7BG4

Multidrug resistance transporter BmrA mutant E504A bound with ATP, Mg, and Rhodamine 6G solved by Cryo-EM

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)	Multidrug resistance ABC transporter ATP-binding/permease protein BmrA	polymer	599	65747.1	2	UniProt (O06967) Pfam (PF00664) Pfam (PF00005)	Bacillus subtilis
2	C, D (A)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
3	E, G (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	F, H (A, B)	RHODAMINE 6G	non-polymer		443.6	2	Chemie (RHQ)

Sequence modifications

A, B: 1 - 589 (UniProt: O06967)

PDB	External Database	Details
Met -9	-	initiating methionine
Ser -8	-	expression tag
Ser -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ala 504	Glu 504	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	131494.3
Non-Polymers*	Number of molecules	6
	Total formula weight	1950.1
All*	Total formula weight	133444.4

*Water molecules are not included.