DP(W3); DP(W4); DPA1; HLA class II histocompatibility antigen, DP alpha 1 chain; HLA class II histocompatibility antigen, DP alpha chain; HLA-DP1A; HLA-DPA1; HLA-SB alpha chain; HLADP; HLASB; major histocompatibility complex, class II, DP alpha 1; MHC cl