POLR1B CytoSection TS420367P5 USD 1,174.00 4 Weeks Transient overexpression of POLR1B, transcript variant 1, in HEK293T cells, FFPE control for IHC, ICC and ISH staining, 25 slides per pack Other Names A135; RPA2; RPA135; Rpo1-2; TCS4 Accession Number NM_019014, NP_061887