1W8N

Contribution of the Active Site Aspartic Acid to Catalysis in the Bacterial Neuraminidase from Micromonospora viridifaciens.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.166

Literature

Macromolecules
Sequence Display for 1W8N

Classification: HYDROLASE

Total Structure Weight: 64735.00

Macromolecule Entities
Molecule Chains Length Organism Details
BACTERIAL SIALIDASE A 601 Micromonospora viridifaciens EC#: 3.2.1.18 IUBMB
Fragment: RESIDUES 47-647
Mutation: D92G
Gene Name(s): nedA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DAN
Query on DAN

A 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID
C11 H17 N O8
JINJZWSZQKHCIP-UFGQHTETSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GAL
Query on GAL

A BETA-D-GALACTOSE
C6 H12 O6
WQZGKKKJIJFFOK-FPRJBGLDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.166
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 46.60 α = 90.00
b = 111.61 β = 90.00
c = 143.87 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-09-24
  • Released Date: 2004-09-30
  • Deposition author(s): Newstead, S., Watson, J.N., Dookhun, V., Bennet, A.J., Taylor, G.

Revision History

  • Version 1_0: 2004-09-30

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Advisory, Version format compliance

  • Version 1_2: 2017-07-05

    Type: Data collection