4U6O

STRUCTURE OF THE CAP-BINDING DOMAIN OF INFLUENZA VIRUS POLYMERASE SUBUNIT PB2

• PDB DOI: https://doi.org/10.2210/pdb4U6O/pdb

• Classification: TRANSCRIPTION
• Organism(s): Influenza A virus (A/Puerto Rico/8/1934(H1N1))
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-07-29 Released: 2015-10-07 
• Deposition Author(s): Fukushima, K., Takimoto-Kamimura, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.227 
• R-Value Work: 0.209 
• R-Value Observed: 0.210 

Literature

STRUCTURE OF THE CAP-BINDING DOMAIN OF INFLUENZA VIRUS POLYMERASE SUBUNIT PB2

Fukushima, K., Takimoto-Kamimura, M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 37.97 kDa 
• Atom Count: 3,012 
• Modelled Residue Count: 322 
• Deposited Residue Count: 332 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polymerase basic protein 2	A, B	166	Influenza A virus (A/Puerto Rico/8/1934(H1N1))	Mutation(s): 0  Gene Names: PB2
UniProt
Find proteins for P03428 (Influenza A virus (strain A/Puerto Rico/8/1934 H1N1)) Explore P03428  Go to UniProtKB:  P03428

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A], D [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.227 
• R-Value Work: 0.209 
• R-Value Observed: 0.210 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.218	α = 90
b = 64.377	β = 91.04
c = 64.765	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data reduction
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-10-07 
Deposition Author(s): Fukushima, K., Takimoto-Kamimura, M.

Revision History  

• Version 1.0: 2015-10-07
  Type: Initial release
  
• Version 1.1: 2017-08-30
  Changes: Data collection, Derived calculations
• Version 1.2: 2017-10-04
  Changes: Data collection
• Version 1.3: 2024-03-20
  Changes: Data collection, Database references