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The mechanism for a critical step in intron recognition has recently been revealed by the structure of the RNA binding domain of splicing factor 1 bound to intronic RNA.
The sulfhydryl oxidase Erv2p generates disulfides from oxygen in an FAD-dependent process. The structure of Erv2p shows that during this reaction, a dramatic movement of the enzyme's C-terminal arm occurs.
The structure of a bacterial cocaine esterase provides important new insight into the selectivity of the carboxylesterase enzyme family and the information gained from this work could lead to improved catalytic antibody-based therapies for cocaine toxicity.
