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Article
Biosynthesis of glycosaminoglycans: associated disorders and biochemical tests
Glycosaminoglycans (GAG) are long, unbranched heteropolymers with repeating disaccharide units that make up the carbohydrate moiety of proteoglycans. Six distinct classes of GAGs are recognized. Their synthesi...
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Protocol
Radioactive Labeling of Mitochondrial Translation Products in Cultured Cells
The mammalian mitochondrial genome contains 37 genes, 13 of which encode polypeptide subunits in the enzyme complexes of the oxidative phosphorylation system. The other genes encode the rRNAs and tRNAs necessa...
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Article
Mutation in TACO1, encoding a translational activator of COX I, results in cytochrome c oxidase deficiency and late-onset Leigh syndrome
Eric Shoubridge and colleagues report the identification of a mutation in the CCDC44 gene that is causal in a Leigh syndrome pedigree. The CCDC44 gene product, TACO1, is involved in mitochondrial translation and ...
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Protocol
Oxidative Phosphorylation: Synthesis of Mitochondrially Encoded Proteins and Assembly of Individual Structural Subunits into Functional Holoenzyme Complexes
The bulk of ATP consumed by various cellular processes in higher eukaryotes is normally produced by five multimeric protein complexes (I–V) embedded within the inner mitochondrial membrane, in a process known ...