TERMIUM Plus®

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LATERAL CHAIN [1 record]

Record 1 2011-07-05

English

Subject field(s)
  • Biological Sciences
  • Biochemistry
DEF

Grouping of similar atoms (two or more), generally carbons, as in the ethyl radical, (C2H5) that branches off from a straight-chain or cyclic (for example, benzene) molecule.

CONT

The amino acid side-chains extending outward from a polypeptide chain structure may be either hydrophilic or hydrophobic. The most hydrophilic, or water loving, are those with net ionic charges. Nonpolar side-chains tend to cluster together in the interior of protein molecules to avoid exposure to water. The force causing this comes only from the propensity of the surrounding water to resist being forced into ordered structures by the presence of nonpolar groups. The so-called hydrophobic bond is actually an association created by spurned water.

French

Domaine(s)
  • Sciences biologiques
  • Biochimie
DEF

Suite d'atomes fixés sur un noyau ou une chaîne droite.

CONT

Ce sont surtout les propriétés des chaînes latérales qui déterminent la configuration spatiale des protéines. Les interactions entre une chaîne latérale, et, soit une autre chaîne latérale, soit le milieu où se trouve la protéine, peuvent forcer le polypeptide à se replier en un globule compact de forme stable et bien déterminée.

Spanish

Campo(s) temático(s)
  • Ciencias biológicas
  • Bioquímica
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