4RBY

First X-ray structure of RNA containing guanosine phosphorodithioate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	5'-R(*CP*GP*CP*(2SG)P*AP*AP*UP*UP*AP*GP*CP*G)-3'	polymer	12	3885.5	1		synthetic construct
2	B, C (A)	STRONTIUM ION	non-polymer		87.6	2	Chemie (SR)
3	D (A)	water	water		18.0	100	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	3885.5
Non-Polymers*	Number of molecules	2
	Total formula weight	175.2
All*	Total formula weight	4060.7

*Water molecules are not included.