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bchm 310 > lecture 2 - amino acids > Flashcards

lecture 2 - amino acids Flashcards

1
Q

glycine (3 letter)

A

gly

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2
Q

glycine (1 letter)

A

G

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3
Q

gly

A

glycine

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4
Q

G

A

glycine

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5
Q

alanine (3 letter)

A

ala

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6
Q

alanine (1 letter)

A

A

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7
Q

ala

A

alanine

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8
Q

A

A

alanine

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9
Q

proline (3 letter)

A

pro

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10
Q

proline (1 letter)

A

P

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11
Q

pro

A

proline

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12
Q

P

A

proline

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13
Q

valine (3 letter)

A

val

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14
Q

valine (1 letter)

A

V

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15
Q

val

A

valine

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16
Q

V

A

valine

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17
Q

leucine (3 letter)

A

leu

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18
Q

leucine (1 letter)

A

L

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19
Q

leu

A

leucine

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20
Q

L

A

leucine

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21
Q

isoleucine (3 letter)

A

ile

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22
Q

isoleucine (1 letter)

A

I

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23
Q

ile

A

isoleucine

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24
Q

I

A

isoleucine

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25
Q

methionine (3 letter)

A

met

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26
Q

methionine (1 letter)

A

M

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27
Q

met

A

methionine

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28
Q

M

A

methionine

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29
Q

phenylalanine (3 letter)

A

phe

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30
Q

phenylalanine (1 letter)

A

F

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31
Q

phe

A

phenylalanine

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32
Q

F

A

phenylalanine

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33
Q

tyrosine (3 letter)

A

tyr

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34
Q

tyrosine (1 letter)

A

Y

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35
Q

tyr

A

tyrosine

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36
Q

Y

A

tyrosine

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37
Q

tryptophan (3 letter)

A

trp

38
Q

tryptophan (1 letter)

A

W

39
Q

trp

A

tryptophan

40
Q

W

A

tryptophan

41
Q

serine (3 letter)

A

ser

42
Q

serine (1 letter)

A

S

43
Q

ser

A

serine

44
Q

S

A

serine

45
Q

threonine (3 letter)

A

thr

46
Q

theronine (1 letter)

A

T

47
Q

thr

A

theronine

48
Q

T

A

theronine

49
Q

cystine (3 letter)

A

cys

50
Q

cystine (1 letter)

A

C

51
Q

Cys

A

cystine

52
Q

C

A

cystine

53
Q

asparagine (3 letter)

A

asn

54
Q

asparagine (1 letter)

A

N

55
Q

asn

A

asparagine

56
Q

N

A

asparagine

57
Q

glutamine (3 letter)

A

gln

58
Q

glutamine (1 letter)

A

Q

59
Q

gln

A

glutamine

60
Q

Q

A

glutamine

61
Q

lysine (3 letter)

A

lys

62
Q

lysine (1 letter)

A

K

63
Q

lys

A

lysine

64
Q

K

A

lysine

65
Q

histidine (3 letter)

A

his

66
Q

histidine (1 letter)

A

H

67
Q

his

A

histidine

68
Q

H

A

histidine

69
Q

arginine (3 letter)

A

arg

70
Q

arginine (1 letter)

A

R

71
Q

arg

A

arginine

72
Q

R

A

arginine

73
Q

asparate (3 letter)

A

asp

74
Q

asparate (1 letter)

A

D

75
Q

asp

A

asparate

76
Q

D

A

asparate

77
Q

glutamate (3 letter)

A

glu

78
Q

glutamate (1 letter)

A

E

79
Q

glu

A

glutamate

80
Q

E

A

glutamate

81
Q

non-polar, aliphatic

A

glycine, alanine, proline, valine, leucine, isoleucine, methionine
-glycine =predominantly in zwitterion (nh3 = +, coo = -)

82
Q

polar, uncharged

A

serine, threonine, cystine, asparagine, glutamine

-can form Hbonds, both donors and acceptors

83
Q

aromatic

A

phenylalanine, tyrosine, tryptophan

-tyr and trp have some hbonding ability

84
Q

positively charged

A

lysine, arginine, histidine

  • lys & arg = predominantly positively charged
  • his can be pos or neutral (pkr=6), at ph=7 = 9% pos (protonated) and 91% neutral (deprotonated)
85
Q

negatively charged

A

asparate, glutamate

-both predominantly negatively charged

86
Q

isoelectric point:

A

pH where net charge = 0

87
Q

pH < pI

A

positive charge bc excess protons in solution

88
Q

pH > pI

A

negative charge because protonated

89
Q

pH = pI

A

neutral

90
Q

at pH = pKa

A

equal amounts of protonated and deprotonated

91
Q

at pH = pKa + 1

A

91% deprotonated

92
Q

at pH = pKa - 1

A

91% protonated

bchm 310 (41 decks)

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