Peptide Database

Peptide NameLeucokinin

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC82H129N25O19S

DescriptionStandard

        NLVIMGKKQRFHSWG
    

Molecular Weight1801.12 Da

Isoelectric Point (pI)11.17

Net Charge (pH 7.0)2.85

Net Charge (pH 7.4) 2.59

Charge Density (pH 7.0) 0.1897

GRAVY Index-0.52

Hydrophobic Moment 0.21

Boman Index-0.04

Instability Index12.52

Aliphatic Index 71.33

Aromaticity 0.1333

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 735.54

LogP -5.46

H-bond Donors 26.0

H-bond Acceptors 24.0

Rotatable Bonds 61.0

Heavy Atoms 127.0

Ring Count 4.0

Amide Bonds 16.0

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_0008561 VERIFIED: NO

Provenance & Taxonomy

OrganismGlossina morsitans [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide