B7-H4 Protein, Rhesus macaque, Recombinant (hFc)Vtcn1, V-set domain containing T cell activation inhibitor 1, V-set domai, T cell costimulatory molecule B7x, Protein B7S1, Immune costimulatory protein B7-H4, FLJ22418, B7XPRO1291, B7x, B7S1VCTN1, B7S1, B7H4T-cell costimulatory molecule B7x, B7-H4, B7h.5