Peptide Database

Peptide NameBarley peptide B05, B08 in native form

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC109H158N28O30

DescriptionStandard

        PQPFPQQPIPQQPQPYPQQP
    

Molecular Weight2340.59 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) -0.0021

GRAVY Index-1.82

Hydrophobic Moment 0.33

Boman Index-0.14

Instability Index158.68

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 896.86

LogP -8.56

H-bond Donors 22.0

H-bond Acceptors 30.0

Rotatable Bonds 61.0

Heavy Atoms 167.0

Ring Count 11.0

Amide Bonds 27.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0404728 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: B05,B08

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay