Peptide Database

Peptide NameOrcokinin II 5

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC67H97N19O21

DescriptionStandard

        NFDEIDRAGFHAL
    

Molecular Weight1504.60 Da

Isoelectric Point (pI)4.54

Net Charge (pH 7.0)-2.15

Net Charge (pH 7.4) -2.40

Charge Density (pH 7.0) -0.1652

GRAVY Index-0.35

Hydrophobic Moment 0.58

Boman Index0.02

Instability Index16.18

Aliphatic Index 75.38

Aromaticity 0.1538

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 658.09

LogP -5.62

H-bond Donors 22.0

H-bond Acceptors 20.0

Rotatable Bonds 48.0

Heavy Atoms 107.0

Ring Count 3.0

Amide Bonds 13.0

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_0166383 VERIFIED: NO

Provenance & Taxonomy

OrganismLatrodectus hesperus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide