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Biochemistry > Amino acids > Flashcards

Amino acids Flashcards

1
Q

Draw the structure of Glycine

A

Alpha carbon with amino group, carboxylic acid group, and TWO hydrogens.

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2
Q

Draw the structure of Alanine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and a methyl R group.

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3
Q

Draw the structure of Valine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and isopropyl R group.

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4
Q

Draw the structure of Leucine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and isobutyl R group.

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5
Q

Draw the structure of Isoleucine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and sec-butyl R group.

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6
Q

Draw the structure of Methionine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and CH2-CH2-S-CH3 R group.

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7
Q

Draw the structure of Proline

A

Alpha carbon with carboxylic acid group, hydrogen and a 3 carbon chain forming a five-membered ring with nitrogen (NH2+ attached to alpha carbon and the third carbon in “R-group”)

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8
Q

Draw the structure of Phenylalanine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and a benzyl (CH2-phenyl) R group.

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9
Q

Draw the structure of Tryptophan

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and an indole ring joined to a methylene (-CH2-) group. It is joined to the indole ring at the first carbon of the five-membered ring.

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10
Q

Draw the structure of Serine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and CH2-OH R group.

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11
Q

Draw the structure of Threonine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and CH(CH3)OH R group.

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12
Q

Draw the sturcture of Tyrosine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -CH2- attached to p-Toluene R group.

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13
Q

Draw the structure of Cysteine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -CH2-SH R group.

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14
Q

Draw the structure of Asparagine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and CH2-(C=O)-NH2 (-CH2- carboxamide)

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15
Q

Draw the structure of Glutamine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -CH2CH2-(C=O)-NH2 (-CH2CH2- carboxamide)

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16
Q

Draw the structure of Lysine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -(CH2)4-NH3+ R group.

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17
Q

Draw the structure of Arginine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -(CH2)3-NH-C(NH2)2+ (3 carbons topped by Guanidinium group). It is attached to the guanidinium group by one of the Nitrogens (one of the hydrogens is substituted).

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18
Q

Draw the structure of Histidine

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -CH2-Imidazole. It is joined to the imidazole ring at the carbon adjacent to sp2 nitrogen that is not also adjacent to sp3 nitrogen.

19
Q

Draw the structure of Aspartate

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -CH2-COO (deprotonated carboxylic acid)

20
Q

Draw the structure of Glutamate

A

Alpha carbon with amino group, carboxylic acid group, hydrogen and -CH2-CH2-COO (deprotonated carboxylic acid group)

21
Q

Draw an Indole ring

A

Benzene with C=C-NH tethered between two double-bonded carbons.

22
Q

Draw an Imidazole ring

A

Five-membered ring containing one Sp3 nitrogen and one Sp2 nitrogen separated by an Sp2 carbon. Other atoms are Sp2 carbons.

23
Q

Draw the Guanidinium group

A

Carbon with three NH2 groups.

24
Q

What is the 3-letter abbreviation of Glycine?

A

Gly

25
Q

What is the 3-letter abbreviation of Alanine?

A

Ala

26
Q

What is the 3-letter abbreviation of Valine?

A

Val

27
Q

What is the 3-letter abbreviation of Leucine?

A

Leu

28
Q

What is the 3-letter abbreviation of Isoleucine?

A

Ile

29
Q

What is the 3-letter abbreviation of Methionine?

A

Met

30
Q

What is the 3-letter abbreviation of Proline?

A

Pro

31
Q

What is the 3-letter abbreviation of Phenylalanine

A

Phe

32
Q

What is the 3-letter abbreviation of Tryptophan

A

Trp

33
Q

What is the 3-letter abbreviation of Serine

A

Ser

34
Q

What is the 3-letter abbreviation of Threonine

A

Thr

35
Q

What is the 3-letter abbreviation of Tyrosine

A

Tyr

36
Q

What is the 3-letter abbreviation of Cysteine

A

Cys

37
Q

What is the 3-letter abbreviation of Asparagine

A

Asn

38
Q

What is the 3-letter abbreviation of Glutamine

A

Gln

39
Q

What is the 3-letter abbreviation of Lysine

A

Lys

40
Q

What is the 3-letter abbreviation of Arginine

A

Arg

41
Q

What is the 3-letter abbreviation of Histidine

A

His

42
Q

What is the 3-letter abbreviation of Aspartate

A

Asp

43
Q

What is the 3-letter abbreviation of Glutamate

A

Glu

Biochemistry (7 decks)

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