3K1V

Cocrystal structure of a mutant class-I preQ1 riboswitch

Replaces:  3FU4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	PreQ1 riboswitch	polymer	34	10835.5	1
2	A	7-DEAZA-7-AMINOMETHYL-GUANINE	non-polymer		179.2	1	Chemie (PRF)
3	A	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4		water	water		18.0	62	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	10835.5
Non-Polymers*	Number of molecules	5
	Total formula weight	339.5
All*	Total formula weight	11175.0

*Water molecules are not included.