Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide 4

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC40H64N12O12

DescriptionStandard

        LNLQDFR
    

Molecular Weight905.01 Da

Isoelectric Point (pI)5.84

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0341

GRAVY Index-0.66

Hydrophobic Moment 0.29

Boman Index-0.25

Instability Index71.89

Aliphatic Index 111.43

Aromaticity 0.1429

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 423.30

LogP -3.48

H-bond Donors 14.0

H-bond Acceptors 12.0

Rotatable Bonds 30.0

Heavy Atoms 64.0

Ring Count 1.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0037820 VERIFIED: YES

Provenance & Taxonomy

OrganismOreochromis niloticus,Tilapia nilotica [Animal]

FamilyAngiotensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetAngiotensin-I converting enzyme

Activity0.85 μM

MethodIC50