2BS1

MS2 (N87AE89K mutant) - Qbeta RNA hairpin 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, C	MS2 COAT PROTEIN	polymer	129	13695.5	3	UniProt (P03612) Pfam (PF01819) In PDB	BACTERIOPHAGE MS2
2	R, S	5'-R(*AP*CP*AP*UP*GP*AP*GP*GP*AP*UP *UP*AP*CP*CP*CP*AP*UP*GP*U)-3'	polymer	20	6391.9	2		BACTERIOPHAGE MS2	MS2 HAIRPIN
3		water	water		18.0	156	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 129 (UniProt: P03612)

PDB	External Database	Details
Ala 87	Asn 87	engineered mutation
Lys 89	Glu 89	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	53870.2
All*	Total formula weight	53870.2

*Water molecules are not included.