1XUX

Structural rationalization of a large difference in RNA affinity despite a small difference in chemistry between two 2'-O-modified nucleic acid analogs

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	DNA (5'-D(*GP*CP*GP*TP*AP*(NMS)P*AP*CP*GP*C)-3')	polymer	10	3132.1	4
2	E, F, G, H (A, B, C, D)	water	water		18.0	297	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	12528.3
All*	Total formula weight	12528.3

*Water molecules are not included.