Peptide Database

Peptide Namealpha-Amylase inhibitor AI-3688

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC169H254N46O59S2

DescriptionStandard

        ATGSPAPDCVESFQSWRYTDVRNGCSDAVTVVVQYE
    

Molecular Weight3938.23 Da

Isoelectric Point (pI)4.30

Net Charge (pH 7.0)-3.21

Net Charge (pH 7.4) -3.44

Charge Density (pH 7.0) -0.0892

GRAVY Index-0.32

Hydrophobic Moment 0.43

Boman Index0.00

Instability Index31.89

Aliphatic Index 56.67

Aromaticity 0.1111

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8605.00

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

Amino Acid Composition

TPSA 1701.67

LogP -21.44

H-bond Donors 61.0

H-bond Acceptors 58.0

Rotatable Bonds 120.0

Heavy Atoms 276.0

Ring Count 7.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0315629 VERIFIED: NO

Provenance & Taxonomy

OrganismStreptomyces aureofaciens [Bacterium]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide9-25

Bio-Activity Profile

Function

Enzyme inhibitory