Peptide Database

Peptide NameLeucokinin 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC40H54N10O9

DescriptionStandard

        GAFNPWK
    

Molecular Weight818.92 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.1084

GRAVY Index-0.81

Hydrophobic Moment 0.42

Boman Index0.13

Instability Index-11.79

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 314.03

LogP -1.56

H-bond Donors 10.0

H-bond Acceptors 10.0

Rotatable Bonds 22.0

Heavy Atoms 59.0

Ring Count 4.0

Amide Bonds 7.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0404949 VERIFIED: NO

Provenance & Taxonomy

OrganismPlatynereis dumerilii [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide