Peptide Database

Peptide NameP2 y-gliadin (p139p152; K143, E140, E148 and E150)

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC74H113N21O25

DescriptionStandard

        PEQPKQSFPEQERP
    

Molecular Weight1696.81 Da

Isoelectric Point (pI)4.79

Net Charge (pH 7.0)-1.03

Net Charge (pH 7.4) -1.10

Charge Density (pH 7.0) -0.0739

GRAVY Index-2.41

Hydrophobic Moment 0.37

Boman Index-0.52

Instability Index164.93

Aliphatic Index 0.00

Aromaticity 0.0714

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 750.58

LogP -8.34

H-bond Donors 23.0

H-bond Acceptors 24.0

Rotatable Bonds 53.0

Heavy Atoms 120.0

Ring Count 5.0

Amide Bonds 16.0

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_0353915 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic [Synthetic]

FamilyGliadin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation; Reported substitutions/positions: P2; Reported substitutions/positions: K143,E140,E148; Reported substitutions/positions: E150

Bio-Activity Profile

Function

Celiac-immunogenic