6XGY

Crystal structure of E. coli MlaFB ABC transport subunits in the dimeric state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Organic solvent ABC transporter ATP-binding protein	polymer	269	29128.8	1	UniProt (V8KL36) In PDB	Escherichia coli LAU-EC10
2	B	ABC transporter maintaining OM lipid asymmetry, cytoplasmic STAS component	polymer	109	12314.0	1	UniProt (W8T4U6) Pfam (PF13466) UniProt (by SIFTS) (P64602) In PDB	Escherichia coli	Lipid asymmetry maintenance protein MlaB,Phospholipid ABC transporter substrate-binding protein,Phospholipid ABC transporter-binding protein,Putative anti-sigma factor antagonist,Putative phospholipid ABC transporter-binding protein MlaB
3	A	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)
4	A	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5		water	water		18.0	4	Chemie (HOH)

Sequence modifications

B: 2 - 97 (UniProt: W8T4U6)

PDB	External Database	Details
Met -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
Glu -4	-	expression tag
Asn -3	-	expression tag
Leu -2	-	expression tag
Tyr -1	-	expression tag
Phe 0	-	expression tag
Gln 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	41442.8
Non-Polymers*	Number of molecules	3
	Total formula weight	475.8
All*	Total formula weight	41918.7

*Water molecules are not included.