negatively regulates adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains negative regulation of adaptive immune response regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains biological_process GO:0002823 Any process that stops, prevents, or reduces the frequency, rate, or extent of an adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains. An example of this process is found in the Gnathostomata. biological regulation