Peptide Database

Peptide NamePyrokinin PK a 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC92H130N24O33

DescriptionStandard

        AYSGDGESHFSSEPYTPRL
    

Molecular Weight2100.16 Da

Isoelectric Point (pI)4.65

Net Charge (pH 7.0)-2.11

Net Charge (pH 7.4) -2.36

Charge Density (pH 7.0) -0.1112

GRAVY Index-1.07

Hydrophobic Moment 0.19

Boman Index-0.08

Instability Index32.16

Aliphatic Index 25.79

Aromaticity 0.1579

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 913.63

LogP -11.61

H-bond Donors 32.0

H-bond Acceptors 32.0

Rotatable Bonds 62.0

Heavy Atoms 149.0

Ring Count 6.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0056620 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