Peptide Database

Peptide NamePyrokinin PK2-4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC143H217N37O32

DescriptionStandard

        GFFVPQAVKYNPQFKVSGRAVFIPRI
    

Molecular Weight2966.48 Da

Isoelectric Point (pI)11.10

Net Charge (pH 7.0)3.76

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.1445

GRAVY Index0.22

Hydrophobic Moment 0.43

Boman Index0.15

Instability Index13.67

Aliphatic Index 82.31

Aromaticity 0.1923

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 1110.02

LogP -6.84

H-bond Donors 37.0

H-bond Acceptors 36.0

Rotatable Bonds 91.0

Heavy Atoms 212.0

Ring Count 8.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0360069 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