6CK5

PRPP riboswitch from T. mathranii bound to PRPP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	PRPP riboswitch	polymer	117	37694.3	2	GenBank (296841273)	Thermoanaerobacter mathranii
2	AA, C, D, E, F... (B, A)	BARIUM ION	non-polymer		137.3	20	Chemie (BA)
3	BA, CA, DA, EA, FA... (B, A)	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG)
4	GA, HA, R (B, A)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
5	IA, S (B, A)	1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose	non-polymer		390.1	2	Chemie (PRP)
6	JA, KA (A, B)	water	water		18.0	52	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	75388.6
Non-Polymers*	Number of molecules	33
	Total formula weight	3838.4
All*	Total formula weight	79227.0

*Water molecules are not included.