valk (immunoglobuliin), mida toodab organismi immuunsüsteem vastuseks võõrmolekuli (antigeeni) toimele ja millele on iseloomulik spetsiifiline seostumine selle molekuli kindla piirkonnaga (antigeen-determinant ehk epitoop)
a protein (immunoglobulin) produced by the immune system of an organism in response to exposure to a foreign molecule (antigen) and characterized by its specific binding to a site of that molecule (antigenic determinant or epitope)
