mTOR can mean - the molecule or the processes running off the...

mTOR can mean - the molecule or the processes running off the molecule.
So does the molecule loosely resemble anything ... a brain ...

mTOR is an unusually big molecule, is highly conserved, is complex and anywhere from a central controller to the central cellular controller.

That it is a controller and about 300 kilodaltons big, guarantees it is important. Because of the way evolution works, the snowball effect will operate here:

In a control molecule, the presence of many close reaction sites exponentially increases the chances of evolution periodically hitting on favourable interconnections that make the molecule more interactive and responsive - feedback is added, then feedback on feedback, then cross-links to other processes ...The bigger it becomes, the more biased it is to hitting more successful connections ... so the bigger it becomes ...

mTOR remains of front and centre interest today
Sjöberg Prize 2020
The two pioneers are honoured. Both remain at the forefront but listen to how enthusiastic all researchers are
https://youtu.be/nFqsPWpvJzk