7EGS

The crystal structure of lobe domain of E. coli RNA polymerase complexed with the C-terminal domain of UvrD

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA-directed RNA polymerase subunit beta	polymer	295	33931.7	1	UniProt (P0A8V2) Pfam (PF04561) Pfam (PF04563) In PDB	Escherichia coli (strain K12)	RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
2	B	DNA helicase II	polymer	70	7729.8	1	UniProt (P03018) Pfam (PF21196) In PDB	Escherichia coli (strain K12)
3	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4		water	water		18.0	161	Chemie (HOH)

Sequence modifications

A: 152 - 443 (UniProt: P0A8V2)

PDB	External Database	Details
Ala 149	-	expression tag
Met 150	-	expression tag
Asp 151	-	expression tag

B: 654 - 720 (UniProt: P03018)

PDB	External Database	Details
Ala 651	-	expression tag
Met 652	-	expression tag
Asp 653	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	41661.5
Non-Polymers*	Number of molecules	1
	Total formula weight	92.1
All*	Total formula weight	41753.6

*Water molecules are not included.