Peptide Database

Peptide NameOrcokinin A

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC94H147N23O32

DescriptionStandard

        NFDEIDKASASFSILNQLV
    

Molecular Weight2111.31 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.24

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1177

GRAVY Index0.14

Hydrophobic Moment 0.50

Boman Index0.14

Instability Index19.89

Aliphatic Index 107.89

Aromaticity 0.1053

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 915.00

LogP -9.57

H-bond Donors 30.0

H-bond Acceptors 30.0

Rotatable Bonds 71.0

Heavy Atoms 149.0

Ring Count 2.0

Amide Bonds 21.0

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_0232402 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila melanogaster [Animal]

Tax ID7227

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide