4FE7

structure of xylose-binding transcription activator xylR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Xylose operon regulatory protein	polymer	412	47101.5	1	UniProt (P0ACI3) Pfam (PF22177) Pfam (PF13377) Pfam (PF00165) In PDB	Escherichia coli
2	A	alpha-D-xylopyranose	non-polymer		150.1	1	Chemie (XYS)
3		water	water		18.0	52	Chemie (HOH)

Sequence modifications

A: 1 - 392 (UniProt: P0ACI3)

PDB	External Database	Details
Met -19	-	expression tag
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	1
	Total formula weight	47101.5
Non-Polymers*	Number of molecules	1
	Total formula weight	150.1
All*	Total formula weight	47251.6

*Water molecules are not included.