Wednesday, November 27, 2019

Amino Acid Histidine Flag: His Flag or H Flag

The Histidine flag uses the colours black, white, and blue.  The square blue field indicates it has Nitrogen in its R-Group (2 Nitrogens to be exact).  The four white dots indicate that there are 4 carbons in the R-Group.  Since carbons are the 'most important' atom in living system, they get chief representation in dots in Amino Acid Dice Symbols.  The vertical white and black stripe along the hoist represent the letter H.  The letter H is represented by white and black stripe, because H is the 8th letter of the alphabet and 8 is represented by black in colour metrics.  The four white carbon dots in the corner also indicate that this amino acid has a ring structure, thus making aromatic whereby electrons are shared in dreidel like fashion.

Histidine was first discovered in Germany in 1896 by two doctors: Albrecht Kossel and Sven Gustaf Hedin.  The three letter abbreviation is His, but for gender equity sake you can also use Her.  H is often used as 'proton shuttle' which means its like a UPS delivery relay runner for protons.   

Histamine is the most famous cousin of Histidine, a slightly modified version of the amino acid Her.  After all a female UPS driver can work just as hard and fast a male UPS driver, and without the obsessive need to check sports scores.   


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