› 3ujq

X-ray diffraction
2.06Å resolution

Galactose-specific lectin from Dolichos lablab in complex with galactose

Released:
DOI: 10.2210/pdb3ujq/pdb
PDB entry 3ujq coloured by chain, front view.
PDB entry 3ujq coloured by chain, side view.
PDB entry 3ujq coloured by chain, top view.
Source organism: Lablab purpureus
Primary publication:
Affinity of a galactose-specific legume lectin from Dolichos lablab to adenine revealed by X-ray cystallography.
Shetty KN, Latha VL, Rao RN, Nadimpalli SK, Suguna K
IUBMB Life 65 633-44 (2013)
PMID: 23794513

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-109825 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Lectin alpha chain Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 281 amino acids
Theoretical weight: 30.45 KDa
Source organism: Lablab purpureus
UniProt:
  • Canonical: B3EWQ9 (Residues: 1-281; Coverage: 100%)
Sequence domains: Legume lectin domain
Structure domains: Jelly Rolls

Ligands and Environments

5 bound ligands:
Ligand GAL 4 x GAL
Ligand EDO 5 x EDO
Ligand CA 4 x CA
Ligand MN 4 x MN
Ligand PEG 3 x PEG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P32
Unit cell:
a: 89.99Å b: 89.99Å c: 125.08Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.199 0.196 0.246

Quick links

Citations

2 review citations

Are Dietary Lectins Relevant Allergens in Plant Food Allergy?
Barre et al. (2020)
1 more