larger fusion tags such as glutathione s-transferase or maltose-binding protein Affinity purification of GST using MBP mm. (a) Schematic Glutathione S-transferase - Wikipedia
Description
The presence of high concentrations of tyrosine in the locus coeruleus and the substantia nigra leads to increased melanin synthesis which confers on these brain regions a dark bluish coloration observable in brain sections

An animal model of urinary tract infection

Measles is spread when an infected person coughs or sneezes, and its one of the most contagious diseases, per the CDC

They claim it also acts as an artificial electron donor to complex I-IV of the mitochondria
