Protein A

Necklace

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.

– Nr. 247
Protein A necklace in silver
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