8D78

Crystal structure of a Ba stabilized four-tetrad, parallel Tetrahymena thermophila telomeric G-quadruplex in complex with N-methyl mesoporphyrin IX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA (5'-D(*GP*GP*GP*GP*TP*TP*GP*GP*GP*GP*TP*TP*GP*GP*GP*GP*TP*TP*GP*GP*GP*G)-3')	polymer	22	7047.5	1		Tetrahymena thermophila
2	A	N-METHYLMESOPORPHYRIN	non-polymer		580.7	1	Chemie (MMP)
3	A	BARIUM ION	non-polymer		137.3	2	Chemie (BA)
4		water	water		18.0	21	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	7047.5
Non-Polymers*	Number of molecules	3
	Total formula weight	855.4
All*	Total formula weight	7902.9

*Water molecules are not included.