2FIH

Crystal Structure Analysis of the B-DNA Dodecamer CGCGAA-aU-TCGCG, with Incorporated Arabino-Uridine (aU)

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'-D(*CP*GP*CP*GP*AP*AP*(UAR)P*TP*CP*GP*CP*G)-3'	polymer	12	3665.4	2
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3		water	water		18.0	179	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7330.7
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	7355.0

*Water molecules are not included.