11GO

Cryo-EM structure of the bacteriophage N4 virion RNA polymerase (transcription initiation complex)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Virion DNA-directed RNA polymerase	polymer	3296	359891.3	1	UniProt (Q859P9)	Escherichia phage N4	vRNAP,Gene product 50,gp50
2	B (C)	DNA (5'-D(P*AP*AP*CP*CP*AP*AP*AP*AP*GP*AP*AP*GP*CP*GP*GP*AP*GP*CP*TP*TP*CP*T)-3')	polymer	44	13615.8	1		synthetic construct
3	C, D (A)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	2	Chemie (GTP)
4	E (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG) PubChem (888)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	373507.1
Non-Polymers*	Number of molecules	3
	Total formula weight	1070.7
All*	Total formula weight	374577.7

*Water molecules are not included.