Peptide Database

Peptide NameOrcokinin OK1-2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC71H107N21O25

DescriptionStandard

        NFDEIDRAGFRSLD
    

Molecular Weight1654.73 Da

Isoelectric Point (pI)4.42

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 0.69

Boman Index-0.25

Instability Index47.12

Aliphatic Index 62.86

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 -8.39

H-bond Donors 27.0

H-bond Acceptors 23.0

Rotatable Bonds 55.0

Heavy Atoms 117.0

Ring Count 2.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0077090 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide