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Crystal structure of transcription factor NtcA from Synechococcus elongatus in complex with its target DNA.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Global nitrogen regulator	polymer	222	24862.1	2	UniProt (P29283) Pfam (PF00027) Pfam (PF13545)	Synechococcus elongatus PCC 7942 = FACHB-805
2	C, E (C, E)	DNA (5'-D(P*AP*TP*TP*TP*TP*TP*AP*TP*GP*TP*AP*TP*C)-3')	polymer	14	4235.8	2		Synechococcus elongatus PCC 7942 = FACHB-805
3	D, F (D, F)	DNA (5'-D(P*AP*GP*CP*TP*GP*AP*TP*AP*CP*AP*TP*AP*AP*AP*AP*AP*T)-3')	polymer	17	5227.5	2		Synechococcus elongatus PCC 7942 = FACHB-805
4	G, H (A, B)	2-OXOGLUTARIC ACID	non-polymer		146.1	2	Chemie (AKG)
5	I, J (A, B)	water	water		18.0	4	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	68650.6
Non-Polymers*	Number of molecules	2
	Total formula weight	292.2
All*	Total formula weight	68942.8

*Water molecules are not included.