3MD2

Crystal structure of the matrix protein 1 from influenza A virus (A/California/04/2009 (H1N1))

• PDB DOI: https://doi.org/10.2210/pdb3MD2/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Influenza A virus (A/California/04/2009(H1N1))
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-03-29 Released: 2010-04-28 
• Deposition Author(s): Liu, Q., Kloss, B., Skowronski, E.S., Height, J., Love, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.256 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.212 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.214 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of the matrix protein 1 from influenza A virus (A/California/04/2009 (H1N1))

Liu, Q., Kloss, B., SKOWRONSKI, E.S., Height, J., Love, J.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 68.93 kDa 
• Atom Count: 4,497 
• Modelled Residue Count: 568 
• Deposited Residue Count: 628 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
matrix protein 1	A, B, C, D	157	Influenza A virus (A/California/04/2009(H1N1))	Mutation(s): 0  Gene Names: M1
UniProt
Find proteins for D3TEK8 (Influenza A virus) Explore D3TEK8  Go to UniProtKB:  D3TEK8

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.256 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.212 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.214 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 29.246	α = 89.98
b = 37.748	β = 90
c = 122.221	γ = 112.53

Software Package:

Software Name	Purpose
ADSC	data collection
MOLREP	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-04-28 
Deposition Author(s): Liu, Q., Kloss, B., Skowronski, E.S., Height, J., Love, J.

Revision History  

• Version 1.0: 2010-04-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Refinement description