2GDI

Crystal structure of thiamine pyrophosphate-specific riboswitch in complex with thiamine pyrophosphate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (X, Y)	TPP riboswitch	polymer	80	26042.2	2
2	C, D (X)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
3	E, F, G (X)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
4	H, I, J, L, M... (X, Y)	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
5	K, O (X, Y)	THIAMINE DIPHOSPHATE	non-polymer		425.3	2	Chemie (TPP)
6	P, Q (X, Y)	water	water		18.0	312	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52084.5
Non-Polymers*	Number of molecules	13
	Total formula weight	1159.7
All*	Total formula weight	53244.2

*Water molecules are not included.