Peptide Database

Peptide NameOrcokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC73H107N19O22S

DescriptionStandard

        PMDEIDRAGFTHFV
    

Molecular Weight1634.81 Da

Isoelectric Point (pI)4.54

Net Charge (pH 7.0)-1.95

Net Charge (pH 7.4) -2.06

Charge Density (pH 7.0) -0.1392

GRAVY Index-0.21

Hydrophobic Moment 0.48

Boman Index0.08

Instability Index4.86

Aliphatic Index 55.71

Aromaticity 0.1429

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 650.34

LogP -4.86

H-bond Donors 23.0

H-bond Acceptors 22.0

Rotatable Bonds 51.0

Heavy Atoms 115.0

Ring Count 4.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0063981 VERIFIED: NO

Provenance & Taxonomy

OrganismLygus hesperus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide