Protein Structure

Different structures of proteins

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  • Created by: Lauzipop
  • Created on: 18-09-13 14:07
Primary Structure
The specific sequence of amino acids joined by peptide bonds to form a polypeptide
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Secondary Structure
The backbone of the protein and the conformational shape it takes when the non-R groups of the amino acid react and bond with one another
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Alpha Helix
These bonds make the alpha helix a strong and stable structure that acts as a solid, rod-like cylinder, providing mechanical support to the protein.
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Beta Pleated Sheet
Formed when the carboxyl and amine groups of the polypeptide backbone form hydrogen bonds with one another
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Tertiary Structure
The 3D structure that a protein takes when the secondary structures of polypeptides interact and fold in on themselves. This structure is held together by numerous bond types.
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Quaternary Structure
The most complex conformation a protein can take. Not all proteins have this level of structure, however, when two or more polypeptide chains come into close contact, they bond together to form a quaternary protein structure.
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Polypeptides
Amino acids can join together to form larger molecules called polypeptides. Polypeptides are long chains of amino acids covalently linked to one another by peptide bonds.
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Other cards in this set

Card 2

Front

The backbone of the protein and the conformational shape it takes when the non-R groups of the amino acid react and bond with one another

Back

Secondary Structure

Card 3

Front

These bonds make the alpha helix a strong and stable structure that acts as a solid, rod-like cylinder, providing mechanical support to the protein.

Back

Preview of the back of card 3

Card 4

Front

Formed when the carboxyl and amine groups of the polypeptide backbone form hydrogen bonds with one another

Back

Preview of the back of card 4

Card 5

Front

The 3D structure that a protein takes when the secondary structures of polypeptides interact and fold in on themselves. This structure is held together by numerous bond types.

Back

Preview of the back of card 5
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