Peptide Database

Peptide NamePyrokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC78H128N24O28

DescriptionStandard

        GNSQQDISATTKFSPRL
    

Molecular Weight1849.99 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0447

GRAVY Index-0.90

Hydrophobic Moment 0.46

Boman Index-0.19

Instability Index59.82

Aliphatic Index 51.76

Aromaticity 0.0588

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 875.77

LogP -13.34

H-bond Donors 30.0

H-bond Acceptors 29.0

Rotatable Bonds 61.0

Heavy Atoms 130.0

Ring Count 2.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0061182 VERIFIED: NO

Provenance & Taxonomy

OrganismOccasjapyx japonicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide