1NSB

THE 2.2 ANGSTROMS RESOLUTION CRYSTAL STRUCTURE OF INFLUENZA B NEURAMINIDASE AND ITS COMPLEX WITH SIALIC ACID

Structural Biology Knowledgebase: 1NSB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.148

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1NSB

Classification: HYDROLASE(O-GLYCOSYL)

Total Structure Weight: 87421.86

Macromolecule Entities
Molecule Chains Length Organism Details
NEURAMINIDASE A, B 390 Influenza b virus EC#: 3.2.1.18 IUBMB
Gene Name(s): NA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.148
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 88.90 α = 90.00
b = 88.90 β = 90.00
c = 222.80 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1991-08-08
  • Released Date: 1993-10-31
  • Deposition author(s): Burmeister, W.P., Ruigrok, R.W.H., Cusack, S.

Revision History

  • 2011-11-16
    Type: Atom occupancy | Details: Atom occupancy
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values