Peptide Database

Peptide NameAlpha-amylase inhibitor; fragment; oat (Avena sativa)

Function Ontology

Immunology ▸ Adverse immune reactivity ▸ Allergenicity ▸ Allergen

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length27 amino acids

Chemical FormulaC119H191N33O38S2

DescriptionStandard

        LNCGQVDTLVKPCLPFARGGPGPSAEE
    

Molecular Weight2756.12 Da

Isoelectric Point (pI)4.94

Net Charge (pH 7.0)-1.25

Net Charge (pH 7.4) -1.49

Charge Density (pH 7.0) -0.0462

GRAVY Index-0.16

Hydrophobic Moment 0.55

Boman Index0.09

Instability Index30.02

Aliphatic Index 72.22

Aromaticity 0.0370

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 125.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1111.22

LogP -12.74

H-bond Donors 37.0

H-bond Acceptors 39.0

Rotatable Bonds 84.0

Heavy Atoms 192.0

Ring Count 5.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0381966 VERIFIED: YES

Provenance & Taxonomy

OrganismAvena sativa [Plant]

FamilyProtease/Amylase inhibitor

Tax ID4498;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Allergen Enzyme Inhibitor