Protein, Amino Acid Stuff

Question 1

What three 4 amino acids have abbreviations other than 1st 3 letters?

Answer 1

isoleucine (ile)
Tryptophan (Trp)
Asparginine (Asn)
Glutamine (Gln)

Question 2

Non polar residues

Answer 2

Gly, Ala, Pro, Val, Leu, Ile

Question 3

Aromatic Amino Acids

Answer 3

Phe, Tyr, Trp

Question 4

Uncharged Polar Amino Acids

Answer 4

Asn, Gln, Ser, Thr

Question 5

Sulfur Containing

Answer 5

Met, Cys

Question 6

Charged Negative

Answer 6

Asp, Glu

Question 7

Charged Positive

Answer 7

Arg, Lys, His

Question 8

Pka of His

Answer 8

6

Question 9

dissolved CO2 determined by

Answer 9

[CO2] diss = 0.03 * Paco2

Question 10

If residues such as Ile, Val, Leu, and Phe are found on the exterior of an alpha helix, what can you assume about its cellular placement?

Answer 10

It is found in the exterior of the cell

Question 11

If in a beta sheet the primary sequence of amino acids alternates between hydrophobic and hyrdophilic what can be assumed?

Answer 11

That the protein is amphipathic

Question 12

Beta turns consist of ________ residues.

Answer 12

4

Question 13

What is the driving interaction of protein folding?

Answer 13

hydrophobic interactions

Question 14

What amino acids can be phosphorylated on their OH group?

Answer 14

Ser, Thr, Tyr

Question 15

Oligomer

Answer 15

multiunit protein with identical subunits