8R60

1918 H1N1 Viral polymerase heterotrimer in complex with 4 repeat serine-5 phosphorylated PolII peptide

• PDB DOI: https://doi.org/10.2210/pdb8R60/pdb
• EM Map EMD-18945: EMDB EMDataResource
• NAKB: 8R60

• Classification: VIRAL PROTEIN
• Organism(s): Influenza A virus (A/Brevig Mission/1/1918(H1N1)), Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2023-11-19 Released: 2024-03-27 
• Deposition Author(s): Keown, J.R., Carrique, L., Fodor, E., Grimes, J.M.
• Funding Organization(s): Wellcome Trust, Medical Research Council (MRC, United Kingdom)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.23 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

1918 H1N1 Viral polymerase heterotrimer in complex with 4 repeat serine-5 phosphorylated PolII peptide

Keown, J.R., Carrique, L., Fodor, E., Grimes, J.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 285.08 kDa 
• Atom Count: 14,241 
• Modelled Residue Count: 1,730 
• Deposited Residue Count: 2,438 
• Unique protein chains: 4
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polymerase acidic protein	A	716	Influenza A virus (A/Brevig Mission/1/1918(H1N1))	Mutation(s): 0  Gene Names: PA
UniProt
Find proteins for Q3HM39 (Influenza A virus (strain A/Brevig Mission/1/1918 H1N1)) Explore Q3HM39  Go to UniProtKB:  Q3HM39

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Polymerase basic protein 2	B [auth C]	905	Influenza A virus (A/Brevig Mission/1/1918(H1N1))	Mutation(s): 0  Gene Names: PB2
UniProt
Find proteins for Q3HM41 (Influenza A virus (strain A/Brevig Mission/1/1918 H1N1)) Explore Q3HM41  Go to UniProtKB:  Q3HM41

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA polymerase II 4 repeat peptide with serine5 phosphorylation	E [auth X]	28	Homo sapiens	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA-directed RNA polymerase catalytic subunit	F [auth B]	757	Influenza A virus (A/Brevig Mission/1/1918(H1N1))	Mutation(s): 0  Gene Names: PB1 EC: 2.7.7.48
UniProt
Find proteins for Q3HM40 (Influenza A virus (strain A/Brevig Mission/1/1918 H1N1)) Explore Q3HM40  Go to UniProtKB:  Q3HM40

Entity ID: 3
Molecule	Chains	Length	Organism	Image
RNA (5'-R(P*AP*GP*UP*AP*GP*AP*AP*AP*CP*AP*AP*GP*GP*CP*C)-3')	C [auth D]	15	Influenza A virus (A/Brevig Mission/1/1918(H1N1))

Entity ID: 4
Molecule	Chains	Length	Organism	Image
RNA (5'-R(P*GP*GP*CP*CP*UP*GP*CP*U)-3')	D [auth E]	17	Influenza A virus (A/Brevig Mission/1/1918(H1N1))

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	E [auth X]	L-PEPTIDE LINKING	C3 H8 N O6 P		SER

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.23 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-27 
Deposition Author(s): Keown, J.R., Carrique, L., Fodor, E., Grimes, J.M.

---

Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	200835/Z/16/Z
Wellcome Trust	United Kingdom	222510/Z/21/Z
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/R009945/1
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/X008312/1
Wellcome Trust	United Kingdom	060208/Z/00/Z
Wellcome Trust	United Kingdom	093305/Z/10/Z
Wellcome Trust	United Kingdom	203141/Z/16/Z

Revision History  

• Version 1.0: 2024-03-27
  Type: Initial release