8B79

The crystal structure of M644G variant of DNA Pol Epsilon containing UTP in the polymerase active site

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA polymerase epsilon catalytic subunit A	polymer	1191	137101.5	2	UniProt (P21951) Pfam (PF03104) Pfam (PF22634) In PDB	Saccharomyces cerevisiae (baker's yeast)	3'-5' exodeoxyribonuclease,DNA polymerase II subunit A
2	C, P	Primer DNA sequence	polymer	11	3293.2	2		synthetic construct
3	D, T	Template DNA Sequence	polymer	16	4898.2	2		synthetic construct
4	A, B	URIDINE 5'-TRIPHOSPHATE	non-polymer		484.1	2	Chemie (UTP)
5	A, B	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
6	A, B	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
7		water	water		18.0	12	Chemie (HOH)

Sequence modifications

A, B: 1 - 1186 (UniProt: P21951)

PDB	External Database	Details
Gly -4	-	expression tag
Gly -3	-	expression tag
Asp -2	-	expression tag
Pro -1	-	expression tag
His 0	-	expression tag
Gly 644	Met 644	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	290585.6
Non-Polymers*	Number of molecules	10
	Total formula weight	1326.8
All*	Total formula weight	291912.5

*Water molecules are not included.