Peptide Database

Peptide Namealpha-Amylase inhibitor 4

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC38H48N8O13

DescriptionStandard

        QFDDGPF
    

Molecular Weight824.83 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.24

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.3197

GRAVY Index-0.99

Hydrophobic Moment 0.27

Boman Index0.05

Instability Index42.94

Aliphatic Index 0.00

Aromaticity 0.2857

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 346.82

LogP -2.85

H-bond Donors 10.0

H-bond Acceptors 11.0

Rotatable Bonds 23.0

Heavy Atoms 59.0

Ring Count 3.0

Amide Bonds 7.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0263421 VERIFIED: NO

Provenance & Taxonomy

OrganismNephelium lappaceum [Plant]; Nephelium mutabile [Plant]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory