SV40 T-antigen
SV40 T-antigen is a tumor-inducing antigen, a protein produced by simian vacuolating virus 40 (SV40).
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SV40 T-antigen may refer to:
Related antigens
SV40 is a polyomavirus (a member of family Polyomaviridae), and similar proteins in polyomaviruses in general are known as:
- Small T-antigen (small tumor antigen, STag, ST)
 - Large T-antigen (large tumor antigen, LTag, LT)
 
See also
- Middle tumor antigen (MTag, MT), found in some polyomaviruses, but not in SV40
 - Oncovirus
 - Simian, a group including monkeys, apes, and humans
 - Vaccine contamination with SV40
 - Virus classification
 - Vacuole