Peptide Database

Peptide NameOrcokinin

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Invertebrate neuropeptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC55H79N15O21

DescriptionStandard

        NFDEIDRSSFG
    

Molecular Weight1286.30 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) -0.2032

GRAVY Index-0.95

Hydrophobic Moment 0.38

Boman Index-0.18

Instability Index74.75

Aliphatic Index 35.45

Aromaticity 0.1818

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 611.67

LogP -7.65

H-bond Donors 21.0

H-bond Acceptors 19.0

Rotatable Bonds 42.0

Heavy Atoms 91.0

Ring Count 2.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0393602 VERIFIED: YES

Provenance & Taxonomy

OrganismOcypode ceratophthalmus [Animal]

FamilyOrcokinin

Tax ID373423

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Myotropic

Half-LifeMammalian: 1.4 hour; Yeast: 3 min; E. coli: >10 hour

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