3K5O

Crystal structure of E.coli Pol II

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 II	polymer	786	90459.7	2	UniProt (P21189) Pfam (PF21474) Pfam (PF03104) Pfam (PF00136) In PDB	Escherichia coli	Pol II
2		water	water		18.0	522	Chemie (HOH)

Sequence modifications

A, B: 1 - 783 (UniProt: P21189)

PDB	External Database	Details
Gly -2	-	expression tag
Pro -1	-	expression tag
His 0	-	expression tag
Asn 335	Asp 335	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	180919.5
All*	Total formula weight	180919.5

*Water molecules are not included.