Peptide Database

Peptide NamePyrokinin PK a 3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC96H154N32O32

DescriptionStandard

        NRQPKGQEDTNVGGAPFSPRL
    

Molecular Weight2268.45 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0363

GRAVY Index-1.37

Hydrophobic Moment 0.23

Boman Index-0.28

Instability Index61.32

Aliphatic Index 37.14

Aromaticity 0.0476

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 1056.19

LogP -14.88

H-bond Donors 34.0

H-bond Acceptors 33.0

Rotatable Bonds 72.0

Heavy Atoms 160.0

Ring Count 4.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0264646 VERIFIED: NO

Provenance & Taxonomy

OrganismAnurida maritima [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide