Article
Structural effects of a dimer interface mutation on catalytic activity of triosephosphate isomerase. The role of conserved residues and complementary mutations.
The FEBS journal - 1 Aug 2009
Banerjee Mousumi, Balaram Hemalatha, Balaram Padmanabhan
Abstract excerpt
The active site of triosephosphate isomerase (TIM, EC: 5.3.1.1), a dimeric enzyme, lies very close to the subunit interface. Attempts to engineer monomeric enzymes have yielded well-folded proteins with dramatically reduced activity. The role of dimer interface residues in the stability and activity of the Plasmodium falciparum enzyme, PfTIM, has been probed by analysis of mutational effects at residue 74. The...
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