Amino acid

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amino acid(s)

  • アミノ酸(日本語)
  • (Español)

解説

  • アミノ酸は,アミノ基(-NH₂)とカルボキシル基(-COOH)の両方の官能基を含む有機分子である.タンパク質の構成要素となるアミノ酸はαアミノ酸と呼ばれ,アミノ基とカルボキシル基が同じ炭素原子(α炭素)に結合しており,さらに水素原子と可変的な側鎖(R基)が結合している.これらの分子が連結することでタンパク質が形成され,生物にとって必須の構造単位となっている.
  • Amino acids are organic molecules containing both an amino group (-NH₂) and a carboxyl group (-COOH). The amino acids that serve as building blocks of proteins are alpha (α) amino acids, in which both the amino and carboxyl groups are attached to the same central carbon atom (called the α-carbon), along with a hydrogen atom and a variable side chain (R group). These molecules link together to form proteins and are essential structural units in living organisms.

Definition

Glossary of "The Cell (5th ed.)" by Alberts et al. (2008)

  • Organic molecule containing both an amino group and a carboxyl group. Those that serve as building blocks of proteins are alpha amino acids, having both the amino and carboxyl groups linked to the same carbon atom.

Glossary of "Evolution of Plants (2nd ed.)" by Willis & McElwain (2014)

  • Organic acids from which proteins are built.

Glossary of "Plant Biology (1st ed.)" by Graham et al. (2003)

  • The nitrogen-containing organic acids that can be linked together to form proteins.

Glossary of "Evolution (2nd ed.)" by Zimmer & Emlen (2016)

  • The structural units that, among other functions, link together to form proteins.

Glossary of "Chemistry, A Molecular Approach (3rd ed.)" by Tro (2014)

  • Organic compounds that contain a carbon atom, called the α-carbon, bonded to four different groups: an amine group, an R group, a carboxylic acid group, and a hydrogen atom.

Glossary of "Principles of Biochemistry (3rd ed.)" by Horton et al. (2002)

  • An organic acid consisting of an α-carbon atom to which an amino group, a carboxylate group, a hydrogen atom, and a specific side chain (R group) are attached. Amino acids are the building blocks of proteins.

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