5XU1

Structure of a non-canonical ABC transporter from Streptococcus pneumoniae R6

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)	ABC transporter ATP-binding protein	polymer	245	27090.8	2	UniProt (Q8DQF8) Pfam (PF00005)	Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
2	C, D (M, S)	ABC transporter permeae	polymer	419	45316.2	2	UniProt (Q8DQF7) Pfam (PF12704) Pfam (PF02687)	Streptococcus pneumoniae (strain ATCC BAA-255 / R6)	TMD of the ABC trasnporter
3	E, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, H, I, J (A, B, M, S)	water	water		18.0	16	Chemie (HOH)

Sequence modifications

A, B: 1 - 233 (UniProt: Q8DQF8)

PDB	External Database	Details
Met -11	-	expression tag
Gly -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Thr 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	144814.0
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	144862.6

*Water molecules are not included.