期刊
ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY COMMUNICATIONS
卷 61, 期 -, 页码 1094-1096出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1744309105037991
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资金
- Medical Research Council [G116/165, G0500367] Funding Source: Medline
- Medical Research Council [G116/165] Funding Source: researchfish
- MRC [G116/165] Funding Source: UKRI
The human C-type lectin-like protein CLEC-2 has recently been shown to be expressed on the surface of platelets and to function as a receptor for the snake-venom protein rhodocytin. The C-type lectin-like domain (CTLD) of CLEC-2 was expressed in Escherichia coli, refolded and purified. Crystals of this recombinant CLEC-2 were grown by sitting-drop vapour diffusion using polyethylene glycol ( PEG) 6000 as a precipitant. After optimization, crystals were grown which diffracted to 2.0 angstrom using in-house radiation (lambda = 1.5418 angstrom). These crystals belonged to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 35.407, b = 55.143, c = 56.078 angstrom. The presence of one molecule per asymmetric unit is consistent with a crystal volume per unit weight (V-M) of 1.82 angstrom(3) Da(-1) and a solvent content of 32.6%. These results suggest that crystals producing diffraction of this quality will be suitable for the structural determination of human CLEC-2.
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