4XIM

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	D-XYLOSE ISOMERASE	polymer	393	43421.5	4	UniProt (P12851) Pfam (PF01261) In PDB	Actinoplanes missouriensis
2	A, B, C, D	COBALT (II) ION	non-polymer		58.9	8	Chemie (CO)
3		water	water		18.0	837	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	471.5
All*	Total formula weight	174157.5

*Water molecules are not included.