<unk> s are proteins expressed by some viruses that enable the virus to evade immune recognition by interfering with MHC I complexes in the infected cell, therefore blocking the recognition of viral protein fragments by CD8+ cytotoxic T lymphocytes. Less frequently, MHC II antigen presentation and induced-self molecules may also be targeted. Some viral<unk> s block peptide entry into the endoplasmic reticulum (ER) by targeting the TAP transporters.<unk> s are particularly abundant in viruses that are capable of establishing long-term infections of the host, such as herpesviruses.
Immunoevasin
Tetanospasmin
Endrin
Hyperforin
Pentostatin
Kallikrein
Haptocorrin
Defensin