3UM4

X-ray Diffraction Studies of Ring Crystals obtained for d(CACGCG).d(CGCGTG): Stage (i) Hexagonal plates

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)	6-mer DNA	polymer	4	1221.8	2
2	C, D (A, B)	water	water		18.0	3	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	2443.7
All*	Total formula weight	2443.7

*Water molecules are not included.