Peptide Database

Peptide NameOrcokinin

Function Ontology

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 FormulaC55H79N15O20

DescriptionStandard

        NFDEIDRSGFA
    

Molecular Weight1270.30 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-0.71

Hydrophobic Moment 0.43

Boman Index-0.11

Instability Index57.25

Aliphatic Index 44.55

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 591.44

LogP -6.63

H-bond Donors 20.0

H-bond Acceptors 18.0

Rotatable Bonds 41.0

Heavy Atoms 90.0

Ring Count 2.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0391172 VERIFIED: NO

Provenance & Taxonomy

OrganismCancer borealis [Animal]; Cancer productus [Animal]; Carcinus maenas [Animal]; Litopenaeus vannamei [Animal]; Callinectes sapidus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide

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