Peptide Database

Peptide NamePyrokinin PK4-1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC52H78N12O11S

DescriptionStandard

        GFMYPIPRV
    

Molecular Weight1079.31 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0843

GRAVY Index0.44

Hydrophobic Moment 0.54

Boman Index0.30

Instability Index37.33

Aliphatic Index 75.56

Aromaticity 0.2222

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 360.67

LogP -0.17

H-bond Donors 12.0

H-bond Acceptors 13.0

Rotatable Bonds 29.0

Heavy Atoms 76.0

Ring Count 4.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0282641 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide