Peptide Database

Peptide NameBarley peptide B11

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC68H95N17O20

DescriptionStandard

        QPQPYPQQPQPY
    

Molecular Weight1470.58 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) -0.0202

GRAVY Index-2.34

Hydrophobic Moment 0.22

Boman Index-0.26

Instability Index147.85

Aliphatic Index 0.00

Aromaticity 0.1667

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 595.38

LogP -5.51

H-bond Donors 15.0

H-bond Acceptors 20.0

Rotatable Bonds 37.0

Heavy Atoms 105.0

Ring Count 7.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0281279 VERIFIED: YES

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

FamilyHordein

Tax ID4513

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsReported substitutions/positions: B11

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay