Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide 4

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Immunology ▸ Adverse immune reactivity ▸ Allergenicity ▸ Allergen

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC38H59N11O11

DescriptionStandard

        PEGQRLF
    

Molecular Weight845.94 Da

Isoelectric Point (pI)6.43

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0055

GRAVY Index-0.99

Hydrophobic Moment 0.64

Boman Index-0.18

Instability Index33.40

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 366.22

LogP -2.95

H-bond Donors 13.0

H-bond Acceptors 11.0

Rotatable Bonds 27.0

Heavy Atoms 60.0

Ring Count 2.0

Amide Bonds 7.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0065096 VERIFIED: YES

Provenance & Taxonomy

OrganismHypophthalmichthys nobilis [Animal]

FamilyAngiotensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory Allergen ACE inhibitory

TargetAngiotensin-I converting enzyme

Activity36690.1±79.8 μM

MethodIC50