Peptide Database

Peptide NamePyrokinin PK b 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC79H113N25O20

DescriptionStandard

        HLGNKNGGGVWFGSRF
    

Molecular Weight1732.90 Da

Isoelectric Point (pI)11.00

Net Charge (pH 7.0)1.85

Net Charge (pH 7.4) 1.59

Charge Density (pH 7.0) 0.1154

GRAVY Index-0.54

Hydrophobic Moment 0.25

Boman Index0.10

Instability Index36.94

Aliphatic Index 42.50

Aromaticity 0.1875

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 738.62

LogP -8.16

H-bond Donors 26.0

H-bond Acceptors 23.0

Rotatable Bonds 55.0

Heavy Atoms 124.0

Ring Count 5.0

Amide Bonds 17.0

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_0297128 VERIFIED: NO

Provenance & Taxonomy

OrganismAnurida maritima [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide