Peptide Database

Peptide NameLeucokinin I 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC43H54N12O11

DescriptionStandard

        APNFHSWG
    

Molecular Weight914.96 Da

Isoelectric Point (pI)6.79

Net Charge (pH 7.0)-0.12

Net Charge (pH 7.4) -0.36

Charge Density (pH 7.0) -0.0146

GRAVY Index-0.72

Hydrophobic Moment 0.33

Boman Index0.23

Instability Index1.07

Aliphatic Index 12.50

Aromaticity 0.2500

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 366.02

LogP -3.25

H-bond Donors 12.0

H-bond Acceptors 12.0

Rotatable Bonds 23.0

Heavy Atoms 66.0

Ring Count 5.0

Amide Bonds 8.0

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_0338592 VERIFIED: NO

Provenance & Taxonomy

OrganismMastotermes darwiniensis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide