Peptide Database

Peptide NameLeucokinin I 9

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC41H57N11O10

DescriptionStandard

        TRFSPWA
    

Molecular Weight863.96 Da

Isoelectric Point (pI)9.41

Net Charge (pH 7.0)0.40

Net Charge (pH 7.4) 0.21

Charge Density (pH 7.0) 0.0569

GRAVY Index-0.56

Hydrophobic Moment 0.45

Boman Index-0.00

Instability Index45.76

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 347.28

LogP -2.56

H-bond Donors 13.0

H-bond Acceptors 11.0

Rotatable Bonds 22.0

Heavy Atoms 62.0

Ring Count 4.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0205405 VERIFIED: NO

Provenance & Taxonomy

OrganismHomarus americanus [Animal] [Animal]; Nephrops norvegicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide