5XIM

PROTEIN ENGINEERING OF XYLOSE (GLUCOSE) ISOMERASE FROM ACTINOPLANES MISSOURIENSIS. 1. CRYSTALLOGRAPHY AND SITE-DIRECTED MUTAGENESIS OF METAL BINDING SITES

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)	D-XYLOSE ISOMERASE	polymer	393	43421.5	4	UniProt (P12851) Pfam (PF01261)	Actinoplanes missouriensis
2	E, G, I, K (A, B, C, D)	sorbitol	non-polymer		182.2	4	Chemie (SOR)
3	F, H, J, L (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	M, N, O, P (A, B, C, D)	water	water		18.0	868	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	173686.0
Non-Polymers*	Number of molecules	8
	Total formula weight	825.9
All*	Total formula weight	174512.0

*Water molecules are not included.