1NNB

THREE-DIMENSIONAL STRUCTURE OF INFLUENZA A N9 NEURAMINIDASE AND ITS COMPLEX WITH THE INHIBITOR 2-DEOXY 2,3-DEHYDRO-N-ACETYL NEURAMINIC ACID

Structural Biology Knowledgebase: 1NNB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.179

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1NNB

Classification: HYDROLASE(O-GLYCOSYL)

Total Structure Weight: 43898.24

Macromolecule Entities
Molecule Chains Length Organism Details
NEURAMINIDASE A 387 Influenza a virus EC#: 3.2.1.18 IUBMB
Gene Name(s): NA

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

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
DAN
Query on DAN

A 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID
C11 H17 N O8
JINJZWSZQKHCIP-UFGQHTETSA-N
Ligand Explorer
 
JSmol
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
DAN IC50: 13000 nM (100) BindingDB

N/A in BindingMoad
Ki: 10000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.179
  • Space Group: I 4 3 2

Unit Cell:

Length (Å) Angle (°)
a = 183.78 α = 90.00
b = 183.78 β = 90.00
c = 183.78 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-03-08
  • Released Date: 1994-04-30
  • Deposition author(s): Bossart-Whitaker, P., Carson, M., Babu, Y.S., Smith, C.D., Laver, W.G., Air, G.M.

Revision History

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