4LQ2

Crystal structure of ligand binding domain of CysB, a LysR member from Salmonella typhimurium in complex with effector ligand, O-acetylserine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	HTH-type transcriptional regulator CysB	polymer	245	27518.2	1	UniProt (P06614) Pfam (PF03466) In PDB	Salmonella enterica subsp. enterica serovar Typhimurium	Cys regulon transcriptional activator
2	A	O-ACETYLSERINE	non-polymer		147.1	1	Chemie (OAS)
3		water	water		18.0	13	Chemie (HOH)

Sequence modifications

A: 86 - 324 (UniProt: P06614)

PDB	External Database	Details
His 80	-	expression tag
His 81	-	expression tag
His 82	-	expression tag
His 83	-	expression tag
His 84	-	expression tag
His 85	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	27518.2
Non-Polymers*	Number of molecules	1
	Total formula weight	147.1
All*	Total formula weight	27665.4

*Water molecules are not included.