3ZQ4

Unusual, dual endo- and exo-nuclease activity in the degradosome explained by crystal structure analysis of RNase J1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, C, D, E)	RIBONUCLEASE J 1	polymer	555	61592.5	4	UniProt (Q45493) Pfam (PF00753) Pfam (PF22505) Pfam (PF07521) Pfam (PF17770)	BACILLUS SUBTILIS	RNASE J1
2	E, F, H, I, L... (A, C, D, E)	ZINC ION	non-polymer		65.4	8	Chemie (ZN)
3	G, J, K, P (A, C, D, E)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	246370.0
Non-Polymers*	Number of molecules	12
	Total formula weight	683.6
All*	Total formula weight	247053.6

*Water molecules are not included.