Sr-Sturgeon Polypeptide-4

What is it?

sr-Sturgeon Polypeptide-4 is a single chain recombinant protein produced by fermentation in Pichia pastoris. The starting gene is synthesized to be identical to the gene which codes for Extracellular Superoxide Dismutase [Cu-Zn] derived from the sturgeon, Acipenser schrenckii. The parent protein contains a maximum of 243 amino acids which may contain disulfide bonds and/or glycosylation and consists of the proper sequence of the 20 standard amino acids.

What does it do?

Sr-Sturgeon Polypeptide-4 is listed in the EU cosmetic ingredient inventory with the following declared functions:

• Not reported

  function not declared in the EU CosIng database — the substance is approved for cosmetic use, but no specific role has been categorised

EU regulatory status

Sr-Sturgeon Polypeptide-4 is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.

Related ingredients

• 1,2-Bis-(2-Aminoethoxy)ethane not reported
• 1,3-Bis-(Isocyanatomethyl) Cyclohexane not reported
• 1,4-Cyclohexanedicarboxylic Acid not reported
• 1,6-Hexamethylene Diisocyanate not reported
• 2,3-Epoxypropyl Cocodimonium Chloride not reported
• 2,3-Epoxypropyl Lauryldimonium Chloride not reported