Peptide Database

Peptide NameLeucokinin I 3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC31H39N7O8

DescriptionStandard

        GFSAWA
    

Molecular Weight637.68 Da

Isoelectric Point (pI)5.53

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0400

GRAVY Index0.72

Hydrophobic Moment 0.31

Boman Index0.59

Instability Index-16.72

Aliphatic Index 33.33

Aromaticity 0.3333

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 244.84

LogP -1.55

H-bond Donors 9.0

H-bond Acceptors 8.0

Rotatable Bonds 16.0

Heavy Atoms 46.0

Ring Count 3.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0230812 VERIFIED: NO

Provenance & Taxonomy

OrganismProcambarus clarkii [Animal] [Animal]; Hyalella azteca [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide