Peptide Database

Peptide NameBarley peptide B16

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC60H90N16O17

DescriptionStandard

        QQPFPQQPIPQ
    

Molecular Weight1307.45 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-1.51

Hydrophobic Moment 0.10

Boman Index-0.11

Instability Index146.55

Aliphatic Index 35.45

Aromaticity 0.0909

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 -5.11

H-bond Donors 13.0

H-bond Acceptors 17.0

Rotatable Bonds 36.0

Heavy Atoms 93.0

Ring Count 5.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0405635 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: B16

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay