2QWC

THE X-RAY STRUCTURE OF A COMPLEX OF NEU5AC2EN AND A DRUG RESISTANT VARIANT R292K OF TERN N9 INFLUENZA VIRUS NEURAMINIDASE

Structural Biology Knowledgebase: 2QWC SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed: 0.173

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2QWC

Classification: HYDROLASE

Total Structure Weight: 45948.24

Macromolecule Entities
Molecule Chains Length Organism Details
NEURAMINIDASE A 388 Influenza a virus EC#: 3.2.1.18 IUBMB
Fragment: RESIDUES 82 - 468
Mutation: R292K
Details: INTEGRAL MEMBRANE PROTEIN, MEMBRANE BOUND STALK CLEAVED BY PRONASE, RELEASING FULLY ACTIVE HEAD WITH RESIDUES 82 - 468
Gene Name(s): NA

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DAN
Query on DAN

A 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID
C11 H17 N O8
JINJZWSZQKHCIP-UFGQHTETSA-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)
BMA
Query on BMA

A BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAN
Query on MAN

A ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-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 %)
DAN IC50: 13000 nM (99) BindingDB

Ki: 280000 nM  BindingMOAD
Ki: 280000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed: 0.173
  • Space Group: I 4 3 2

Unit Cell:

Length (Å) Angle (°)
a = 180.80 α = 90.00
b = 180.80 β = 90.00
c = 180.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-04-07
  • Released Date: 1998-11-11
  • Deposition author(s): Varghese, J.N.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4