Protein Folding Flashcards

1
Q

A process where a nascent protein becomes native

A

Protein folding

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2
Q

Process by which a protein achieves its native 3d structure

A

protein folding

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3
Q

Protein folding is a ________ ____________ process, which means it’s a non random

A

Highly regulated

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4
Q

Nascent is also known as _______________ protein

A

Non-functional

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5
Q

Native is also known as a ___________ protein

A

Functional

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6
Q

The process of maintaining or the continuous maintenance of protein synthesis and folding

A

Proteostasis

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7
Q

three categories of proteostasis

A

Protein synthesis
protein folding
degradation

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8
Q

part of the cell that synthesize protein

A

Ribosomes

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9
Q

To regulate well the folding process in the proteins there are specialized proteins that assist in protein folding which are called

A

Chaperones

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10
Q

If agregates aren’t managed well it will cause

A

Disease

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11
Q

The more proteins are being produced the greater the rate of

A

Folding

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12
Q

Synthesis of nascent polypeptide would serve as determinant if protein would be _________ or _______

A

beneficial or toxic

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13
Q

information needed for correct protein folding is contained in the

A

primary structure

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14
Q

A peptide bond, which is non rotational, is categorized the amino acid sequence

A

primary structure

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15
Q

Factors that facilitate folding and refolding

A

Native conformation of a protein is thermodynamically favored

folding is modular

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16
Q

Protein folding occurs in an orderly and guided fashion

A
17
Q

It is modular or step by step

A

Folding

18
Q

the exterior part of the protein being produced has a __________ residue which means is ______________

A

polar
hydrophilic

19
Q

Inside a folded polypeptide they have ___ _______ residue which means they are ___________

A

Non polar
hydrophobic

20
Q

Auxiliary proteins of assist protein folding

A

Chaperone proteins
protein disulfide isomerase proline cis, trans- isomerase

21
Q

Assistant proteins while proteins are being folded

A

chaperones

22
Q

Specialized groups of proteins required for proper folding many species of proteins

A

Chaperones

23
Q

Chaperones also known as

A

Polypeptide chain binding protein (PCB)

24
Q

hastens to reactions in protein folding

A

chaperones

25
Q

Chaperones are martir they only provide assist but do not form part of the final structure

A
26
Q

Chaperones are first identified as

A

Heat shock protein hsp

27
Q

If there is an increase temperature the chaperones concentration

A

Increases

28
Q

chaperones act through

A

Atp mechanism

29
Q

Types of chaperones

A

Hsp70
chaperonins
hsp60

30
Q

Hsp70 occurs in

A

Cytoplasm er chloroplast and mitochondria

31
Q

Binds two regions of unfolded polypeptides which in hydrophobic residue and they block folding of proteins that should be remain of folded

A

Hsp70

32
Q

Hsp70 facilitates quaternary reassemble of

A

Oligomeric proteins