Peptide Database

Peptide NameOrcokinin II 3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC64H94N18O23

DescriptionStandard

        NFDEIDNSGFRGI
    

Molecular Weight1483.54 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.23

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1719

GRAVY Index-0.69

Hydrophobic Moment 0.58

Boman Index-0.05

Instability Index8.92

Aliphatic Index 60.00

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 692.73

LogP -8.12

H-bond Donors 23.0

H-bond Acceptors 21.0

Rotatable Bonds 49.0

Heavy Atoms 105.0

Ring Count 2.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0067282 VERIFIED: NO

Provenance & Taxonomy

OrganismLatrodectus hesperus [Animal] [Animal]; Latrodectus tredecimguttatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide