Peptide Database

Peptide Namealpha9-Secalin in Deamidated form

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC78H109N19O22

DescriptionStandard

        PQQPFPQPEQPFPQ
    

Molecular Weight1664.81 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) -0.0742

GRAVY Index-1.79

Hydrophobic Moment 0.39

Boman Index-0.14

Instability Index186.79

Aliphatic Index 0.00

Aromaticity 0.1429

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 636.43

LogP -5.67

H-bond Donors 16.0

H-bond Acceptors 21.0

Rotatable Bonds 44.0

Heavy Atoms 119.0

Ring Count 8.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0203314 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