Peptide Database

Peptide Namealpha9-Secalin in native form

Function Ontology

Immunology ▸ Immunomodulation ▸ Celiac-immunogenic

Venom / Toxin ▸ General toxin ▸ Celiac toxic

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC78H110N20O21

DescriptionStandard

        PQQPFPQPQQPFPQ
    

Molecular Weight1663.83 Da

Isoelectric Point (pI)5.96

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0030

GRAVY Index-1.79

Hydrophobic Moment 0.38

Boman Index-0.14

Instability Index188.13

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 642.22

LogP -6.27

H-bond Donors 16.0

H-bond Acceptors 21.0

Rotatable Bonds 44.0

Heavy Atoms 119.0

Ring Count 8.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0067586 VERIFIED: YES

Provenance & Taxonomy

OrganismSecale cereale [Plant]

FamilySecalin

Tax ID4550

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Celiac-immunogenic

TargetHuman intestinal T cells / HLA-DQ2

MethodIntestinal T-cell assay

RECORD: Rec_0324640 VERIFIED: YES