5WYA

Structure of amino acid racemase, 2.65 A

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 (A, B, C, D)	Isoleucine 2-epimerase	polymer	450	49482.2	4	UniProt (M1GRN3) Pfam (PF00202)	Lactobacillus buchneri	BCAA racemase
2	E, J, O, R (A, B, C, D)	(2S,3S)-3-methyl-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]pentanoic acid	non-polymer		362.3	4	Chemie (7VO)
3	F, G, H, I, K... (A, B, C, D)	DIMETHYL SULFOXIDE	non-polymer		78.1	11	Chemie (DMS)
4	T, U, V, W (A, B, C, D)	water	water		18.0	640	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	197928.8
Non-Polymers*	Number of molecules	15
	Total formula weight	2308.7
All*	Total formula weight	200237.6

*Water molecules are not included.