› 2gn7

X-ray diffraction
2.9Å resolution

Metal-free (apo) P. angolensis seed lectin in complex with Man-alpha(1-3)Man-alpha(1-6)Man

Released:
DOI: 10.2210/pdb2gn7/pdb
PDB entry 2gn7 coloured by chain, front view.
PDB entry 2gn7 coloured by chain, side view.
PDB entry 2gn7 coloured by chain, top view.
Source organism: Pterocarpus angolensis
Primary publication:
Interplay between metal binding and cis/trans isomerization in legume lectins: structural and thermodynamic study of P. angolensis lectin.
Garcia-Pino A, Buts L, Wyns L, Loris R
J Mol Biol 361 153-67 (2006)
PMID: 16824540

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-184567 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Legume lectin domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 252 amino acids
Theoretical weight: 27.56 KDa
Source organism: Pterocarpus angolensis
UniProt:
  • Canonical: Q8GSD2 (Residues: 9-260; Coverage: 97%)
Sequence domains: Legume lectin domain
Structure domains: Jelly Rolls

Ligands and Environments

Carbohydrate polymer : NEW Components: MAN, BMA
Carbohydrate polymer
1 bound ligand:
Ligand MAN 1 x MAN
1 modified residue:
Ligand PCA 2 x PCA

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P212121
Unit cell:
a: 58.156Å b: 61.388Å c: 128.327Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.237 0.233 0.311

Quick links

Citations

6 citation in other articles

Molecular Basis for Recognition of the Cancer Glycobiomarker, LacdiNAc (GalNAc[β1→4]GlcNAc), by Wisteria floribunda Agglutinin.
Haji-Ghassemi et al. (2016)
5 more

1 mention without citation

Overview of the Structure⁻Function Relationships of Mannose-Specific Lectins from Plants, Algae and Fungi.
Barre et al. (2019)