Peptide Database

Peptide NameBarley peptide B30

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC63H88N16O17

DescriptionStandard

        QQPFPQQPFPQ
    

Molecular Weight1341.47 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) -0.0218

GRAVY Index-1.66

Hydrophobic Moment 0.10

Boman Index-0.13

Instability Index184.18

Aliphatic Index 0.00

Aromaticity 0.1818

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 534.61

LogP -4.92

H-bond Donors 13.0

H-bond Acceptors 17.0

Rotatable Bonds 36.0

Heavy Atoms 96.0

Ring Count 6.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0230196 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: B30

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay