Peptide Database

Peptide NameOrcokinin II 8

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC76H117N21O25

DescriptionStandard

        DFDEIDRVGFRKID
    

Molecular Weight1724.87 Da

Isoelectric Point (pI)4.52

Net Charge (pH 7.0)-2.23

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1593

GRAVY Index-0.86

Hydrophobic Moment 0.68

Boman Index-0.30

Instability Index8.96

Aliphatic Index 76.43

Aromaticity 0.1429

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 777.94

LogP -6.02

H-bond Donors 27.0

H-bond Acceptors 23.0

Rotatable Bonds 59.0

Heavy Atoms 122.0

Ring Count 2.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0229156 VERIFIED: NO

Provenance & Taxonomy

OrganismLatrodectus hesperus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide