3Q0A

X-ray crystal structure of the transcription initiation complex of the N4 mini-vRNAP with P2 promoter: Mismatch complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, B)	Virion RNA polymerase	polymer	1118	123193.5	2	UniProt (Q859P9) Pfam (PF21867) Pfam (PF21624) Pfam (PF21894) Pfam (PF21769)	Enterobacteria phage N4 (Bacteriophage N4)
2	B, D (C, D)	DNA (5'-D(*TP*GP*CP*CP*TP*CP*CP*CP*AP*GP*GP*CP*A*GP*TP*CP*AP*AP*AP*AP*GP*AP*AP*GP*CP*GP*GP*AP*GP*CP*TP*TP*CP*TP*TP*C)-3')	polymer	36	11047.1	2
3	E, G (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4) PubChem (1061)
4	F, H (C, D)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	2	Chemie (GTP) PubChem (177679032) PubChem (135400627) PubChem (135487750) PubChem (136088935) PubChem (136803486) PubChem (135398633) PubChem (135544356) PubChem (135547949) PubChem (135600366) PubChem (135749822) PubChem (136005188) PubChem (136073923) PubChem (136240914) PubChem (136664747) PubChem (136772743) PubChem (136772744) PubChem (136803487) PubChem (137286749) PubChem (164715984) PubChem (171699466)
5	I, J, K, L (A, C, B, D)	water	water		18.0	234	Chemie (HOH)

Sequence modifications

A, B: 1 - 1106 (UniProt: Q859P9)

PDB	External Database	Details
Met -11	-	expression tag
Gly -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Arg -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	268481.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1236.3
All*	Total formula weight	269717.5

*Water molecules are not included.