7JJF

Sarcin-ricin loop with modified residue.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA/DNA (27-mer)	polymer	27	8726.3	1		Escherichia coli
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3		water	water		18.0	103	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	8726.3
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	8750.6

*Water molecules are not included.