1XLL

MECHANISM FOR ALDOSE-KETOSE INTERCONVERSION BY D-XYLOSE ISOMERASE INVOLVING RING OPENING FOLLOWED BY A 1,2-HYDRIDE SHIFT

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	D-XYLOSE ISOMERASE	polymer	394	43209.2	2	UniProt (P12070) Pfam (PF01261) In PDB	Arthrobacter sp.
2	A, B	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3		water	water		18.0	525	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86418.3
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	86680.0

*Water molecules are not included.