1B9S

NOVEL AROMATIC INHIBITORS OF INFLUENZA VIRUS NEURAMINIDASE MAKE SELECTIVE INTERACTIONS WITH CONSERVED RESIDUES AND WATER MOLECULES IN THE ACTIVE SITE

Structural Biology Knowledgebase: 1B9S SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.174

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1B9S

Classification: HYDROLASE

Total Structure Weight: 44054.41

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (NEURAMINIDASE) A 390 Influenza b virus EC#: 3.2.1.18 IUBMB
Gene Name(s): NA

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

A 4-(N-ACETYLAMINO)-3-[N-(2-ETHYLBUTANOYLAMINO)]BENZOIC ACID
C15 H20 N2 O4
USKXJFHTBQWXCS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

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

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
FDI IC50: 670000 nM (99) BindingDB

IC50: 667000 nM  BindingMOAD
IC50: >667000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.174
  • Space Group: P 4 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 124.25 α = 90.00
b = 124.25 β = 90.00
c = 71.38 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-02-15
  • Released Date: 1999-02-26
  • Deposition author(s): Finley, J.B., Atigadda, V.R., Duarte, F., Zhao, J.J., Brouillette, W.J., Air, G.M., Luo, 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