Peptide Database

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

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC122H171N33O28S4

DescriptionStandard

        SPGEWCWPGMGHPMYPFPRCRAL
    

Molecular Weight2676.13 Da

Isoelectric Point (pI)7.82

Net Charge (pH 7.0)0.53

Net Charge (pH 7.4) 0.24

Charge Density (pH 7.0) 0.0230

GRAVY Index-0.50

Hydrophobic Moment 0.45

Boman Index0.10

Instability Index53.75

Aliphatic Index 21.30

Aromaticity 0.1739

Extinction Coeff. Reduced 12490.00

Extinction Coeff. Oxidized 12615.00

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

Amino Acid Composition

TPSA 921.39

LogP -5.09

H-bond Donors 33.0

H-bond Acceptors 34.0

Rotatable Bonds 72.0

Heavy Atoms 187.0

Ring Count 12.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0128487 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