Peptide Database

Peptide NameBarley peptide B05, B08 in Deamidated form

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC109H157N27O31

DescriptionStandard

        PQPFPQQPIPEQPQPYPQQP
    

Molecular Weight2341.58 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.04

Net Charge (pH 7.4) -1.10

Charge Density (pH 7.0) -0.0520

GRAVY Index-1.82

Hydrophobic Moment 0.32

Boman Index-0.14

Instability Index157.74

Aliphatic Index 19.50

Aromaticity 0.1000

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 891.07

LogP -7.96

H-bond Donors 22.0

H-bond Acceptors 30.0

Rotatable Bonds 61.0

Heavy Atoms 167.0

Ring Count 11.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0238909 VERIFIED: YES

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

FamilyHordein

Tax ID4513

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitutions/positions: B05,B08

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay