1A4Q

INFLUENZA VIRUS B/BEIJING/1/87 NEURAMINIDASE COMPLEXED WITH DIHYDROPYRAN-PHENETHYL-PROPYL-CARBOXAMIDE

Structural Biology Knowledgebase: 1A4Q SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.201

Literature

Macromolecules
Sequence Display for 1A4Q

Classification: HYDROLASE

Total Structure Weight: 88200.76

Macromolecule Entities
Molecule Chains Length Organism Details
NEURAMINIDASE A, B 390 Influenza b virus EC#: 3.2.1.18 IUBMB
Fragment: RESIDUES 76-465
Gene Name(s): NA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B 5-ACETYLAMINO-4-AMINO-6-(PHENETHYL-PROPYL- CARBAMOYL)-5,6-DIHYDRO-4H-PYRAN-2-CARBOXYLIC ACID
C20 H27 N3 O5
ZNRGSYNQOLEMKF-CGTJXYLNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

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

A, B CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
DPC IC50: 2000 - 3600 nM (94) BindingDB

IC50: 3600 nM  BindingMOAD
IC50: 3600 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.201
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 88.30 α = 90.00
b = 88.30 β = 90.00
c = 221.10 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-01-30
  • Released Date: 1999-03-02
  • Deposition author(s): Cleasby, A., Singh, O., Skarzynski, T., Wonacott, A.J.

Revision History

  • 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