Methionylthreonylthreonylglutaminylalanyl...isoleucine 

An obscurely long way to say the protein titin.
(the website did not let me fit the entire thing.)

I am low on the protein Methionylthreonylthreonylglutaminylalanyl...isoleucine

Methionylthreonylthreonylglutaminylalanyl...isoleucine by * (Canada) * User#3690 February 20, 2023

methionylthreonylthreonylglutaminylalanyl(...) isoleucine 

That is a shortening of the longest word in the world

methionylthreonylthreonylglutaminylalanyl(...) isoleucine is a shortening of the longest word in the world

methionylthreonylthreonylglutaminylalanyl(...) isoleucine by Drip man 69 November 7, 2022