9KBR

Crystal structure of the methyltransferase-ribozyme 1 bound to DNA substrate (with 1-methyl-adenosine)

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(*CP*CP*AP*CP*TP*GP*(MA7)P*GP*AP*GP*CP*TP*TP*C)-3')	polymer	14	4255.8	1		synthetic construct
2	B (B)	RNA (5'-R(*GP*GP*AP*AP*GP*CP*UP*CP*UP*GP*AP*CP*CP*GP*AP*CP*CP*CP*CP*CP*AP*GP*CP*C)-3')	polymer	24	7641.6	1		synthetic construct
3	C (C)	RNA (5'-R(*GP*CP*UP*GP*GP*GP*AP*CP*AP*AP*CP*UP*AP*GP*AP*CP*AP*UP*AP*CP*AP*GP*UP*G)-3')	polymer	24	7755.7	1		synthetic construct
4	D, F, G, H (B, C)	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
5	E (C)	GUANINE	non-polymer		151.1	1	Chemie (GUN)
6	I (C)	water	water		18.0	1	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	19653.1
Non-Polymers*	Number of molecules	5
	Total formula weight	243.1
All*	Total formula weight	19896.2

*Water molecules are not included.