5EAO

Two active site divalent ion in the crystal structure of the hammerhead ribozyme bound to a transition state analog-Mg2+

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	RNA (48-MER)	polymer	48	15500.3	1		synthetic construct
2	B (B)	RNA (5'-R(*GP*GP*GP*CP*GP*UP*C*UP*GP*GP*GP*CP*AP*GP*UP*AP*CP*CP*CP*A)-3')	polymer	20	6453.9	1		synthetic construct
3	C, D, E, F, G... (A, B)	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG) PubChem (888)
4	K (B)	bis(oxidanyl)vanadium	non-polymer		85.0	1	Chemie (VVB)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	21954.2
Non-Polymers*	Number of molecules	9
	Total formula weight	279.4
All*	Total formula weight	22233.6

*Water molecules are not included.