Peptide Database

Peptide NameLeucokinin I 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC36H46N8O12

DescriptionStandard

        ESFSAWG
    

Molecular Weight782.80 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.16

Net Charge (pH 7.4) -1.33

Charge Density (pH 7.0) -0.1662

GRAVY Index-0.26

Hydrophobic Moment 0.33

Boman Index0.29

Instability Index21.27

Aliphatic Index 14.29

Aromaticity 0.2857

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 331.47

LogP -3.23

H-bond Donors 12.0

H-bond Acceptors 11.0

Rotatable Bonds 22.0

Heavy Atoms 56.0

Ring Count 3.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0108504 VERIFIED: NO

Provenance & Taxonomy

OrganismHomarus americanus [Animal] [Animal]; Nephrops norvegicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide