6JD2

Crystal structure of Sulfolobus solfataricus ketol-acid reductoisomerase (Sso-KARI) in complex with Mg2+ at pH8.5

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, E...	Putative ketol-acid reductoisomerase 2	polymer	333	37229.9	12	UniProt (Q97YJ9) Pfam (PF07991) Pfam (PF01450) In PDB	Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) (Sulfolobus solfataricus)	Acetohydroxy-acid isomeroreductase 2,Alpha-keto-beta-hydroxylacyl reductoisomerase 2
2	F, G, H, I, A...	BETA-MERCAPTOETHANOL	non-polymer		78.1	12	Chemie (BME)
3	E, F, G, H, I...	MAGNESIUM ION	non-polymer		24.3	24	Chemie (MG)
4		water	water		18.0	756	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	446758.3
Non-Polymers*	Number of molecules	36
	Total formula weight	1520.9
All*	Total formula weight	448279.2

*Water molecules are not included.