4JKY

Cobalt between two ADP's in the active site of adenylate kinase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Adenylate kinase	polymer	203	22982.8	2	UniProt (O66490) Pfam (PF00406) In PDB	Aquifex aeolicus	AK, ATP-AMP transphosphorylase
2	A, B	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
3	A, B	COBALT (II) ION	non-polymer		58.9	2	Chemie (CO)
4		water	water		18.0	144	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	45965.6
Non-Polymers*	Number of molecules	6
	Total formula weight	1826.7
All*	Total formula weight	47792.3

*Water molecules are not included.