Peptide Database

Peptide NamePyrokinin PK-2b extended

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length25 amino acids

Chemical FormulaC119H185N33O47S

DescriptionStandard

        ESSEEQQDEDSSLMDPRTPPFAPRL
    

Molecular Weight2862.00 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-5.15

Net Charge (pH 7.4) -5.33

Charge Density (pH 7.0) -0.2061

GRAVY Index-1.47

Hydrophobic Moment 0.39

Boman Index-0.33

Instability Index109.06

Aliphatic Index 35.20

Aromaticity 0.0400

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 1298.79

LogP -16.54

H-bond Donors 42.0

H-bond Acceptors 43.0

Rotatable Bonds 91.0

Heavy Atoms 200.0

Ring Count 5.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0138319 VERIFIED: NO

Provenance & Taxonomy

OrganismCarausius morosus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide