Peptide Database

Peptide NameOrcokinin 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC155H246N46O50

DescriptionStandard

        DLDRFIEGENLLRDLEILRDRAEYFARQS
    

Molecular Weight3553.89 Da

Isoelectric Point (pI)4.51

Net Charge (pH 7.0)-3.23

Net Charge (pH 7.4) -3.44

Charge Density (pH 7.0) -0.1112

GRAVY Index-0.79

Hydrophobic Moment 0.55

Boman Index-0.30

Instability Index65.37

Aliphatic Index 101.03

Aromaticity 0.1034

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 1612.66

LogP -13.79

H-bond Donors 57.0

H-bond Acceptors 47.0

Rotatable Bonds 123.0

Heavy Atoms 251.0

Ring Count 3.0

Amide Bonds 30.0

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_0411070 VERIFIED: NO

Provenance & Taxonomy

OrganismAcyrthosiphon pisum [Animal]

Tax ID7029

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide