1VRO

Selenium-Assisted Nucleic Acid Crystallography: Use of Phosphoroselenoates for MAD Phasing of a DNA Structure

Replaces:  1N6S

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*(GMS)P*CP*GP*CP*G)-3'	polymer	6	1873.2	2
2	A	SPERMINE	non-polymer		202.3	1	Chemie (SPM)
3	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	73	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	3746.3
Non-Polymers*	Number of molecules	2
	Total formula weight	226.6
All*	Total formula weight	3973.0

*Water molecules are not included.