1XJR

The Structure of a Rigorously Conserved RNA Element Within the SARS Virus Genome

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	s2m RNA	polymer	47	15435.1	1
2	B, C (A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D (A)	water	water		18.0	11	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	15435.1
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	15483.7

*Water molecules are not included.