Peptide Database

Peptide NameOrcokinin A 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC76H109N21O24

DescriptionStandard

        NFDEIDRAGFDRFV
    

Molecular Weight1700.80 Da

Isoelectric Point (pI)4.23

Net Charge (pH 7.0)-2.23

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1595

GRAVY Index-0.57

Hydrophobic Moment 0.55

Boman Index-0.15

Instability Index19.16

Aliphatic Index 55.71

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 757.71

LogP -6.53

H-bond Donors 26.0

H-bond Acceptors 22.0

Rotatable Bonds 55.0

Heavy Atoms 121.0

Ring Count 3.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0148217 VERIFIED: NO

Provenance & Taxonomy

OrganismMachilis hrabei [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide