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Protein Structure

Quaternary Structure: The structure formed when two or more polypeptide chains join together, sometimes with an inorganic component, to form a protein.

This figure displays different conformations of protein structure. The primary structure is composed of amino acids joined by peptide bonds. Secondary structure is coiled/folded and help together by hydrogen bonds. Common secondary structures are alpha and beta plated sheets. Tertiary structures are characterized by folding and coiling due to interactions among R groups. Finally, the quaternary structure is the association of two or more polypeptide chains by noncovalent forces.

This figure displays different conformations of protein structure. The primary structure is composed of amino acids joined by peptide bonds. Secondary structure is coiled/folded and help together by hydrogen bonds. Common secondary structures are alpha and beta plated sheets. Tertiary structures are characterized by folding and coiling due to interactions among R groups. Finally, the quaternary structure is the association of two or more polypeptide chains by noncovalent forces.

A protein domain is a conserved part of a given protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three-dimensional structure and often can be independently stable and folded. Many proteins consist of several structural domains. One domain may appear in a variety of different proteins.

A protein domain is a conserved part of a given protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three-dimensional structure and often can be independently stable and folded. Many proteins consist of several structural domains. One domain may appear in a variety of different proteins.

Personalized medicine. Predictive medicine. Targeted medicine. These are just some of the descriptors being applied to “genomic medicine,” a field of medical research generating much fanfare and hope for the future.

Personalized medicine. Predictive medicine. Targeted medicine. These are just some of the descriptors being applied to “genomic medicine,” a field of medical research generating much fanfare and hope for the future.

A protein domain is a conserved part of a given protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three-dimensional structure and often can be independently stable and folded. Many proteins consist of several structural domains. One domain may appear in a variety of different proteins.

A protein domain is a conserved part of a given protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three-dimensional structure and often can be independently stable and folded. Many proteins consist of several structural domains. One domain may appear in a variety of different proteins.