4LQ5

Crystal structure of ligand binding domain of CysB, a LysR member from Salmonella typhimurium LT2 in complex with effector ligand, O-acetylserine at 2.8A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	HTH-type transcriptional regulator CysB	polymer	245	27518.2	1	UniProt (P06614) Pfam (PF03466)	Salmonella enterica subsp. enterica serovar Typhimurium	Cys regulon transcriptional activator
2	B, C (A)	O-ACETYLSERINE	non-polymer		147.1	2	Chemie (OAS)
3	D (A)	water	water		18.0	12	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	2
	Total formula weight	294.3
All*	Total formula weight	27812.5

*Water molecules are not included.