50.0 MB (1.2 MB compressed)
4180 x 4180 pixels
35.3 x 35.3 cm ⏐ 13.9 x 13.9 in (300dpi)
LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
MHC protein complexed with flu virus. Computer model showing the crystal structure of the human class II MHC (major histocompatibility complex) protein HLA-DR1 complexed with an influenza (flu) virus peptide. MHC class II molecules are cell surface molecules that are part of the immune system. They are found only on antigen-presenting cells and lymphocytes, where they present antigens to evoke the production of antibodies.
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