1MIW

Crystal structure of Bacillus stearothermophilus CCA-adding enzyme in complex with ATP

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)	tRNA CCA-adding enzyme	polymer	404	45902.2	2	UniProt (Q7SIB1) Pfam (PF01743) Pfam (PF12627) Pfam (PF13735)	Geobacillus stearothermophilus
2	C, D, F, G (A, B)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	E, H (A, B)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
4	I, J (A, B)	water	water		18.0	42	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	91804.5
Non-Polymers*	Number of molecules	6
	Total formula weight	1111.6
All*	Total formula weight	92916.0

*Water molecules are not included.