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Side chain



 
 
A side chain in organic chemistry
Organic chemistry

Organic chemistry is a discipline within chemistry which involves the science study of the structure, properties, composition, chemical reaction, and preparation of chemical compounds that contain carbon....
 and biochemistry
Biochemistry

Biochemistry is the study of the chemistry processes in living organisms. It deals with the structure and function of cellular components such as proteins, carbohydrates, lipids, nucleic acids and other biomolecules....
 is a part of a molecule
Molecule

In chemistry, a molecule is defined as a sufficiently stable, electric charge neutral group of at least two atoms in a definite arrangement held together by very strong chemical bonds....
 that is attached to a core structure. The placeholder R is often used as a generic placeholder for side chains, the R historically being derived from radical
Radical

Radical may refer to:in science* In chemistry, a Radical is an atom, molecule, or ion which is likely to take part in chemical reactions.*The symbol v used to indicate the square root or nth root...
 or rest
Rest

Rest may refer to:* Rest, in English may mean: leisure, human relaxation, or sleep; see the...
. In polymers the side chains extend from a backbone structure. In protein
Protein

Proteins are organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid Residue ....
s (composed of amino acid
Amino acid

In chemistry, an amino acid is a molecule containing both amine and carboxyl functional groups. These molecules are particularly important in biochemistry, where this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where R is an organic substituent....
s) the side chains are attached to the alpha-carbon atoms of the amide backbone.








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Encyclopedia


A side chain in organic chemistry
Organic chemistry

Organic chemistry is a discipline within chemistry which involves the science study of the structure, properties, composition, chemical reaction, and preparation of chemical compounds that contain carbon....
 and biochemistry
Biochemistry

Biochemistry is the study of the chemistry processes in living organisms. It deals with the structure and function of cellular components such as proteins, carbohydrates, lipids, nucleic acids and other biomolecules....
 is a part of a molecule
Molecule

In chemistry, a molecule is defined as a sufficiently stable, electric charge neutral group of at least two atoms in a definite arrangement held together by very strong chemical bonds....
 that is attached to a core structure. The placeholder R is often used as a generic placeholder for side chains, the R historically being derived from radical
Radical

Radical may refer to:in science* In chemistry, a Radical is an atom, molecule, or ion which is likely to take part in chemical reactions.*The symbol v used to indicate the square root or nth root...
 or rest
Rest

Rest may refer to:* Rest, in English may mean: leisure, human relaxation, or sleep; see the...
. In polymers the side chains extend from a backbone structure. In protein
Protein

Proteins are organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid Residue ....
s (composed of amino acid
Amino acid

In chemistry, an amino acid is a molecule containing both amine and carboxyl functional groups. These molecules are particularly important in biochemistry, where this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where R is an organic substituent....
s) the side chains are attached to the alpha-carbon atoms of the amide backbone.

See also


  • Functional group
    Functional group

    In organic chemistry, functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules....