Peptide Database

Peptide NameTryptopyrokinin tPK-8 extended

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC90H135N27O22

DescriptionStandard

        RSKEASHPPVVWFGPRP
    

Molecular Weight1947.20 Da

Isoelectric Point (pI)10.84

Net Charge (pH 7.0)1.85

Net Charge (pH 7.4) 1.59

Charge Density (pH 7.0) 0.1088

GRAVY Index-0.94

Hydrophobic Moment 0.25

Boman Index-0.14

Instability Index63.12

Aliphatic Index 40.00

Aromaticity 0.1176

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 765.81

LogP -6.42

H-bond Donors 26.0

H-bond Acceptors 25.0

Rotatable Bonds 54.0

Heavy Atoms 139.0

Ring Count 8.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0170919 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