2NUG

Crystal structure of RNase III from Aquifex aeolicus complexed with ds-RNA at 1.7-Angstrom Resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (C, D)	5'-R(P*AP*AP*GP*GP*UP*CP*AP*UP*UP*CP*G)-3'	polymer	11	3507.1	2
2	B, D (E, F)	5'-R(P*AP*GP*UP*GP*GP*CP*CP*UP*UP*GP*C)-3'	polymer	11	3499.1	2
3	E, F (A, B)	Ribonuclease III	polymer	221	26147.4	2	UniProt (O67082) Pfam (PF00636) Pfam (PF00035)	Aquifex aeolicus	RNase III
4	G, H, I, J, K... (C, E, D, F, A...)	MAGNESIUM ION	non-polymer		24.3	19	Chemie (MG)
5	AA, BA, CA, DA, EA... (E, D, F, A, B...)	water	water		18.0	445	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	66307.3
Non-Polymers*	Number of molecules	19
	Total formula weight	461.8
All*	Total formula weight	66769.1

*Water molecules are not included.