1MIV

Crystal structure of Bacillus stearothermophilus CCA-adding enzyme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	tRNA CCA-adding enzyme	polymer	404	45902.2	2	UniProt (Q7SIB1) Pfam (PF01743) Pfam (PF12627) Pfam (PF13735) In PDB	Geobacillus stearothermophilus
2	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3		water	water		18.0	36	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	91804.5
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	91853.1

*Water molecules are not included.