3PF5

Crystal structure of Bs-CspB in complex with rU6

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Cold shock protein cspB	polymer	67	7372.1	2	UniProt (P32081) Pfam (PF00313) In PDB	Bacillus subtilis	Major cold shock protein
2	R, S	hexaribouracil (rU6)	polymer	6	1792.0	2
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	178	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	18328.3
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	18352.6

*Water molecules are not included.