› 1nma

X-ray diffraction
3Å resolution

N9 NEURAMINIDASE COMPLEXES WITH ANTIBODIES NC41 AND NC10: EMPIRICAL FREE-ENERGY CALCULATIONS CAPTURE SPECIFICITY TRENDS OBSERVED WITH MUTANT BINDING DATA

Released:
DOI: 10.2210/pdb1nma/pdb
PDB entry 1nma coloured by chain, front view.
PDB entry 1nma coloured by chain, side view.
PDB entry 1nma coloured by chain, top view.
Source organisms:
Primary publication:
N9 neuraminidase complexes with antibodies NC41 and NC10: empirical free energy calculations capture specificity trends observed with mutant binding data.
Tulip WR, Harley VR, Webster RG, Novotny J
Biochemistry 33 7986-97 (1994)
PMID: 7517697

Function and Biology Details

Reaction catalysed: 
Hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha-(2->8)- glycosidic linkages of terminal sialic acid residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-209250 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (4 distinct):
Neuraminidase Chain: N
Molecule details ›
Chain: N
Length: 388 amino acids
Theoretical weight: 43.64 KDa
Source organism: Influenza A virus
UniProt:
  • Canonical: P05803 (Residues: 83-470; Coverage: 83%)
Gene name: NA
Sequence domains: Neuraminidase
Structure domains: Neuraminidase
FAB NC10 Chain: L
Molecule details ›
Chain: L
Length: 109 amino acids
Theoretical weight: 12.13 KDa
Source organism: Mus musculus
Structure domains: Immunoglobulins
FAB NC10 Chain: H
Molecule details ›
Chain: H
Length: 122 amino acids
Theoretical weight: 13.42 KDa
Source organism: Mus musculus
Structure domains: Immunoglobulins

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer
1 bound ligand:
Ligand NAG 1 x NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: I422
Unit cell:
a: 171.5Å b: 171.5Å c: 160.2Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.2 not available

Quick links

Citations

4 review citations

Prediction of the binding energy for small molecules, peptides and proteins.
Schapira et al. (1999)
3 more

4 mentions without citation

Structure of influenza virus N7: the last piece of the neuraminidase "jigsaw" puzzle.
Sun et al. (2014)
3 more