Peptide Database

Peptide NamePyrokinin PK4-6

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC44H71N13O12S

DescriptionStandard

        GSMAFQPRI
    

Molecular Weight1006.18 Da

Isoelectric Point (pI)9.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0845

GRAVY Index0.02

Hydrophobic Moment 0.16

Boman Index0.10

Instability Index35.62

Aliphatic Index 54.44

Aromaticity 0.1111

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 412.55

LogP -4.00

H-bond Donors 14.0

H-bond Acceptors 14.0

Rotatable Bonds 31.0

Heavy Atoms 70.0

Ring Count 2.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0375430 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