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Efforts to map the human protein interactome have resulted in information about thousands of multi-protein assemblies housed in public repositories, but the molecular characterization and stoichiometry of their protein subunits remains largely unknown. Here, we report a computational search strategy that supports hierarchical top-down analysis for precise(More)
The biosynthesis of nitriles is known to occur through specialized pathways involving multiple enzymes; however, in bacterial and archeal biosynthesis of 7-deazapurines, a single enzyme, ToyM, catalyzes the conversion of the carboxylic acid containing 7-carboxy-7-deazaguanine (CDG) into its corresponding nitrile, 7-cyano-7-deazaguanine (preQ0 ). The(More)
Nitrile hydratase metalloenzymes are unique and important biocatalysts that are used industrially to produce high value amides from their corresponding nitriles. After more than three decades since their discovery, the mechanism of this class of enzymes is becoming clear with evidence from multiple recent studies that the cysteine-derived sulfenato ligand(More)
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