Peptide Database

Peptide NameOrcokinin I 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC74H103N19O27

DescriptionStandard

        NFDEIDRAGFETYN
    

Molecular Weight1690.72 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-3.23

Net Charge (pH 7.4) -3.44

Charge Density (pH 7.0) -0.2309

GRAVY Index-1.14

Hydrophobic Moment 0.56

Boman Index-0.16

Instability Index15.74

Aliphatic Index 35.00

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 779.36

LogP -8.09

H-bond Donors 26.0

H-bond Acceptors 24.0

Rotatable Bonds 54.0

Heavy Atoms 120.0

Ring Count 3.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0019844 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