Peptide Database

Peptide NameBarley peptide B04

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC64H95N17O19

DescriptionStandard

        PQQPVPQQPQPY
    

Molecular Weight1406.54 Da

Isoelectric Point (pI)5.95

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0035

GRAVY Index-1.88

Hydrophobic Moment 0.25

Boman Index-0.19

Instability Index169.67

Aliphatic Index 24.17

Aromaticity 0.0833

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 569.95

LogP -5.89

H-bond Donors 15.0

H-bond Acceptors 19.0

Rotatable Bonds 37.0

Heavy Atoms 100.0

Ring Count 6.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0174978 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: B04

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay