Peptide Database

Peptide NameLeucokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC34H44N8O9

DescriptionStandard

        AAFSAWG
    

Molecular Weight708.76 Da

Isoelectric Point (pI)5.57

Net Charge (pH 7.0)-0.20

Net Charge (pH 7.4) -0.39

Charge Density (pH 7.0) -0.0292

GRAVY Index0.87

Hydrophobic Moment 0.20

Boman Index0.59

Instability Index-6.24

Aliphatic Index 42.86

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 273.94

LogP -2.04

H-bond Donors 10.0

H-bond Acceptors 9.0

Rotatable Bonds 18.0

Heavy Atoms 51.0

Ring Count 3.0

Amide Bonds 6.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0372764 VERIFIED: NO

Provenance & Taxonomy

OrganismTigriopus californicus [Animal] [Animal]; Eucyclops serrulatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide