› 1wbl

X-ray diffraction
2.5Å resolution

WINGED BEAN LECTIN COMPLEXED WITH METHYL-ALPHA-D-GALACTOSE

Released:
DOI: 10.2210/pdb1wbl/pdb
PDB entry 1wbl coloured by chain, front view.
PDB entry 1wbl coloured by chain, side view.
PDB entry 1wbl coloured by chain, top view.
Source organism: Psophocarpus tetragonolobus
Primary publication:
Carbohydrate specificity and quaternary association in basic winged bean lectin: X-ray analysis of the lectin at 2.5 A resolution.
Prabu MM, Sankaranarayanan R, Puri KD, Sharma V, Surolia A, Vijayan M, Suguna K
J Mol Biol 276 787-96 (1998)
PMID: 9500920

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-127671 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Basic agglutinin Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 241 amino acids
Theoretical weight: 26.51 KDa
Source organism: Psophocarpus tetragonolobus
UniProt:
  • Canonical: O24313 (Residues: 2-242; Coverage: 100%)
Gene name: WBAI
Sequence domains: Legume lectin domain
Structure domains: Jelly Rolls

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, FUC
Carbohydrate polymer
Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer
3 bound ligands:
Ligand AMG 4 x AMG
Ligand MN 4 x MN
Ligand CA 4 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 157.585Å b: 91.908Å c: 73.283Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.187 0.259

Quick links

Citations

2 review citations

Lectins.
Vijayan et al. (1999)
1 more

2 mentions without citation

Energetics of galactose- and glucose-aromatic amino acid interactions: implications for binding in galactose-specific proteins.
Sujatha et al. (2004)
1 more