Peptide Database

Peptide NameAllatostatin A 4 [1-3]

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 FormulaC18H28N4O5

DescriptionStandard

AKY

Molecular Weight380.44 Da

Isoelectric Point (pI)8.63

Net Charge (pH 7.0)0.79

Net Charge (pH 7.4) 0.60

Charge Density (pH 7.0) 0.2646

GRAVY Index-1.13

Hydrophobic Moment 0.56

Boman Index-0.21

Instability Index6.67

Aliphatic Index 33.33

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 167.77

LogP -0.53

H-bond Donors 6.0

H-bond Acceptors 6.0

Rotatable Bonds 11.0

Heavy Atoms 27.0

Ring Count 1.0

Amide Bonds 2.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0124221 VERIFIED: YES

Provenance & Taxonomy

OrganismHomarus americanus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetAngiotensin-converting enzyme

Activity19.5 μM

MethodIC50