2W20

STRUCTURE OF THE CATALYTIC DOMAIN OF THE NATIVE NANA SIALIDASE FROM STREPTOCOCCUS PNEUMONIAE

Structural Biology Knowledgebase: 2W20 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.49 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.200

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2W20

Classification: HYDROLASE

Total Structure Weight: 106668.66

Macromolecule Entities
Molecule Chains Length Organism Details
SIALIDASE A A, B 471 Streptococcus pneumoniae EC#: 3.2.1.18 IUBMB
Fragment: CATALYTIC DOMAIN, RESIDUES 321-791
Gene Name(s): nanA spr1536

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

A, B 2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A, B CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.49 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.200
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 47.20 α = 90.00
b = 96.60 β = 90.00
c = 218.20 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2008-10-21
  • Released Date: 2008-12-23
  • Deposition author(s): Xu, G., Andrew, P.W., Taylor, G.L.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4