Basic Concepts, Amino Acids, Proteins Flashcards Preview

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Flashcards in Basic Concepts, Amino Acids, Proteins Deck (88)
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1

Milli-

10__

2

Micro-

10__

3

Nano-

10__

4

M

mol/L

5

%

weight/volume (usually g/dL)

6

Equivalent

available charges of the particular ion

7

Units of activity

Defined in terms of some effect

8

Osmolarity

moles of solute particles in a solution

9

Henderson-Hasselbach

pH= pKa + log ([A_]/[HA])

10

α-amino acids

  • Carboxylic acid with amine group on the α-carbon
  • R-groups change (most are L-amino acids)

11

Non Polar Aliphatic Amino Acids

Glycine, Alanine, Proline, Valine, Leucine, Isoleucine

(GAP, LIV)

12

Glycine

Gly

Non Polar aliphatic

13

Alanine

Ala

Non polar Aliphatic

14

Proline

Pro

Non Polar Aliphatic

15

Valine

Val

Non Polar Aliphatic

Branched Chain

16

Leucine

Leu

Non polar Aliphatic

Branched Chain

17

Isoleucine

Ile

Non polar Aliphatic

Branched chain

most hydrophobic (charges are very balanced)

18

Aromatic Amino Acids

Phenylalanine, Tyrosine, Tryptophan

19

Phenylalanine

Phe

Aromatic

20

Tyrosine

Tyr

Aromatic

21

Tryptophan

Trp

Aromatic

22

Polar, Uncharged Amino Acids

Asparagine, Glutamine, Serine, Threonine

Typically found on the surface

23

Asparagine

Asn

Polar/Uncharged

24

Glutamine

Gln

Polar, uncharged

25

Serine

Ser

Polar, uncharged

26

Threonine

Thr

Polar, uncharged

27

Sulfur-containing Amino Acids

Methionine, Cysteine

28

Methionine

Met

Sulfur-containing

29

Cysteine

Cys

Sulfur-containing, so can form disulfide bonds

Cystine = 2 cysteines bound by disulfide bond

30

Negatively charged Amino Acids

Aspartate, Glutamate

Acidic Amino Acids