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1.  A preliminary crystallographic analysis of the putative mevalonate diphosphate decarboxylase from Trypanosoma brucei  
The gene encoding the putative mevalonate diphosphate decarboxylase, an enzyme from the mevalonate pathway of isoprenoid precursor biosynthesis, has been cloned from T. brucei. Recombinant protein has been expressed, purified and highly ordered crystals obtained and characterized to aid the structure–function analysis of this enzyme.
Mevalonate diphosphate decarboxylase catalyses the last and least well characterized step in the mevalonate pathway for the biosynthesis of isopentenyl pyrophosphate, an isoprenoid precursor. A gene predicted to encode the enzyme from Trypanosoma brucei has been cloned, a highly efficient expression system established and a purification protocol determined. The enzyme gives monoclinic crystals in space group P21, with unit-cell parameters a = 51.5, b = 168.7, c = 54.9 Å, β = 118.8°. A Matthews coefficient V M of 2.5 Å3 Da−1 corresponds to two monomers, each approximately 42 kDa (385 residues), in the asymmetric unit with 50% solvent content. These crystals are well ordered and data to high resolution have been recorded using synchrotron radiation.
doi:10.1107/S1744309105014594
PMCID: PMC1952329  PMID: 16511101
decarboxylases; mevalonate biosynthesis; isoprenoids; Trypanosoma

Results 1-1 (1)