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

17
Q

Altered ratio of alpha/beta globin

A

Thalassemias

18
Q

Sickle Cell Trait

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

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
Phenylalanine, Tyrosine Tryptophan
Aromatic amino a.
26
Methionine, Cysteine
Sulfur containing amino a.
27
Transports O2 to mitochonidria
Myoglobin
29
Soluble proteins must be coated in this type of amino a.
Polar
30
Causes of denaturing
oxidative damage, pH change, temp. change
31
carbohydrate addition modification
O or N - glycosylation
32
Lipid addition modification
palmitoy, myristoy, prenylation
33
prevent the aggregation of misfolded proteins
chaperone proteins
34
Regulation modification
Phospory, acetylation
35
mutations of protein alter
function, targeting, modifications, degradation, or have no effect
36
glycosolation of hemeglobin causes this
diabetes
37
Transports 02 from lungs to tissues
Hemeglobin