The team will now try to produce a smaller, active molecule which works the same way.

BBC: Pine cone source for stroke drug

There are two pieces of the Celexa molecule that may be active in the body, but only one of them seems to be involved in helping to relieve symptoms of depression.

FORBES: Forest Bears Fruit

Using this data, Adams in 1995 concocted an unusual boron molecule that snuggled into one of the enzyme's active sites and blocked its function.

FORBES: Magazine Article