Peptide Database

Peptide NameTryptopyrokinin tPK-4 [Q1]

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC102H147N29O37

DescriptionStandard

        QSESEEDADRQSAIWFGPRY
    

Molecular Weight2371.43 Da

Isoelectric Point (pI)4.18

Net Charge (pH 7.0)-3.23

Net Charge (pH 7.4) -3.44

Charge Density (pH 7.0) -0.1615

GRAVY Index-1.46

Hydrophobic Moment 0.34

Boman Index-0.29

Instability Index102.33

Aliphatic Index 29.50

Aromaticity 0.1500

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 1100.62

LogP -12.67

H-bond Donors 38.0

H-bond Acceptors 34.0

Rotatable Bonds 76.0

Heavy Atoms 168.0

Ring Count 5.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0179906 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