1QA6

CRYSTAL STRUCTURE OF A CONSERVED RIBOSOMAL PROTEIN-RNA COMPLEX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C, D	58 NUCLEOTIDE RIBOSOMAL RNA DOMAIN	polymer	58	18725.2	2
2	A, B	RIBOSOMAL PROTEIN L11	polymer	67	7116.4	2	UniProt (P56210) Pfam (PF00298) In PDB	Geobacillus stearothermophilus
3	C, D	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	C, D	OSMIUM ION	non-polymer		190.2	4	Chemie (OS)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	51683.1
Non-Polymers*	Number of molecules	8
	Total formula weight	858.1
All*	Total formula weight	52541.2

*Water molecules are not included.