8QA9

Crystal structure of the RK2 plasmid encoded co-complex of the C-terminally truncated transcriptional repressor protein KorB complexed with the partner repressor protein KorA bound to OA-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)	Transcriptional repressor protein KorB	polymer	237	26418.6	2	UniProt (P07674) Pfam (PF02195) Pfam (PF08535)	Escherichia coli
2	C, D (C, D)	TrfB transcriptional repressor protein	polymer	114	12850.6	2	UniProt (P03052) Pfam (PF16509)	Escherichia coli
3	E, F (E, F)	DNA (5'-D(*TP*GP*TP*TP*TP*AP*GP*CP*TP*AP*AP*AP*CP*A)-3')	polymer	14	4278.8	2		Escherichia coli
4	G, H, I, J, K (A, B, C, D, E)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
5	L, M, N, O, P (A, B, C, D, F)	water	water		18.0	19	Chemie (HOH)

Sequence modifications

A, B: 31 - 253 (UniProt: P07674)

PDB	External Database	Details
Met 30	-	initiating methionine
Lys 254	-	expression tag
Leu 255	-	expression tag
Ala 256	-	expression tag
Ala 257	-	expression tag
Ala 258	-	expression tag
Leu 259	-	expression tag
Glu 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag

C, D: 1 - 101 (UniProt: P03052)

PDB	External Database	Details
Lys 102	-	expression tag
Leu 103	-	expression tag
Ala 104	-	expression tag
Ala 105	-	expression tag
Ala 106	-	expression tag
Leu 107	-	expression tag
Glu 108	-	expression tag
His 109	-	expression tag
His 110	-	expression tag
His 111	-	expression tag
His 112	-	expression tag
His 113	-	expression tag
His 114	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	87096.0
Non-Polymers*	Number of molecules	5
	Total formula weight	480.3
All*	Total formula weight	87576.4

*Water molecules are not included.