Starred notes

Question 1

Lysine and arginine are X after deprotonation

Answer 1

Neutral

Question 2

Cysteine is X after deprotonation

Answer 2

Negative

Question 3

Where alpha helices bind

Answer 3

The backbone N-H of the nth residue
H-bonds with the backbone C=O of the
X residue.

Question 4

Chemical and material proteins we can use to purify proteins- why do these work?

Answer 4

Hydrophobicity, molecular weight, net charge. Usually pretty unique to proteins

Question 5

Which AAs are hydrophobic

Answer 5

“Grandma Always Visits London In May For Winston’s Party”

Question 6

If pH is < pI, protein is X charged

Answer 6

+

Question 7

If pH is > pI, protein is X charged

Answer 7

negatively

Question 8

CON- the C is-

Answer 8

electron deficient because of resonance. Wants to bind!

Question 9

CONH has a half life of

Answer 9

1200 YEARS

Question 10

aspartic acid and glutamate are X after being deprotonated

Answer 10

negative

Question 11

tyrosine is X after being deprotonated

Answer 11

negative