Peptide Database

Peptide NameKK2

Function Ontology

Neurological / Signaling ▸ Analgesic/opioid activity ▸ Analgesic

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC74H111N19O24

DescriptionStandard

        ELYENKPNDRPYI
    

Molecular Weight1650.79 Da

Isoelectric Point (pI)4.68

Net Charge (pH 7.0)-1.16

Net Charge (pH 7.4) -1.34

Charge Density (pH 7.0) -0.0894

GRAVY Index-1.80

Hydrophobic Moment 0.16

Boman Index-0.37

Instability Index24.86

Aliphatic Index 60.00

Aromaticity 0.1538

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 721.40

LogP -5.44

H-bond Donors 23.0

H-bond Acceptors 23.0

Rotatable Bonds 51.0

Heavy Atoms 117.0

Ring Count 4.0

Amide Bonds 14.0

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_0307170 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

Tax ID9913

Structure & Mods

Configlinear peptide [Linear]

Chiralitymixed L/D amino-acid peptide [Mixed]

N-TermNone

C-TermNone

Other ModsN3-1d= COOH-CH(NH2)CH2-(CH2)3-CH2-NHMe at 8th arginine position

Bio-Activity Profile

Function

Analgesic

Target70 μg of protein per formed on whole cells

Activity0.0004 μM

MethodMALDI-TOF-MS

Half-LifeRat serum, in vitro; 12660 s