2P7E

Vanadate at the Active Site of a Small Ribozyme Suggests a Role for Water in Transition-State Stabilization

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	5' substrate strand, pentameric fragment	polymer	5	1587.9	1
2	B	Ribozyme strand I	polymer	13	4182.6	1
3	C	Ribozyme strand II	polymer	17	5535.4	1
4	D	Ribozyme strand III	polymer	19	5991.6	1
5	P	3' substrate strand, octameric fragment	polymer	8	2501.6	1
6	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
7	B, C	COBALT HEXAMMINE(III)	non-polymer		161.1	2	Chemie (NCO)
8		water	water		18.0	61	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	19799.0
Non-Polymers*	Number of molecules	3
	Total formula weight	418.3
All*	Total formula weight	20217.3

*Water molecules are not included.