4M2Z

Crystal structure of RNASE III complexed with double-stranded RNA and CMP (TYPE II CLEAVAGE)

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)	Ribonuclease 3	polymer	221	26147.4	2	UniProt (O67082) Pfam (PF00636) Pfam (PF00035)	Aquifex aeolicus	Ribonuclease III, RNase III
2	C, D (C, D)	RNA10	polymer	27	8705.2	2		synthetic construct
3	E, F, G, H, J... (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
4	I, L (C, D)	CYTIDINE-5'-MONOPHOSPHATE	non-polymer		323.2	2	Chemie (C5P)
5	M, N, O, P (A, B, C, D)	water	water		18.0	22	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	69705.2
Non-Polymers*	Number of molecules	8
	Total formula weight	792.2
All*	Total formula weight	70497.4

*Water molecules are not included.