6JCW

Cryo-EM Structure of Sulfolobus solfataricus ketol-acid reductoisomerase (Sso-KARI) 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... (A, B, C, D, E...)	ketol-acid reductoisomerase	polymer	333	37229.9	12	UniProt (Q97YJ9) Pfam (PF07991) Pfam (PF01450)	Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
2	AA, BA, CA, DA, EA... (H, I, J, K, L...)	MAGNESIUM ION	non-polymer		24.3	24	Chemie (MG)
3	KA, LA, MA, NA, OA... (A, B, C, D, E...)	water	water		18.0	100	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	446758.3
Non-Polymers*	Number of molecules	24
	Total formula weight	583.3
All*	Total formula weight	447341.6

*Water molecules are not included.