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Expression of recombinant human methylmalonyl-CoA mutase: in primary mut fibroblasts and Saccharomyces cerevisiae. 1993

E Andrews, and R Jansen, and A M Crane, and S Cholin, and D McDonnell, and F D Ledley
Howard Hughes Medical Institute, Baylor College of Medicine, Houston, Texas 77030.

Methylmalonyl-CoA mutase is an adenosylcobalamin-dependent enzyme which catalyzes isomerization of methylmalonyl-CoA to succinyl-CoA. Previous reports have described cloning and sequencing of a cDNA for human methylmalonyl-CoA mutase. This clone does not express an active apoenzyme after gene transfer into primary MCM-deficient fibroblasts and contains several sequences which differ from the consensus sequence of other cDNA clones. We describe reconstruction of a functional MCM cDNA and expression of recombinant enzyme activity in primary fibroblasts and Saccharomyces cerevisiae. This consensus human MCM cDNA is capable of complementing the inherited defect in mut MMA and overexpressing an enzyme in yeast with kinetic properties indistinguishable from the enzyme in murine or human tissues.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008765 Methylmalonyl-CoA Mutase An enzyme that catalyzes the conversion of methylmalonyl-CoA to succinyl-CoA by transfer of the carbonyl group. It requires a cobamide coenzyme. A block in this enzymatic conversion leads to the metabolic disease, methylmalonic aciduria. EC 5.4.99.2. Methylmalonyl-CoA Isomerase,Isomerase, Methylmalonyl-CoA,Methylmalonyl CoA Isomerase,Methylmalonyl CoA Mutase,Mutase, Methylmalonyl-CoA
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D003038 Cobamides Deoxyadenosinecobalamins,Vitamin B 12 Coenzymes,Vitamin B12 Coenzymes,B12 Coenzymes, Vitamin,Coenzymes, Vitamin B12
D005347 Fibroblasts Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules. Fibroblast
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000214 Acyl Coenzyme A S-Acyl coenzyme A. Fatty acid coenzyme A derivatives that are involved in the biosynthesis and oxidation of fatty acids as well as in ceramide formation. Acyl CoA,Fatty Acyl CoA,Long-Chain Acyl CoA,Acyl CoA, Fatty,Acyl CoA, Long-Chain,CoA, Acyl,CoA, Fatty Acyl,CoA, Long-Chain Acyl,Coenzyme A, Acyl,Long Chain Acyl CoA
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein

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