7B0C

[4Fe-4S]-NsrR complexed to 23-bp HmpA1 operator fragment

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	HTH-type transcriptional repressor NsrR	polymer	161	17503.1	2	UniProt (Q9L132) Pfam (PF02082) In PDB	Streptomyces coelicolor A3(2)
2	C	DNA (5'-D(P*AP*AP*CP*AP*CP*GP*AP*AP*TP*AP*TP*CP*AP*TP*CP*TP*AP*CP*CP*AP*AP*TP*T)-3')	polymer	23	6976.6	1		Streptomyces coelicolor A3(2)
3	D	DNA (5'-D(P*AP*AP*TP*TP*GP*GP*TP*AP*GP*AP*TP*GP*AP*TP*AP*TP*TP*CP*GP*TP*GP*TP*T)-3')	polymer	23	7140.6	1		Streptomyces coelicolor A3(2)
4	A, B	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
5		water	water		18.0	4	Chemie (HOH)

Sequence modifications

A, B: 1 - 148 (UniProt: Q9L132)

PDB	External Database	Details
Lys 149	-	expression tag
Leu 150	-	expression tag
Ala 151	-	expression tag
Ala 152	-	expression tag
Ala 153	-	expression tag
Leu 154	-	expression tag
Glu 155	-	expression tag
His 156	-	expression tag
His 157	-	expression tag
His 158	-	expression tag
His 159	-	expression tag
His 160	-	expression tag
His 161	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	49123.4
Non-Polymers*	Number of molecules	2
	Total formula weight	703.3
All*	Total formula weight	49826.7

*Water molecules are not included.