Peptide Database

Peptide NameOrcokinin OK2-2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC94H159N23O36S

DescriptionStandard

        MLDAITGGDLLSSLDSAEGAAVL
    

Molecular Weight2219.47 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-4.49

Net Charge (pH 7.4) -4.71

Charge Density (pH 7.0) -0.1954

GRAVY Index0.80

Hydrophobic Moment 0.38

Boman Index0.36

Instability Index24.30

Aliphatic Index 131.74

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 933.64

LogP -10.63

H-bond Donors 32.0

H-bond Acceptors 33.0

Rotatable Bonds 74.0

Heavy Atoms 154.0

Ring Count 0.0

Amide Bonds 22.0

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_0205193 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide