Category Function Examples Structural Forms supporting ... forms spindle fibres during mitosis and Keratin: the protein that makes up hair and nails Enzymes Catalyse biological reactions ATPase ...
Following translation the polypeptide chain must fold to form a functional protein; for example, to function as an enzyme the polypeptide chain must fold correctly to produce a functional active site.
This is not true of the enzymes in all organisms. Each enzyme is made from proteins made of these twisting and folding amino acids, and therefore the enzyme has a unique shape. This structure is ...
For example, structural proteins maintain cell shape, akin to a skeleton, and they compose structural elements in connective tissues like cartilage and bone in vertebrates. Enzymes are another ...
But what happens if an enzyme is missing or doesn’t work the way it’s supposed to? One example is phenylketonuria (or PKU), a rare inherited disease where the body lacks the enzyme to process proteins ...