Peptide Database

Peptide NameCasein alpha-s1 [040-042]

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length3 amino acids

Chemical FormulaC15H30N4O5

DescriptionStandard

LSK

Molecular Weight346.42 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.2530

GRAVY Index-0.30

Hydrophobic Moment 0.84

Boman Index-0.21

Instability Index6.67

Aliphatic Index 130.00

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 167.77

LogP -1.46

H-bond Donors 6.0

H-bond Acceptors 6.0

Rotatable Bonds 12.0

Heavy Atoms 24.0

Ring Count 0.0

Amide Bonds 2.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0377935 VERIFIED: YES

Provenance & Taxonomy

OrganismBos raurus [Animal]

FamilyCasein-derived peptide

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetAngiotensin-I converting enzyme

Activity34.67 μM

MethodIC50