Peptide Database

Peptide NameHordein/Secalin

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC53H71N11O14

DescriptionStandard

        PFPQPEQPF
    

Molecular Weight1086.20 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) -0.1154

GRAVY Index-1.26

Hydrophobic Moment 0.38

Boman Index0.05

Instability Index178.00

Aliphatic Index 0.00

Aromaticity 0.2222

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 379.24

LogP -1.90

H-bond Donors 10.0

H-bond Acceptors 13.0

Rotatable Bonds 27.0

Heavy Atoms 78.0

Ring Count 6.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0019684 VERIFIED: YES

Provenance & Taxonomy

OrganismSecale cereale [Plant]

FamilySecalin

Tax ID4550

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsDeamidation

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay

RECORD: Rec_0383642 VERIFIED: YES