Peptide Database

Peptide NameBarley peptide B08

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC85H128N24O26

DescriptionStandard

        QPQQPIPQQPQPYPQQ
    

Molecular Weight1902.07 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) -0.0151

GRAVY Index-2.15

Hydrophobic Moment 0.33

Boman Index-0.28

Instability Index147.70

Aliphatic Index 24.38

Aromaticity 0.0625

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 812.03

LogP -9.17

H-bond Donors 20.0

H-bond Acceptors 26.0

Rotatable Bonds 53.0

Heavy Atoms 135.0

Ring Count 7.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0125791 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: B08

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay

RECORD: Rec_0417143 VERIFIED: YES