Peptide Database

Peptide NameLeucokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC71H104N16O17S

DescriptionStandard

        KYAKMSIPFSAWG
    

Molecular Weight1485.75 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.1352

GRAVY Index-0.06

Hydrophobic Moment 0.23

Boman Index0.21

Instability Index90.95

Aliphatic Index 45.38

Aromaticity 0.2308

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 532.25

LogP -2.65

H-bond Donors 19.0

H-bond Acceptors 20.0

Rotatable Bonds 45.0

Heavy Atoms 105.0

Ring Count 5.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0212373 VERIFIED: NO

Provenance & Taxonomy

OrganismLepeophtheirus salmonis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide