Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide 4

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Membrane / Ion-channel modulation ▸ Calcium channel modulation ▸ Calcium channel inhibitor

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC35H53N9O11

DescriptionStandard

        PGQLQSF
    

Molecular Weight775.85 Da

Isoelectric Point (pI)5.96

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0059

GRAVY Index-0.46

Hydrophobic Moment 0.27

Boman Index0.14

Instability Index117.91

Aliphatic Index 55.71

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 330.34

LogP -3.82

H-bond Donors 11.0

H-bond Acceptors 11.0

Rotatable Bonds 24.0

Heavy Atoms 55.0

Ring Count 2.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0173111 VERIFIED: YES

Provenance & Taxonomy

OrganismLens culinaris [Plant]

FamilyAngiotensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory Antioxidant ACE inhibitory

TargetAngiotensin-I converting enzyme

Activity51.75±1.03 μM

MethodIC50