1EX6

CRYSTAL STRUCTURE OF UNLIGANDED FORM OF GUANYLATE KINASE FROM YEAST

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	GUANYLATE KINASE	polymer	186	20533.2	2	UniProt (P15454) Pfam (PF00625)	Saccharomyces cerevisiae (baker's yeast)
2	C, D (A, B)	water	water		18.0	424	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	41066.3
All*	Total formula weight	41066.3

*Water molecules are not included.