Amino Acids Flashcards Preview

Biochem 200 > Amino Acids > Flashcards

Flashcards in Amino Acids Deck (53):
1

List the hydrophobic amino acids.

Alanine, valine, phenylalanine, tryptophan, leucine, isoleucine, methionine and proline.

2

List the polar amino acids

Serine, threonine, tyrosine, cysteine, asparganine, glutamine, histidine and glycine.

3

List the charged amino acids.

Aspartate, glutamate, lysine and arginine.

4

Ala

alanine

5

Val

valine

6

Phe

phenylalanine

7

Trp

tryptophan

8

Leu

leucine

9

Ile

isoleucine

10

Met

methionine

11

Pro

proline

12

Ser

serine

13

Thr

threonine

14

Tyr

tyrosine

15

Cys

cysteine

16

Asn

asparganine

17

Gln

glutamine

18

His

histidine

19

Gly

glycine

20

Asp

aspartate

21

Glu

glutamate

22

Lys

lysine

23

Arg

arginine

24

Which 3 polar amino acids are ionizable (have pKa's)?

Tyrosine, cysteine and histidine

25

What is the pKa of tyrosine (Tyr) R group?

10.5

26

What is the pKa of cysteine (Cys) R group?

8.5

27

What is the pKa of histidine (His) R group?

6.0

28

What is the pKa of aspartate (Asp) R group?

4.0

29

What is the pKa of glutamate (Glu) R group?

4.0

30

What is the pKa of lysine (Lys) R group?

10.5

31

What is the pKa of arginine (Arg) R group?

12.5

32

Alanine (Ala)

33

Valine (Val)

34

Leucine (Leu)

35

Isoleucine (Ile)

36

Phenylalanine (Phe)

37

Tryptophan (Trp)

38

Methionine (Met)

39

Proline (pro)

40

Glycine (Gly)

41

Serine (Ser)

42

Threonine (Thr)

43

Tyrosine (Tyr)

44

Cysteine (Cys)

45

Asparagine (Asn)

46

Glutamine (Gln)

47

Histidine (His)

48

Aspartate (Asp)

49

Glutamate (Glu)

50

Lysine (Lys)

51

Arginine (Arg)

52

Which amino acid can act as an acid or base around neutral pH?

Histidine 

53

Which amino acid is important in many enzyme catalyzed reactions?

Histidine