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1.  Crystallization and preliminary X-ray crystallographic analysis of a galactose-specific lectin from Dolichos lablab  
The galactose-specific lectin from the seeds of a leguminous plant, D. lablab, has been crystallized. Molecular-replacement solution using 3.0 Å X-ray diffraction data showed the lectin to be a tetramer.
The galactose-specific lectin from the seeds of Dolichos lablab has been crystallized using the hanging-drop vapour-diffusion technique. The crystals belong to space group P1, with unit-cell parameters a = 73.99, b = 84.13, c = 93.15 Å, α = 89.92, β = 76.01, γ = 76.99°. X-ray diffraction data to a resolution of 3.0 Å have been collected under cryoconditions (100 K) using a MAR imaging-plate detector system mounted on a rotating-anode X-ray generator. Molecular-replacement calculations carried out using the available structures of legume lectins as search models revealed that the galactose-specific lectin from D. lablab forms a tetramer similar to soybean agglutinin; two such tetramers are present in the asymmetric unit.
PMCID: PMC2150945  PMID: 16511291
Dolichos lablab; galactose-specific lectins; legume lectins

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