a.a. H stands for various terms. Discover the full forms, meanings, and possible interpretations of a.a. H across different fields and industries.
Histidine is an α-amino acid with an imidazole functional group. It is one of the 23 proteinogenic amino acids. Its codons are CAU and CAC. Histidine was first isolated by German physician Albrecht Kossel in 1896. Histidine is an essential amino acid in humans and other mammals. It was initially thought that it was only essential for infants, but longer-term studies established that it is also essential for adult humans.
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