2BER

Y370G Active Site Mutant of the Sialidase from Micromonospora viridifaciens in complex with beta-Neu5Ac (sialic acid).


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.199
  • R-Value Work: 0.140

Literature

Macromolecules
Sequence Display for 2BER

Classification: HYDROLASE

Total Structure Weight: 64524.77

Macromolecule Entities
Molecule Chains Length Organism Details
BACTERIAL SIALIDASE A 601 Micromonospora viridifaciens EC#: 3.2.1.18 IUBMB
Fragment: RESIDUES 47-647
Mutation: Y370G
Gene Name(s): nedA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A 5-N-ACETYL-BETA-D-NEURAMINIC ACID
BETA-SIALIC ACID (Synonym)
C11 H19 N O9
SQVRNKJHWKZAKO-PFQGKNLYSA-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: 1.8 Å
  • R-Value Free: 0.199
  • R-Value Work: 0.140
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 55.44 α = 90.00
b = 49.53 β = 101.74
c = 107.04 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-11-30
  • Released Date: 2005-04-04
  • Deposition author(s): Newstead, S., Watson, J.N., Bennet, A.J., Taylor, G.L.

Revision History

  • Version 1_0: 2005-04-04

    Type: Initial release

  • Version 1_1: 2011-05-08

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance