has role protective antigen role protective antigen Theileria annulata protein TA17050 merozoite-piroplasm surface antigen Tams1 protein Protegen ID: 603; NCBI Gene GI: 3864438; NCBI Protein GI: 84997996; NCBI Protein Accession: XP_953719; NCBITaxon: 353154 Allen Xiang To test the potential of subunit vaccines against T. annulata infection, we immunized four groups of three calves with either recombinant (re-) (Tams1-1 and Tams1-2) proteins or naked DNA encoding these antigens. All calves vaccinated with ISCOMs proved to be protected from T. annulata infection and had generated antibodies against both re-(Tams1-1 and Tams1-2) at the time of challenge [PubMed: 9364686]. Oliver He