7AF2

Salmonella typhimurium neuraminidase mutant (D62G)

• PDB DOI: https://doi.org/10.2210/pdb7AF2/pdb

• Classification: HYDROLASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2020-09-19 Released: 2020-09-30 
• Deposition Author(s): Salinger, M.T., Kuhn, P., Laver, W.G., Pape, T., Schneider, T.R., Sheldrick, G.M., Vimr, E.R., Garman, E.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.79 Å
• R-Value Free: 0.132 
• R-Value Work: 0.121 

Literature

Salmonella typhimurium neuraminidase mutant (D62G)

Garman, E.F., Salinger, M.T., Laver, W.G., Kuhn, P., Pape, T., Schneider, T.R., Sheldrick, G.M., Vimr, E.R.

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)

Macromolecule Content

• Total Structure Weight: 42.29 kDa 
• Atom Count: 3,868 
• Modelled Residue Count: 379 
• Deposited Residue Count: 379 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sialidase	A [auth AAA]	379	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 1  Gene Names: nanH, STM0928 EC: 3.2.1.18
UniProt
Find proteins for P29768 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P29768  Go to UniProtKB:  P29768

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	F [auth AAA]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
GOL	B [auth AAA], C [auth AAA], D [auth AAA], E [auth AAA], G [auth AAA]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.79 Å
• R-Value Free: 0.132 
• R-Value Work: 0.121 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.914	α = 90
b = 81.357	β = 90
c = 91.053	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-09-30 
Deposition Author(s): Salinger, M.T., Kuhn, P., Laver, W.G., Pape, T., Schneider, T.R., Sheldrick, G.M., Vimr, E.R., Garman, E.F.

Revision History  

• Version 1.0: 2020-09-30
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description