Peptide Database

Peptide NameOrcokinin II 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC67H101N21O22

DescriptionStandard

        NFDEIDRAGFRNV
    

Molecular Weight1552.65 Da

Isoelectric Point (pI)4.56

Net Charge (pH 7.0)-1.23

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0950

GRAVY Index-0.83

Hydrophobic Moment 0.68

Boman Index-0.25

Instability Index25.67

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 734.40

LogP -7.85

H-bond Donors 25.0

H-bond Acceptors 21.0

Rotatable Bonds 51.0

Heavy Atoms 110.0

Ring Count 2.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0154280 VERIFIED: NO

Provenance & Taxonomy

OrganismStegodyphus mimosarum [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide