1HC8

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	A, B	RIBOSOMAL PROTEIN L11	polymer	76	8167.5	2	UniProt (P56210) Pfam (PF00298) In PDB	BACILLUS STEAROTHERMOPHILUS
2	C, D	58 NUCLEOTIDE RIBOSOMAL 23S RNA DOMAIN	polymer	58	18885.2	2		ESCHERICHIA COLI
3	D, C	MAGNESIUM ION	non-polymer		24.3	21	Chemie (MG)
4	C, D	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
5	D, C	OSMIUM ION	non-polymer		190.2	4	Chemie (OS)
6		water	water		18.0	13	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	54105.4
Non-Polymers*	Number of molecules	27
	Total formula weight	1349.5
All*	Total formula weight	55454.9

*Water molecules are not included.