Peptide Database

Peptide NameOrcokinin I 3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC75H104N18O27

DescriptionStandard

        NFDEIDRAGFETFE
    

Molecular Weight1689.73 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-4.22

Net Charge (pH 7.4) -4.44

Charge Density (pH 7.0) -0.3017

GRAVY Index-0.85

Hydrophobic Moment 0.56

Boman Index-0.10

Instability Index24.55

Aliphatic Index 35.00

Aromaticity 0.2143

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 753.34

LogP -6.81

H-bond Donors 25.0

H-bond Acceptors 23.0

Rotatable Bonds 55.0

Heavy Atoms 120.0

Ring Count 3.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0217077 VERIFIED: NO

Provenance & Taxonomy

OrganismLatrodectus hesperus [Animal] [Animal]; Pardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide