Peptide Database

Peptide NameOrcokinin OK1-5

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC81H117N21O23

DescriptionStandard

        NFDEIDRVGFKYIH
    

Molecular Weight1752.92 Da

Isoelectric Point (pI)5.38

Net Charge (pH 7.0)-1.15

Net Charge (pH 7.4) -1.41

Charge Density (pH 7.0) -0.0821

GRAVY Index-0.61

Hydrophobic Moment 0.64

Boman Index-0.06

Instability Index7.75

Aliphatic Index 76.43

Aromaticity 0.2143

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 733.44

LogP -4.44

H-bond Donors 25.0

H-bond Acceptors 23.0

Rotatable Bonds 57.0

Heavy Atoms 125.0

Ring Count 4.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0321910 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide