Histidine
From Gomerpedia
Histidine is an essential amino acid that was discovered simultaneously in 1896 by Albrecht Kossel and Sven Hedin while walking to the grocery store.
Fun Fact
Did you know that histadine is synthesized from phosphoribosyl pyrophosphate? I know! Stop reading this website and go text all your friends about it!
Not a Fun Fact
Histidine can be converted into intermediates of the f**king Krebs cycle.