Peptide Database

Peptide NamePyrokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC62H98N22O19

DescriptionStandard

        HDRSSNVFQPRL
    

Molecular Weight1455.58 Da

Isoelectric Point (pI)9.61

Net Charge (pH 7.0)0.85

Net Charge (pH 7.4) 0.59

Charge Density (pH 7.0) 0.0707

GRAVY Index-1.26

Hydrophobic Moment 0.34

Boman Index-0.41

Instability Index65.32

Aliphatic Index 56.67

Aromaticity 0.0833

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 691.05

LogP -8.73

H-bond Donors 24.0

H-bond Acceptors 21.0

Rotatable Bonds 46.0

Heavy Atoms 103.0

Ring Count 3.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0383952 VERIFIED: NO

Provenance & Taxonomy

OrganismAtelura formicaria [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide