An advantage to higher multicellular organism of having an intracellular self/not-self discrimination system became particularly apparent with the finding that peptides from both self and foreign intracellular proteins can be displayed at the cell surface in association with major histocompatibility complex (MHC) proteins;
(An advantage to higher multicellular organism of having an intracellular self/not-self discrimination system; became; particularly apparent with the finding) (the finding; peptides; from both self and foreign intracellular proteins can be displayed at the cell surface in association with major histocompatibility complex (MHC) proteins) (both self and foreign intracellular proteins; can be displayed; at the cell surface)
An advantage to higher multicellular organism of having an intracellular self/not-self discrimination system the finding both self and foreign intracellular proteins
became peptides can be displayed
particularly apparent with the finding
from both self and foreign intracellular proteins can be displayed at the cell surface in association with major histocompatibility complex (MHC) proteins
at the cell surface