Protein A necklace in silver 925

Pendant of a Protein A domain in 1.2 mm silver wire.

Protein A is a protein found in the cell wall of the bacteria Staphylicoccus areus. The protein is composed of five homologous domains that fold into a three-helix bundle. Each domain is able to bind immunoglobulins.

Chain length: 50 cm

Length of the pendulum: 5 cm

Chain included.