Peptide Database

Peptide NamePyrokinin-tryptopyrokinin PK-tPK

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC105H154N28O29S

DescriptionStandard

        FELSSHGQKEASPMWFGPRI
    

Molecular Weight2304.58 Da

Isoelectric Point (pI)6.76

Net Charge (pH 7.0)-0.15

Net Charge (pH 7.4) -0.41

Charge Density (pH 7.0) -0.0074

GRAVY Index-0.59

Hydrophobic Moment 0.35

Boman Index0.04

Instability Index28.38

Aliphatic Index 44.00

Aromaticity 0.1500

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 909.41

LogP -7.71

H-bond Donors 31.0

H-bond Acceptors 31.0

Rotatable Bonds 72.0

Heavy Atoms 163.0

Ring Count 7.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0215421 VERIFIED: NO

Provenance & Taxonomy

OrganismAnthonomus grandis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide