Two naturally occurring mutations at the first and second bases of codon aspartic acid 156 in the proposed catalytic triad of human lipoprotein lipase. In vivo evidence that aspartic acid 156 is essential for catalysis.

Abstract excerpt

We are studying naturally occurring mutations in the gene for lipoprotein lipase (LPL) to advance our knowledge about the structure/function relationships for this enzyme. We and others have previously described 11 mutations in human LPL gene and until now none of these directly involves any of the residues in the proposed Asp156-His241-Ser132 catalytic triad. Here we report two separate probands who are...

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