Peptide Database

Peptide NameEnzyme inhibitor 9

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ DPP-IV inhibition ▸ DPP-IV inhibitory

Membrane / Ion-channel modulation ▸ Calcium channel modulation ▸ Calcium channel inhibitor

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length3 amino acids

Chemical FormulaC20H29N3O5

DescriptionStandard

LPY

Molecular Weight391.46 Da

Isoelectric Point (pI)5.52

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.45

Charge Density (pH 7.0) -0.0803

GRAVY Index0.30

Hydrophobic Moment 0.27

Boman Index0.48

Instability Index70.87

Aliphatic Index 130.00

Aromaticity 0.3333

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 132.96

LogP 0.87

H-bond Donors 4.0

H-bond Acceptors 5.0

Rotatable Bonds 8.0

Heavy Atoms 28.0

Ring Count 2.0

Amide Bonds 2.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0035575 VERIFIED: YES

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory Antioxidant DPP-IV inhibitory

TargetDipeptidyl peptidase IV

Activity87.15±4.54 μM

MethodIC50