Peptide Database

Peptide Nameceliac sprue gluten epitope found in secalin

Function Ontology

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC50H76N14O15

DescriptionStandard

        QFPQQPQQI
    

Molecular Weight1113.22 Da

Isoelectric Point (pI)5.53

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0267

GRAVY Index-1.49

Hydrophobic Moment 0.50

Boman Index-0.16

Instability Index128.91

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 493.99

LogP -5.09

H-bond Donors 13.0

H-bond Acceptors 15.0

Rotatable Bonds 34.0

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_0020176 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_0312334 VERIFIED: YES