Peptide Database

Peptide NameKK15

Function Ontology

Neurological / Signaling ▸ Analgesic/opioid activity ▸ Analgesic

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC66H106N22O21

DescriptionStandard

        ELYENKPNARGRP
    

Molecular Weight1543.68 Da

Isoelectric Point (pI)8.69

Net Charge (pH 7.0)0.84

Net Charge (pH 7.4) 0.66

Charge Density (pH 7.0) 0.0644

GRAVY Index-2.02

Hydrophobic Moment 0.14

Boman Index-0.53

Instability Index24.13

Aliphatic Index 37.69

Aromaticity 0.0769

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 725.77

LogP -7.99

H-bond Donors 24.0

H-bond Acceptors 22.0

Rotatable Bonds 49.0

Heavy Atoms 109.0

Ring Count 3.0

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_0245459 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-L-Arg 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; 10440 s