2JZB

Solution structure of the complex between E.coli NusA-AR2 and RNAP-aCTD

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 alpha	polymer	99	11116.7	1	UniProt (P0A7Z4) Pfam (PF03118) UniProt (by SIFTS) (Q664U6) In PDB	Yersinia pseudotuberculosis	RNAP subunit alpha, Transcriptase subunit alpha, RNA polymerase subunit alpha
2	B	Transcription elongation protein nusA	polymer	74	7823.7	1	UniProt (P0AFF6) Pfam (PF14520) In PDB	Escherichia coli	N utilization substance protein A, L factor

Sequence modifications

A: 233 - 329 (UniProt: P0A7Z4)

PDB	External Database	Details
Gly 231	-	expression tag
Pro 232	-	expression tag

B: 424 - 495 (UniProt: P0AFF6)

PDB	External Database	Details
Gly 422	-	expression tag
Pro 423	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	18940.4
All*	Total formula weight	18940.4

*Water molecules are not included.