79.0

Ring Count 3.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0043357 VERIFIED: NO

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

FamilyGliadin-derived

Tax ID4565;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac-associated predicted HLA-DQ2-restricted T-cell epitope

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_0110013 VERIFIED: NO