Peptide Database

Peptide NamePyrokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC52H81N13O11

DescriptionStandard

        VPWIPSPRL
    

Molecular Weight1064.28 Da

Isoelectric Point (pI)9.72

Net Charge (pH 7.0)0.73

Net Charge (pH 7.4) 0.52

Charge Density (pH 7.0) 0.0816

GRAVY Index0.17

Hydrophobic Moment 0.12

Boman Index0.22

Instability Index85.73

Aliphatic Index 118.89

Aromaticity 0.1111

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 367.67

LogP -0.48

H-bond Donors 12.0

H-bond Acceptors 12.0

Rotatable Bonds 26.0

Heavy Atoms 76.0

Ring Count 5.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0220028 VERIFIED: NO

Provenance & Taxonomy

OrganismCamponotus floridanus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide