Peptide Database

Peptide NameLeucokinin I 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC180H258N48O59

DescriptionStandard

        ATFNPWGGKQSDPIHTASLTSDAFNDSPSKGNTFTPWG
    

Molecular Weight4038.26 Da

Isoelectric Point (pI)5.30

Net Charge (pH 7.0)-1.12

Net Charge (pH 7.4) -1.36

Charge Density (pH 7.0) -0.0294

GRAVY Index-0.81

Hydrophobic Moment 0.38

Boman Index0.04

Instability Index43.56

Aliphatic Index 28.42

Aromaticity 0.1316

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11000.00

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

Amino Acid Composition

TPSA 1703.72

LogP -23.38

H-bond Donors 57.0

H-bond Acceptors 59.0

Rotatable Bonds 120.0

Heavy Atoms 287.0

Ring Count 12.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0034746 VERIFIED: NO

Provenance & Taxonomy

OrganismProcambarus clarkii [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide