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 Length9 amino acids

Chemical FormulaC39H58N12O14

DescriptionStandard

        FAGDDAPRA
    

Molecular Weight918.95 Da

Isoelectric Point (pI)4.21

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.1375

GRAVY Index-0.59

Hydrophobic Moment 0.46

Boman Index-0.08

Instability Index21.91

Aliphatic Index 33.33

Aromaticity 0.1111

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 423.83

LogP -5.07

H-bond Donors 14.0

H-bond Acceptors 13.0

Rotatable Bonds 26.0

Heavy Atoms 65.0

Ring Count 2.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0296890 VERIFIED: YES

Provenance & Taxonomy

OrganismRuditapes philippinarum [Animal]; Cyprinus carpio [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

Activity60.46±1.56 μM

MethodIC50

RECORD: Rec_0323699 VERIFIED: YES