1W21: Structure of Neuraminidase from English duck subtype N6 complexed with 30 mM sialic acid (NANA, Neu5Ac), crystal soaked for 43 hours at 291 K

PDB ID: 1W21Download
MMDB ID: 36913
PDB Deposition Date: 2004/6/25
Updated in MMDB: 2023/12
Experimental Method:
x-ray diffraction
Resolution: 2.08  Å
Source Organism:
Similar Structures:
Biological Unit for 1W21: tetrameric; determined by author and by software (PQS)
Molecular Components in 1W21
Label Count Molecule
Proteins (4 molecules)
4
Neuraminidase
Molecule annotation
Chemicals and Non-standard biopolymers (43 molecules)
1
12
2-acetamido-2-deoxy-beta-D-glucopyranose2-acetamido-2-deoxy-beta-D-glucopyranose
2
4
beta-D-mannopyranosebeta-D-mannopyranose
3
11
alpha-D-mannopyranosealpha-D-mannopyranose
4
8
N-acetyl-alpha-neuraminic acidN-acetyl-alpha-neuraminic acid
5
4
GLYCEROLGLYCEROL
6
4
CALCIUM IONCALCIUM ION
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303