4KQX

Mutant Slackia exigua KARI DDV in complex with NAD and an inhibitor

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	polymer	350	38931.8	2	UniProt (D0WGK0) Pfam (PF07991) Pfam (PF01450)	Slackia exigua	Acetohydroxy-acid isomeroreductase, Alpha-keto-beta-hydroxylacyl reductoisomerase
2	C, J (A, B)	NICOTINAMIDE-ADENINE-DINUCLEOTIDE	non-polymer		663.4	2	Chemie (NAD)
3	D, I (A, B)	N-HYDROXY-N-ISOPROPYLOXAMIC ACID	non-polymer		147.1	2	Chemie (HIO)
4	E, F, G, H, L... (A, B)	MAGNESIUM ION	non-polymer		24.3	10	Chemie (MG)
5	K (B)	HISTIDINE	non-polymer		156.2	1	Chemie (HIS)
6	R, S (A, B)	water	water		18.0	280	Chemie (HOH)

Sequence modifications

A, B: 1 - 342 (UniProt: D0WGK0)

PDB	External Database	Details
Asp 61	Ser 61	engineered mutation
Asp 63	Ser 63	engineered mutation
Val 95	Ile 95	engineered mutation
Leu 343	-	expression tag
Glu 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag
His 348	-	expression tag
His 349	-	expression tag
His 350	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77863.6
Non-Polymers*	Number of molecules	15
	Total formula weight	2020.3
All*	Total formula weight	79883.9

*Water molecules are not included.