7EN6

The crystal structure of Escherichia coli MurR in apo form

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, D	HTH-type transcriptional regulator MurR	polymer	181	19652.5	4	UniProt (A0A6C9BRR1) Pfam (PF01380) UniProt (by SIFTS) (P77245) In PDB	Escherichia coli	MurPQ operon repressor
2	A, D	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3		water	water		18.0	134	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	78610.1
Non-Polymers*	Number of molecules	2
	Total formula weight	189.9
All*	Total formula weight	78800.0

*Water molecules are not included.