4XDZ

Holo structure of ketol-acid reductoisomerase from Ignisphaera aggregans

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Ketol-acid reductoisomerase	polymer	343	38465.5	2	UniProt (E0SRA9) Pfam (PF07991) Pfam (PF01450) In PDB	Ignisphaera aggregans	Acetohydroxy-acid isomeroreductase,Alpha-keto-beta-hydroxylacyl reductoisomerase
2	A, B	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		745.4	2	Chemie (NDP)
3	A, B	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	A, B	oxo(propan-2-ylamino)acetic acid	non-polymer		131.1	2	Chemie (40E)
5	A, B	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	2	Chemie (EPE)
6	A, B	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
7		water	water		18.0	595	Chemie (HOH)

Sequence modifications

A, B: 1 - 335 (UniProt: E0SRA9)

PDB	External Database	Details
Leu 336	-	expression tag
Glu 337	-	expression tag
His 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	76931.0
Non-Polymers*	Number of molecules	15
	Total formula weight	2787.4
All*	Total formula weight	79718.4

*Water molecules are not included.