Big dude Flashcards

1
Q

What are amyloids

A

Highly organized folded state of protein that can be formed from virtually any polypeptide. They are of considerable significance to human and animal health
Represent a common form of misfolded proteins that give rise to amyloid diseases

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2
Q

Why are amyloids highly stable

A

Main-chain stabilizing interactions
Side chain stabilizing interactions

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3
Q

How do cavities affect amyloids

A

Fibrils seek to optimize van der Waals contacts avoiding internal cavities

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4
Q

How does charge repulsion affect Amyloids

A

Electrostatic repulsion between and within charged ladders destabilize fibrils

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5
Q

How does steric clash affect amyloids

A

Steric clashes weaken the structure and delay fibril growht

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6
Q

Functional amyloids vs artificial amyloid vs pathological amyloid

A
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7
Q

Key difference between functional and pathological amyloids

A

Stability

Pathological amyloids are remarkable stable and resistant to degradation

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8
Q

What is a proteinopathy

A

Protein misfolding disease

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9
Q
A
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