| http://www.w3.org/ns/prov#value | - Biologists have found new evidence of why mice, people and other vertebrate animals carry thousands of varieties of genes to make immune-system proteins named MHCs--even though some of those genes make vertebrate animals susceptible to infections and to autoimmune diseases.Major histocompatibility complex (MHC) proteins are found on the surfaces of most cells in vertebrate animals.
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