2HOM

Crystal structure of an E. coli thi-box riboswitch bound to thiamine monophosphate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	thi-box riboswitch	polymer	83	26798.9	1
2	A	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	A	THIAMIN PHOSPHATE	non-polymer		345.3	1	Chemie (TPS)
5		water	water		18.0	5	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26798.9
Non-Polymers*	Number of molecules	7
	Total formula weight	522.7
All*	Total formula weight	27321.6

*Water molecules are not included.