4J50

Crystal Structure of an Expanded RNA CAG Repeat

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	RNA (5'-R(*UP*UP*GP*GP*GP*CP*CP*AP*GP*CP*AP*GP*CP*AP*GP*GP*UP*CP*C)-3')	polymer	19	6108.7	2		synthetic construct
2	C, D (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	E, F (A, B)	water	water		18.0	112	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	12217.4
Non-Polymers*	Number of molecules	2
	Total formula weight	189.9
All*	Total formula weight	12407.3

*Water molecules are not included.