1AQ3

BACTERIOPHAGE MS2 CAPSID 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 (R, S)	RNA (5'-R(*AP*CP*AP*UP*GP*AP*GP*GP*AP*UP*UP*AP*CP*CP*CP*AP*U P*GP*U)-3')	polymer	19	6062.7	2	GenBank (J02467)
2	C, D, E (A, B, C)	PROTEIN (BACTERIOPHAGE MS2 COAT PROTEIN)	polymer	129	13724.4	3	UniProt (P03612) Pfam (PF01819)	Enterobacterio phage MS2
3	F, G, H, I, J (R, S, A, B, C)	water	water		18.0	216	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Ser 59	Thr 59	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	53298.6
All*	Total formula weight	53298.6

*Water molecules are not included.