5YEQ

The structure of Sac-KARI protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Ketol-acid reductoisomerase (NADP(+))	polymer	340	38605.4	2	UniProt (A0A0U3H6N8) Pfam (PF07991) Pfam (PF01450) UniProt (by SIFTS) (Q4J8K9)	Sulfolobus acidocaldarius	KARI,Acetohydroxy-acid isomeroreductase,AHIR,Alpha-keto-beta-hydroxylacyl reductoisomerase
2	C, D, E, F, I... (A, B)	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
3	G, L (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	H, M (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
5	N, O (A, B)	water	water		18.0	468	Chemie (HOH)

Sequence modifications

A, B: 1 - 332 (UniProt: A0A0U3H6N8)

PDB	External Database	Details
Leu 333	-	expression tag
Glu 334	-	expression tag
His 335	-	expression tag
His 336	-	expression tag
His 337	-	expression tag
His 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77210.8
Non-Polymers*	Number of molecules	11
	Total formula weight	845.2
All*	Total formula weight	78056.0

*Water molecules are not included.