and dehydrogenases oxidize a substrate by removing hydrogen atoms. As a general rule, the "-ase" suffix identifies a protein as an enzyme, whereas the first part of an enzyme's name refers to the ...

The structure of a vancomycin biosynthetic enzyme in complex with a substrate analog, and with molecular oxygen bound in its active site, supports the idea that cofactor-independent oxygenases act ...

In an organism, the active site of each enzyme is a different shape. It is a perfect match to the shape of the substrate molecule, or molecules. This is essential to the enzyme being able to work.