7XGC

Crystal structure of influenza polymerase acidic subunit N-terminal domain crystallized by ammonium sulfate with glycan

• PDB DOI: https://doi.org/10.2210/pdb7XGC/pdb

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


• Deposited: 2022-04-04 Released: 2022-04-20 
• Deposition Author(s): Guo, Y., Hoshino, T.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.228 
• R-Value Work: 0.205 
• R-Value Observed: 0.206 

Starting Model: experimental

Literature

Influence of Glycan Agents on Protein Crystallization with Ammonium Sulfate

Guo, Y., Hoshino, T.

(2022) Cryst Growth Des 

• DOI: https://doi.org/10.1021/acs.cgd.2c00901

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 22.51 kDa 
• Atom Count: 1,584 
• Modelled Residue Count: 181 
• Deposited Residue Count: 191 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polymerase acidic protein	A	191	Influenza A virus (A/Puerto Rico/8/1934(H1N1))	Mutation(s): 0  Gene Names: PA EC: 3.1
UniProt
Find proteins for P03433 (Influenza A virus (strain A/Puerto Rico/8/1934 H1N1)) Explore P03433  Go to UniProtKB:  P03433

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
MN	C [auth A], D [auth A]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.228 
• R-Value Work: 0.205 
• R-Value Observed: 0.206 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.177	α = 90
b = 66.177	β = 90
c = 125.727	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PDB_EXTRACT	data extraction
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-04-20 
Deposition Author(s): Guo, Y., Hoshino, T.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	21K07050

Revision History  

• Version 1.0: 2022-04-20
  Type: Initial release
  
• Version 1.1: 2022-11-02
  Changes: Database references
• Version 1.2: 2023-11-29
  Changes: Data collection, Refinement description