Proteins and Protein Structure

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Last updated 7:21 PM on 8/10/22
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14 Terms

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Chemical
________ and physical interactions cause protein folding.
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Chaperones
________: protein molecules that assist the proper folding of other proteins.
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Shape
________ is specific and important to function.
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protein chains
The ________ are held together by intermolecular hydrogen bonding.
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Protein
________ can be formed from several copies of the same polypeptide.
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Amino acids
________: the building blocks of proteins.
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Amino acids
the building blocks of proteins
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Or may be multimeric
composed from different polypeptides
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Chaperones
protein molecules that assist the proper folding of other proteins
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Proteins are composed of
carbon, hydrogen, oxygen, nitrogen, and small amounts of other elements, notably sulfur
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Secondary structure
α helices and β pleated sheets
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Tertiary structure
Folding gives protein a complex 3D shape
This is the final level of structure for a single polypeptide chain
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Quaternary structure
Made up of two or more polypeptides
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Chaperone Functions
Folding and refolding

Preservation of the unfolded state

Facilitation to transport

Block to aggregation

Disaggregation

Degradation

Assembly/disassembly of oligomeric complexes

Facilitation of signaling processes