Table 1.

Nomenclature for replicative DNA polymerases (Pols) in human, yeast (Saccharomyces cerevisiae and S. pombe), and plant (Arabidopsis thaliana) orthologues. Catalytic subunits are indicated in bold characters.

DNA Pol	Human (Gene/Protein)	S. Cerevisiae/S. Pombe (Gene/Gene)	A. Thaliana
Pol α/primase	POLA1/p180	POL1/pol1	POLA1 (ICU2, AT5G67100)
	POLA2/p70	POL12/pol12	POLA2 (AT1G67630)
	PRIM1/p49	PRI1/pri1	PRIM1 (AT1G67320)
	PRIM2/p58	PRI2/pri2	PRIM2 (AT5G41880)
Pol δ holoenzyme	POLD1/p125	POL3/pol3	POLD1 (AT5G63960)
	POLD2/p50	POL31/cdc1	POLD2 (AT2G42120)
	POLD3/p68	POL32/cdc27	POLD3 (AT1G78650)
	POLD4/p12	-  /cdm1	POLD4 (AT1G09815)
Pol ε holoenzyme	POLE1/p261 POLE2/p59 POLE3/p17 POLE4/p12	POL2/cdc20 DPB2/dpb2 DPB3/dpb3 DPB4/dpb4	POL2A (ABO4/ESD7, AT1G08260) DPB2 (AT5G22110) DPB3 (NF-YC13, AT5G43250; NF-YC10, AT1G07980) DPB4 (NF-YB11, AT2G27470)