Peptide Database

Peptide NameAngiotensin I-converting enzyme inhibitory peptide KRER

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length4 amino acids

Chemical FormulaC23H45N11O7

DescriptionStandard

        KRER
    

Molecular Weight587.67 Da

Isoelectric Point (pI)10.84

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.56

Charge Density (pH 7.0) 0.4405

GRAVY Index-4.10

Hydrophobic Moment 0.41

Boman Index-1.82

Instability Index89.00

Aliphatic Index 0.00

Aromaticity 0.0000

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 337.74

LogP -3.63

H-bond Donors 13.0

H-bond Acceptors 9.0

Rotatable Bonds 22.0

Heavy Atoms 41.0

Ring Count 0.0

Amide Bonds 3.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0354552 VERIFIED: YES

Provenance & Taxonomy

OrganismPelodiscus sinensis,Trionyx sinensis [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

Activity324.1 μM

MethodIC50