Peptide Database

Peptide NameBarley peptide B09, B12, B30

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC112H157N29O31

DescriptionStandard

        QQPFPQQPFPQQPQPYPQQP
    

Molecular Weight2405.62 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) -0.0120

GRAVY Index-2.00

Hydrophobic Moment 0.32

Boman Index-0.20

Instability Index179.38

Aliphatic Index 0.00

Aromaticity 0.1500

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 953.94

LogP -9.52

H-bond Donors 23.0

H-bond Acceptors 31.0

Rotatable Bonds 64.0

Heavy Atoms 172.0

Ring Count 11.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0038942 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: B09,B12,B30

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay