Peptide Database

Peptide NameAlpha-amylase inhibitor; fragment; rye (Secale cereale)

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC143H224N38O43S4

DescriptionStandard

        TGPYCYAGMGLPTKPLGGCREYVAQQTCGVGL
    

Molecular Weight3291.80 Da

Isoelectric Point (pI)7.62

Net Charge (pH 7.0)0.37

Net Charge (pH 7.4) 0.13

Charge Density (pH 7.0) 0.0115

GRAVY Index0.01

Hydrophobic Moment 0.33

Boman Index0.19

Instability Index25.32

Aliphatic Index 60.94

Aromaticity 0.0938

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4595.00

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

Amino Acid Composition

TPSA 1271.83

LogP -13.83

H-bond Donors 46.0

H-bond Acceptors 48.0

Rotatable Bonds 100.0

Heavy Atoms 228.0

Ring Count 6.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0351111 VERIFIED: YES

Provenance & Taxonomy

OrganismSecale cereale [Plant]

FamilyProtease/Amylase inhibitor

Tax ID4550;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme Inhibitor