9O9X

ytrEF nucleotide-free conformation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, B)	ABC transporter ATP-binding protein YtrE	polymer	251	27664.4	2	UniProt (O34392) Pfam (PF00005)	Bacillus subtilis subsp. subtilis str. 168
2	B, C (C, D)	ABC transporter permease YtrF	polymer	436	48478.0	2	UniProt (O35005) Pfam (PF12704) Pfam (PF02687)	Bacillus subtilis subsp. subtilis str. 168

Sequence modifications

A, B: 1 - 231 (UniProt: O34392)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	152284.8
All*	Total formula weight	152284.8

*Water molecules are not included.