protein structure and sickle cell anemia Flashcards

1
Q

Tags proteins to be destroyed

A

Ubiquaitan

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2
Q

Results in sigmoid shape

A

cooperation binding

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3
Q

Process made more likely by exercise/high alt/ dehydration

A

polymerization

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4
Q

2 beta and 2 alpha chains

A

HbA

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5
Q

2 gamma and 2 alpha chains

A

HbF

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6
Q

Valine at pos 6

A

HbS (Sickle Cell Anemia)

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7
Q

8 R alpha helix, single heme group

A

myoglobin

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8
Q

2 alpha, 2 beta tetrahemic heme

A

hemoglobin

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9
Q

The form amyloid fibers

A

PrPsc

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10
Q

Defense Proteins

A

antibodies, snake venom, MHC proteins

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11
Q

Catalysts proteins

A

preotease, polumerase, kinases

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12
Q

Transport proteins

A

hemoglobin, myoglobin, cytochromes

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13
Q

Support Protein

A

Collagen, Keratin, Fibrin

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14
Q

Bonds between amino acids that generate primary sequence

A

Peptide bonds

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15
Q

Mostly alpha helices and beta sheets

A

Secondary

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16
Q

Compound heterozygous sickle cell disease

A

HbSC

17
Q

Altered ratio of alpha/beta globin

A

Thalassemias

18
Q

Sickle Cell Trait

A

HbSA

19
Q

2 alpha, 2 beta, S

A

HbSS - sickle cell diseae

20
Q

Point mutation converts this amino a. to valine at pos 6

A

Glutamate

21
Q

Build up of amyloid fibers cause this

A

prion disease

22
Q

Aspartate, Glutamate, Argine, Lysine, Histidine

A

Polar Charged AA

23
Q

Asparagine, Gltamine, Serine, Threonine

A

Polar uncharged AA

24
Q

Glycine, Alanine, Proline, Valine, Leucine, Isoleucine

A

Non-polar alphatic

25
Q

Phenylalanine, Tyrosine Tryptophan

A

Aromatic amino a.

26
Q

Methionine, Cysteine

A

Sulfur containing amino a.

27
Q

Transports O2 to mitochonidria

A

Myoglobin

29
Q

Soluble proteins must be coated in this type of amino a.

A

Polar

30
Q

Causes of denaturing

A

oxidative damage, pH change, temp. change

31
Q

carbohydrate addition modification

A

O or N - glycosylation

32
Q

Lipid addition modification

A

palmitoy, myristoy, prenylation

33
Q

prevent the aggregation of misfolded proteins

A

chaperone proteins

34
Q

Regulation modification

A

Phospory, acetylation

35
Q

mutations of protein alter

A

function, targeting, modifications, degradation, or have no effect

36
Q

glycosolation of hemeglobin causes this

A

diabetes

37
Q

Transports 02 from lungs to tissues

A

Hemeglobin