Peptide Database

Peptide NameLeucokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC67H96N14O17

DescriptionStandard

        YTKLTVPFSAWG
    

Molecular Weight1369.56 Da

Isoelectric Point (pI)8.59

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0632

GRAVY Index0.19

Hydrophobic Moment 0.21

Boman Index0.32

Instability Index18.48

Aliphatic Index 65.00

Aromaticity 0.2500

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 497.36

LogP -2.61

H-bond Donors 18.0

H-bond Acceptors 18.0

Rotatable Bonds 38.0

Heavy Atoms 98.0

Ring Count 5.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0194693 VERIFIED: NO

Provenance & Taxonomy

OrganismCaligus rogercresseyi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide