Marjorie A. Oettinger Professor of Genetics The vertebrate immune system is capable of specifically recognizing and responding to an enormous number of antigens. The interaction with antigen is... Read more about Marjorie A. OettingerPublicationsMassachusetts General Hospital Simches Research Building CPZN-7240 185 Cambridge St. Boston, MA 02114oettinger@molbio.mgh.harvard.edup: 617-726-5967