Peptide Database

Peptide NamePyrokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC48H80N14O16

DescriptionStandard

        SSSTKFSPRL
    

Molecular Weight1109.23 Da

Isoelectric Point (pI)11.00

Net Charge (pH 7.0)1.46

Net Charge (pH 7.4) 1.25

Charge Density (pH 7.0) 0.1459

GRAVY Index-0.73

Hydrophobic Moment 0.43

Boman Index-0.24

Instability Index83.92

Aliphatic Index 39.00

Aromaticity 0.1000

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 505.50

LogP -7.70

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 35.0

Heavy Atoms 78.0

Ring Count 2.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0324703 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