2OIY

Crystal structure of the duplex form of the HIV-1(LAI) RNA dimerization initiation site

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	5'-R(*CP*UP*UP*GP*CP*UP*GP*AP*AP*GP*CP*GP*CP*GP*CP*AP*CP*GP*GP*CP*AP*AP*G)-3'	polymer	23	7417.5	2
2	A, B	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
3	A	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4		water	water		18.0	183	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	14835.0
Non-Polymers*	Number of molecules	5
	Total formula weight	165.9
All*	Total formula weight	15000.9

*Water molecules are not included.