305D

SIDE-BY-SIDE BINDING OF DISTAMYCIN MOLECULES TO D(ICATATIC) IN THE TETRAGONAL FORM

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA (5'-D(*IP*CP*AP*TP*AP*TP*IP*C)-3')	polymer	8	2396.6	1
2	B (A)	DISTAMYCIN A	non-polymer		481.5	1	Chemie (DMY)
3	C (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	D (A)	water	water		18.0	40	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	2396.6
Non-Polymers*	Number of molecules	2
	Total formula weight	505.8
All*	Total formula weight	2902.4

*Water molecules are not included.