biochem exam 1 nucleotides and AAs

7 nonpolar aliphatic AAs

1. glycine

2. alanine

3. proline

4. valine

5. leucine

6. isoleucine

7. methionine

What is the only imino acid?

Proline

3 aromatic AAs

1. phenylalanine

2. tyrosine

3. tryptophan

6 ionizable amino acids and what charges do they take up

Lysine +1 prot

Histidine +1

Arginine +1

Cysteine -1

Tyrosine -1 deprot

Glutamate -1

Aspartate -1

5 polar uncharged AAs

1. serine

2. threonine

3. cysteine

4. asparagine

5. glutamine

3 positively charged AAs

1. lysine

2. arginine

3. histidine

2 negatively charged AAs

1. aspartate

2. glutamate

Glycine, Gly, G

nonpolar, aliphatic

Alanine, Ala, A

nonpolar, aliphatic

Proline, Pro, P

nonpolar, aliphatic

Valine, Val, V

(nonpolar, aliphatic)

Leucine, Leu, L

nonpolar, aliphatic

Isoleucine, Ile, I

nonpolar, aliphatic

Methionine, Met, M

nonpolar, aliphatic

Phenylalanine, Phe, F

aromatic

Tyrosine, Tyr, Y

aromatic

Tryptophan, Trp, W

aromatic

Serine, Ser, S

polar, uncharged

Threonine, Thr, T

polar uncharged

Cysteine, Cys, C

Polar, uncharged

Asparagine, Asn, n

Polar, Uncharged

Glutamine, Gln, Q

Polar, uncharged

Lysine, Lys, K

positively charged

Arginine, Arg, R

positively charged

Histidine, His, H

Positively Charged

Aspartate, Asp, D

negatively charged

Glutamate, Glu, E

negatively charged

Ribose

Deoxyribose

Adenine

Guanine

Cytosine

Thymine (DNA)

Uracil (RNA)

naming the 2 nucleic acids

1. nucleoside

a. no p

b. base + "-ine", like adenosine or guanosine

2. nucleotide:

a. p

b. deoxy + base + "-ylate", like deoxyadenylate or deoxyguanylate

purine/pyrimidine base structure and numbering? where is the attachment point?

Base pair H bonding b/t AT and CG

draw 5-AG-3

3-TC-5

name the tides and sides

name the tides and sides