to commemorate the loss of my retainer. Yes, after 5 years of diligent teeth-holding-in-place action, my sparkly, pink retainer of wonderful wonderfulness is officially MIA.
"...proteins that bind the homologous C4b and C3b molecules share one or more copies of a structural element called the short consensus repeat (SCR), complement control protein (CCP) repeat, or (especially in Japan) the sushi domain
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