Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide 21

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length5 amino acids

Chemical FormulaC28H42N6O7

DescriptionStandard

        VSAIW
    

Molecular Weight574.67 Da

Isoelectric Point (pI)5.50

Net Charge (pH 7.0)-0.27

Net Charge (pH 7.4) -0.48

Charge Density (pH 7.0) -0.0532

GRAVY Index1.76

Hydrophobic Moment 0.42

Boman Index0.74

Instability Index8.00

Aliphatic Index 156.00

Aromaticity 0.2000

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 215.74

LogP -0.22

H-bond Donors 8.0

H-bond Acceptors 7.0

Rotatable Bonds 15.0

Heavy Atoms 41.0

Ring Count 2.0

Amide Bonds 4.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0140621 VERIFIED: YES

Provenance & Taxonomy

OrganismIpomoea batatas [Plant]

FamilyAngiotensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetAngiotensin-converting enzyme

Activity60.33 ± 4.52 μM

MethodIC50