HLA-DRB4 (NM_021983) Human Untagged Clone SC315937 CNY 2,400.00 CNY 6,270.00 现货 HLA (untagged)-Human major histocompatibility complex, class II, DR beta 4 (HLA-DRB4) Type Human Untagged Clone Tag Tag Free Vector pCMV6-XL5