2B2N

Structure of transcription-repair coupling factor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Transcription-repair coupling factor	polymer	344	39395.5	2	UniProt (P30958) Pfam (PF17757) In PDB	Escherichia coli	TRCF; Mfd protein
2	A, B	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
3	A, B	O-ACETALDEHYDYL-HEXAETHYLENE GLYCOL	non-polymer		324.4	2	Chemie (P4C)
4	B	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	433	Chemie (HOH)

Sequence modifications

A, B: 1 - 333 (UniProt: P30958)

PDB	External Database	Details
Ala 334	-	expression tag
Ala 335	-	expression tag
Ala 336	-	expression tag
Leu 337	-	expression tag
Glu 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	78791.0
Non-Polymers*	Number of molecules	6
	Total formula weight	813.8
All*	Total formula weight	79604.8

*Water molecules are not included.