Peptide Database

Peptide NamePyrokinin PK-4+5

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC105H160N30O30S

DescriptionStandard

        MEEFIPRPGRHTEEYIPRP
    

Molecular Weight2354.64 Da

Isoelectric Point (pI)5.55

Net Charge (pH 7.0)-1.40

Net Charge (pH 7.4) -1.68

Charge Density (pH 7.0) -0.0738

GRAVY Index-1.36

Hydrophobic Moment 0.67

Boman Index-0.27

Instability Index69.40

Aliphatic Index 41.05

Aromaticity 0.1053

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 956.00

LogP -6.59

H-bond Donors 32.0

H-bond Acceptors 31.0

Rotatable Bonds 71.0

Heavy Atoms 166.0

Ring Count 7.0

Amide Bonds 18.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0388259 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