6XQB

SARS-CoV-2 RdRp/RNA complex

Replaces:  6X2G

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA-directed RNA polymerase	polymer	941	107983.3	1	UniProt (P0DTD1) Pfam (PF06478) Pfam (PF00680) In PDB	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)	NSP12
2	B, D	Non-structural protein 8	polymer	207	23105.4	2	UniProt (P0DTD1) Pfam (PF08717) In PDB	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)	NSP8
3	C	Non-structural protein 7	polymer	92	10451.2	1	UniProt (P0DTD1) Pfam (PF08716) In PDB	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)	NSP7
4	E, F	RNA (5'-R(*GP*UP*GP*GP*GP*CP*CP*CP*A)-3')	polymer	9	2886.8	2		Severe acute respiratory syndrome coronavirus 2
5	A	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
6	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)

Sequence modifications

A: 1 - 932 (UniProt: P0DTD1)

PDB	External Database	Details
Met 0	-	initiating methionine
Leu 933	-	expression tag
Glu 934	-	expression tag
His 935	-	expression tag
His 936	-	expression tag
His 937	-	expression tag
His 938	-	expression tag
His 939	-	expression tag
His 940	-	expression tag

B, D: 1 - 198 (UniProt: P0DTD1)

PDB	External Database	Details
Met 0	-	initiating methionine
Leu 199	-	expression tag
Glu 200	-	expression tag
His 201	-	expression tag
His 202	-	expression tag
His 203	-	expression tag
His 204	-	expression tag
His 205	-	expression tag
His 206	-	expression tag

C: 1 - 83 (UniProt: P0DTD1)

PDB	External Database	Details
Met 0	-	initiating methionine
Leu 84	-	expression tag
Glu 85	-	expression tag
His 86	-	expression tag
His 87	-	expression tag
His 88	-	expression tag
His 89	-	expression tag
His 90	-	expression tag
His 91	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	170418.8
Non-Polymers*	Number of molecules	3
	Total formula weight	155.1
All*	Total formula weight	170574.0

*Water molecules are not included.