3V7L

Apo Structure of Rat DNA polymerase beta K72E variant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA polymerase beta	polymer	340	39058.4	1	UniProt (P06766) Pfam (PF14716) Pfam (PF10391) Pfam (PF14792) Pfam (PF14791) In PDB	Rattus norvegicus (rat)
2	A	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
3	A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	80	Chemie (HOH)

Sequence modifications

A: 4 - 335 (UniProt: P06766)

PDB	External Database	Details
Met -4	-	expression tag
Gly -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
His 2	-	expression tag
His 3	-	expression tag
Glu 72	Lys 72	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	39058.4
Non-Polymers*	Number of molecules	5
	Total formula weight	212.9
All*	Total formula weight	39271.3

*Water molecules are not included.