Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide 1

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC48H70N14O17

DescriptionStandard

        IETWNPNNQ
    

Molecular Weight1115.15 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.1375

GRAVY Index-1.80

Hydrophobic Moment 0.21

Boman Index-0.19

Instability Index43.14

Aliphatic Index 43.33

Aromaticity 0.1111

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 533.01

LogP -6.31

H-bond Donors 16.0

H-bond Acceptors 16.0

Rotatable Bonds 33.0

Heavy Atoms 79.0

Ring Count 3.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0326351 VERIFIED: YES

Provenance & Taxonomy

OrganismArachis hypogaea [Plant]

FamilyAngiotensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetAngiotensin-I converting enzyme

Activity72±5 μM

MethodIC50