Peptide Database

Peptide NameOrcokinin I Ia/Ib 3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC70H98N18O23S

DescriptionStandard

        NFDEMDRAGFGSFV
    

Molecular Weight1591.70 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.23

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1596

GRAVY Index-0.27

Hydrophobic Moment 0.40

Boman Index0.06

Instability Index1.98

Aliphatic Index 27.86

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 678.74

LogP -6.93

H-bond Donors 23.0

H-bond Acceptors 22.0

Rotatable Bonds 51.0

Heavy Atoms 112.0

Ring Count 3.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0096658 VERIFIED: NO

Provenance & Taxonomy

OrganismTigriopus californicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide