3E4R

Crystal structure of the alkanesulfonate binding protein (SsuA) from the phytopathogenic bacteria Xanthomonas axonopodis pv. citri bound to HEPES

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Nitrate transport protein	polymer	324	34566.7	1	UniProt (Q8PHQ1) In PDB	Xanthomonas axonopodis pv. citri
2	A	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	1	Chemie (EPE)
3		water	water		18.0	322	Chemie (HOH)

Sequence modifications

A: 21 - 324 (UniProt: Q8PHQ1)

PDB	External Database	Details
Met 1	-	expression tag
Gly 2	-	expression tag
Ser 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Ser 11	-	expression tag
Ser 12	-	expression tag
Gly 13	-	expression tag
Leu 14	-	expression tag
Val 15	-	expression tag
Pro 16	-	expression tag
Arg 17	-	expression tag
Gly 18	-	expression tag
Ser 19	-	expression tag
His 20	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	34566.7
Non-Polymers*	Number of molecules	1
	Total formula weight	238.3
All*	Total formula weight	34805.0

*Water molecules are not included.