Histidine

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Identification

Molecular formula
C6H9N3O2
CAS Number
71-00-1
IUPAC Name
2-amino-3-(1H-imidazol-5-yl)propanoic acid
Molecular Weight
155.16g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
1.4100g/cm3
Synonyms
DL-HISTIDINE
Interesting facts

Interesting Facts about 2-amino-3-(1H-imidazol-5-yl)propanoic acid

2-amino-3-(1H-imidazol-5-yl)propanoic acid, also known as histidine, is an essential amino acid that plays a crucial role in various biological processes. Here are some fascinating insights into this compound:

  • Biological Significance: Histidine is pivotal for the biosynthesis of proteins—serving as a building block for numerous enzymes and hormones within the body.
  • Buffering Agent: This amino acid possesses a side chain that can easily accept or donate protons, making it an effective buffering agent, particularly in the blood where it helps maintain pH balance.
  • Neurotransmitter Role: Histidine is integral in the synthesis of neurotransmitters such as histamine, which is pivotal in immune responses and acts as a neurotransmitter, impacting functions like gastric secretion and sleep-wake cycles.
  • Dietary Source: It can be obtained from dietary sources such as meat, fish, dairy products, and certain grains. Deficiency in histidine might lead to various health issues, including cognitive dysfunctions.
  • Histidine and Health: Studies suggest that supplementation with histidine may have potential benefits, including promoting muscle recovery and enhancing exercise performance.

In summary, 2-amino-3-(1H-imidazol-5-yl)propanoic acid is not just an ordinary amino acid; it is a remarkable compound with significant roles in metabolism, immune response, and neurotransmission. Its multifaceted properties and contributions to human health make it a topic of keen interest in both biochemical and clinical research.

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