6LXM

Crystal structure of C-terminal DNA-binding domain of Escherichia coli OmpR as a domain-swapped dimer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (C, A, B)	Transcriptional regulatory protein OmpR	polymer	113	13099.1	3	UniProt (A0A376JR14) Pfam (PF00486) UniProt (by SIFTS) (P0AA16)	Escherichia coli
2	D (C)	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		209.2	1	Chemie (BTB)
3	E, H, I, O, P... (C, A, B)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
4	F, G, J, K, L... (C, A, B)	GLYCEROL	non-polymer		92.1	9	Chemie (GOL)
5	T, U, V (C, A, B)	water	water		18.0	123	Chemie (HOH)

Sequence modifications

C, A, B: 2 - 105 (UniProt: A0A376JR14)

PDB	External Database	Details
Met 1	-	initiating methionine
Leu 106	-	expression tag
Glu 107	-	expression tag
His 108	-	expression tag
His 109	-	expression tag
His 110	-	expression tag
His 111	-	expression tag
His 112	-	expression tag
His 113	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	39297.3
Non-Polymers*	Number of molecules	16
	Total formula weight	1614.5
All*	Total formula weight	40911.7

*Water molecules are not included.