. 2018 Aug 8;3(1):77–82.

Table 1.

Yeast RNA polymerase II subunit genes.

Gene	SDS-PACE mobility (kDa)	Protein mass (kDa)	Stoichiometry	Chromosomal location	Deletion phenotype	Sequence similarity
RPB1 ^a	220	190	1.1	IV	Inviable	β′^c
RPB2	150	140	1.0	XV	Inviable	β^d
RPB3	45	35	2.1	IX	Inviable	Human hRPB44^e, AC40 ^f, α^f
RPB4	32	25	0.5	X	Conditional	Acidic region of σ^{70 g}
RPB5	27	25	2.0	II	Inviable	Human hRPB33^h, rpoHⁱ
RPB6	23	18	0.9	XVI	Inviable
RPB7	17	19	0.5	IV or XII	Inviable
RPB8	14	17	0.8	XV	Inviable
RPB9	13	14	2.0	VII	Conditional	Drosophila 14 kDa protein^j
RPB10	10	8.3^l	0.9	XV	Inviable
RPB11	13	14	–	XV	Inviable	AC19^k
RPB12 ^b	10	7.7	–	VIII	Inviable

^a Also known as RP021, RPB220. ^b Also known as RPC10. ^c Allison et al., 1985. ^d Sweetser et al., 1987. ^e Pati and Weissman, 1990. ^f Kolodziej and Young, 1989. ^g Woychik and Young, 1989. ^h Pati and Weissman, 1989. ⁱ Klenk et al., 1992. ^j Woychik and Young, 1991. ^k Dequard-Chablat et al., 1991. ^l The published DNA sequence contained an extra A at position 95 of the open reading frame. The corrected RPB10 sequence extends the open reading frame to encode a protein 70 amino acids in length.