NCBI/NLM/NIH Entrez Glossary 19 May 1997

U.S. Food and Drug Administration
Center for Food Safety and Applied Nutrition
NCBI/NLM/NIH Glossary

hla-b7 antigen: Human histocompatibility (HLA) surface antigen encoded by the B locus on chromosome 6. There is a weak association between the presence of the HLA-B7 antigen and the diseases of narcolepsy and idiopathic hemochromatosis. HLA-B7 is in linkage disequilibrium with HLA-A3 and HLA-DR2