Peptide Database

Peptide NameOrcokinin OK1-3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC65H96N18O24S

DescriptionStandard

        NFDEIDTSGFNRM
    

Molecular Weight1545.63 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-0.92

Hydrophobic Moment 0.34

Boman Index-0.15

Instability Index10.42

Aliphatic Index 30.00

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 712.96

LogP -8.67

H-bond Donors 24.0

H-bond Acceptors 23.0

Rotatable Bonds 51.0

Heavy Atoms 108.0

Ring Count 2.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0424048 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide