Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide SQPW

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 Length4 amino acids

Chemical FormulaC24H32N6O7

DescriptionStandard

        SQPW
    

Molecular Weight516.55 Da

Isoelectric Point (pI)5.24

Net Charge (pH 7.0)-0.54

Net Charge (pH 7.4) -0.75

Charge Density (pH 7.0) -0.1350

GRAVY Index-1.70

Hydrophobic Moment 0.40

Boman Index-0.03

Instability Index96.60

Aliphatic Index 0.00

Aromaticity 0.2500

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 220.94

LogP -1.66

H-bond Donors 7.0

H-bond Acceptors 7.0

Rotatable Bonds 12.0

Heavy Atoms 37.0

Ring Count 3.0

Amide Bonds 4.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0097057 VERIFIED: YES

Provenance & Taxonomy

OrganismSaccharomyces cerevisiae [Fungus]

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

Activity12±3 μM

MethodIC50