2Q2A

Crystal structures of the arginine-, lysine-, histidine-binding protein ArtJ from the thermophilic bacterium Geobacillus stearothermophilus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	ArtJ	polymer	272	29685.6	4	Pfam (PF00497) UniProt (by SIFTS) (D0VWX8) In PDB	Geobacillus stearothermophilus
2	A, B, C, D	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	A, B, C, D	ARGININE	non-polymer		175.2	4	Chemie (ARG)
4		water	water		18.0	882	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	118742.5
Non-Polymers*	Number of molecules	8
	Total formula weight	1085.1
All*	Total formula weight	119827.6

*Water molecules are not included.