CC PROTEINS Flashcards

(85 cards)

1
Q

proteins comes from greek word proteios, which means?

A

of first importance

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2
Q

these macromolecules are polymers of covalently linked amino acids through peptide bonds. these group of molecules are synthesized by hepatocytes

A

PROTEINS

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3
Q

only proteins not synthesized by the liver

A

immunoglobulins
VWF
factor III

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4
Q

only produced by the plasma cells (russell bodies)

A

immunoglobulins

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5
Q

which can be produced by endothelial cells (weilbel-palade bodies)

A

VWF

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6
Q

which are produced by tissue in general

A

factor III

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7
Q

regulate balance between anabolism and catabolism

A

nitrogen balance

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8
Q

simplest form of protein

A

primary structure

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9
Q

linear sequence of AA connected by peptide bonds.
-responsible for protein identity
-responsible for protein net electric charge

A

primary structure

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10
Q

bend form of proteins

A

secondary structure

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11
Q

3-dimensional conformation
- groups of AA binding in such a manner that alpha-helix and B-pleated sheets are formed through winding of polypeptide chains but not yet linked

A

secondary structure

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12
Q

folding patter of protein structure

A

tertiary structure

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13
Q

actual 3-D configuration
- responsible for protein FUNCTION physical and chemical properties

A

TERTIARY STRUCTURE

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14
Q

only protein with no quaternary structure

A

albumin

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15
Q

larger protein complex w/ precise 3D conformation

A

quaternary structure

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16
Q

unaffected by denaturation (regulated by strong covalent peptide bonds)

A

primary structure

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17
Q

affected by denaturation (no linage, only winding of alpha & beta units)

A

secondary structure

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18
Q

first to be affected by denaturation

A

tertiary structure

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19
Q

affected by denaturation (regulated by hydrogen, electrostatic interactions)

A

quaternary structure

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20
Q

forms of proteins are affected by the positioning of its epitopes and is easily changed by denaturation

A

conformational
proteins

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21
Q

are not affected by neither of the positioning of the epitopes nor denaturation.

A

non-conformational proteins

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22
Q

only contains AA linked by peptide chains and only yield AA acids upon hydrolysis acc to shape

A

simple proteins

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23
Q

elongated insoluble and less denatured

A

fibrous proteins

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24
Q

spherical, soluble, and more easily denatured

A

globular proteins

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25
vertical proteins -regulate biomolecule diffusion
transmembrane proteins
26
horizontal proteins - integrity of membrane
cytoskeleton proteins
27
combinations of AA + non-protein prosthetic group like carbs and lipids
conjugated proteins
28
only one peptide chain ex: cysteine
monomeric
29
2 or more peptide chain ex: glutathione
multimeric
30
building blocks of proteins
AA
31
acidic/basic
ampholite
32
ability to react to acids and basis
amphoteric
33
(-) / (+) net charge
zwitterion
34
AA acid that are not naturally synthesized by the body, thus need to be supplied dietarily
essential AA
35
AA for children
10
36
AA for adults
9
37
essential for children, not for adults
arginine
38
what are the essential AAs
tryptophan phenylalanine histidine isoleucine leucine lysine arginine methionine threonine valine
39
fastest and most abundant serum protein
albumin
40
2nd fastest serum proteins
A1- globulin
41
pre-beta globulin serum protein
A2- globulin
42
slowest and 2nd most abundant serum protein
G-globulin
43
most important use of SPE is to detect?
monoclonal gammopathy
44
multiple myeloma
gamma spike
45
hepatic cirrhosis
beta gamma bridging
46
nephrotic syndrome
alpha 2 spike
47
juvenile cirrhosis
alpha 1 flat
48
condition which there is a decreased albumin levels, but normal globulin levels
hypoalbuminemia
49
can cause all levels of proteins to be elevated due to relative decrease of fluid solvent
dehydration
50
can cause all levels of proteins to be elevated except the negative phase reactant (NPRs)
inflammation
51
is one way the body uses to protect itself from invasion by foreign organisms and to repair wound to tx
inflammation
52
RUBUR
redness
53
CALOR
heat
54
DOLOR
pain
55
TUMOR
swelling
56
FUNCTIO LAESA
loss of function
57
proteins that decrease during inflammation -also used as markers for inflammation
NPRs (negative phase reactants)
58
proteins produced by the hepatocytes, increase 25% during inflammation
APRs
59
average response time for APRs
12-24 hrs
60
give example of NPRs
pre-albumin ALBUMIN transferrin
61
opsonization and complement activation
C-reactive proteins
62
binds copper and oxidizes iron
ceruloplasmin
63
activate monocytes and macrophages
serum amyloid A
64
aka Transthyretin - migrates ahead of albumin, rich in Tryptophan
PREALBUMIN
65
general transport protein
albumin
66
the most abundant plasma protein - lowest levels are seen in nephrotic syndrome
albumin
67
albumin transports what?
hormones vitamins electrolytes drugs
68
conversion factor for albumin
10
69
conversion factor for prealbumin
10
70
measured by subtracting albumin from total protein
globulins
71
90% of alpha-1 globulin band (major component) - major inhibitor of proteases (prevent self digestion)
alpha-1 antitrypsin
72
aka orosomucoid -greatest affinity to progesterone binds to cardioactive drugs
alpha-1 acid glycoprotein
73
alpha-1 acid glycoprotein remains negatively charged even in acidic solution, at what pH?
2.7 pH
74
most abundant protein in fetal serum
alpha-fetoprotein (AFP)
75
reference value for HEPATIC CARCINOMA
> 1000 ng/mL
76
aka alpha-1 x - serine protease w/ cathepsin G -secreted by liver only -increased in Alzheimer's disease
alpha-1 antichymotrypsin
77
largest non-ig protein -ONLY PROTEIN THAT INCREASES (10X) DURING NEPHROTIC SYNDROME
Alpha-2 macroglobulin
78
binds free hgb in its alpha chain - evaluate IVH and RHD
haptoglobin
79
ONLY PLASMA PROTEIN WITH ENZYMATIC ACTIVITY -marker of wilson's disease
CERULOPLASMIN
80
excess copper deposits in the skin eyes and the brain but decrease in plasma levels
wilson's disease
81
defective copper absorption causing decreased levels in the serum and liver
menkes kinky hair syndrome
82
major component of HLA (MHC CLASS 1) - COMMON CAUSE OF DIALYSIS ASSOCIATED AMYLOIDOSIS
HEMOPEXIN
83
AKA siderophilin - 90% of beta-2 globulin band
transferrin
84
most potent APR - bind to C-polysaccharide of pneumococci -general scavenger molecule
C-reactive protein
85
synthesized by plasma cells - only plasma protein not produced by the liver
immunoglobulins