1. A nucleic acid comprising a polynucleotide sequence that encodes an antibody that specifically binds to human V-domain Ig Suppressor of T cell Activation (hVISTA), the antibody comprising a heavy chain and a light chain, wherein the heavy chain comprises a heavy chain variable region (VH) comprising VH CDR1, CDR2 and CDR3, which comprise amino acid positions 26-35, 50-66, and 99-112, respectively, of SEQ ID NO: 15, SEQ ID NO: 51, SEQ ID NO: 11, SEQ ID NO: 55, SEQ ID NO: 59, SEQ ID NO: 39, SEQ ID NO: 63, SEQ ID NO: 71, SEQ ID NO: 75, SEQ ID NO: 83, SEQ ID NO: 79, SEQ ID NO: 87, SEQ ID NO: 193, SEQ ID NO: 201, SEQ ID NO: 197, SEQ ID NO: 213, SEQ ID NO: 185, SEQ ID NO: 237, SEQ ID NO: 257, SEQ ID NO: 245, SEQ ID NO: 241, SEQ ID NO: 269, SEQ ID NO: 289, SEQ ID NO: 273, SEQ ID NO: 285, SEQ ID NO: 265, SEQ ID NO: 301, SEQ ID NO: 293, SEQ ID NO: 313, SEQ ID NO: 277, or SEQ ID NO: 305; and wherein the light chain comprises a light chain variable region (VL) comprising VL CDR1, CDR2 and CDR3, which comprise amino acid positions 24-35, 51-57, and 90-98, respectively, of SEQ ID NO: 68.
|