4O5Z

O6-carboxymethylguanine in DNA forms a sequence context dependent wobble base pair structure with thymine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA (5'-D(*CP*GP*CP*(C6G)P*AP*AP*TP*TP*TP*GP*CP*G)-3')	polymer	12	3736.4	2
2	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
3	B	BARIUM ION	non-polymer		137.3	1	Chemie (BA)
4		water	water		18.0	125	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7472.9
Non-Polymers*	Number of molecules	2
	Total formula weight	160.3
All*	Total formula weight	7633.2

*Water molecules are not included.