Peptide Database

Peptide NameOrcokinin OK2-3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC61H88N14O21S

DescriptionStandard

        MLDSVSGWAFGES
    

Molecular Weight1385.50 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.50

Net Charge (pH 7.4) -2.71

Charge Density (pH 7.0) -0.1920

GRAVY Index0.26

Hydrophobic Moment 0.21

Boman Index0.32

Instability Index30.99

Aliphatic Index 60.00

Aromaticity 0.1538

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 563.60

LogP -5.76

H-bond Donors 20.0

H-bond Acceptors 20.0

Rotatable Bonds 43.0

Heavy Atoms 97.0

Ring Count 3.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0319113 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide