Definitions

Question 1

Primary Structure

Answer 1

Linear list of amino acids

Question 2

Arginine

Answer 2

Arg, R, Positively charged side chain

Question 3

Histidine

Answer 3

His, H, Positively charged side chain

Question 4

Lysine

Answer 4

Lys, K, Positively charged side chain

Question 5

Aspartic Acid

Answer 5

Asp, D, Negatively charged side chain

Question 6

Glutamic acid

Answer 6

Glu, E, Negatively charged side chain

Question 7

Serine

Answer 7

Ser, S, Polar uncharged side chain

Question 8

Threonine

Answer 8

Thr, T, Polar uncharged side chain

Question 9

Asparagine

Answer 9

Asn, N, Polar uncharged side chain

Question 10

Glutamine

Answer 10

Gln, Q, Polar uncharged side chain

Question 11

Cysteine

Answer 11

Cys, C, Special Case

Question 12

Selenocysteine

Answer 12

Sec, U, Special Case

Question 13

Glycine

Answer 13

Gly, G, Special Case

Question 14

Proline

Answer 14

Pro, P, Special Case

Question 15

Alanine

Answer 15

Ala, A, hydrophobic side chain

Question 16

Valine

Answer 16

Val, V, hydrophobic side chain

Question 17

Isoleucine

Answer 17

Ile, I, hydrophobic side chain

Question 18

Leucine

Answer 18

Leu, L, hydrophobic side chain

Question 19

Methionine

Answer 19

Met, M, hydrophobic side chain

Question 20

Phenylalanine

Answer 20

Phe, F, hydrophobic side chain

Question 21

Tyrosine

Answer 21

Tyr, Y, hydrophobic side chain

Question 22

Tryptophan

Answer 22

Trp, W, hydrophobic side chain

Question 23

Secondary structure

Answer 23

regular backbone conformations that satisfy hydrogen bonding potential of polypeptide backbone

Question 24

Tertiary structure

Answer 24

A proteins overall 3D shape

Question 25

Allostery

Answer 25

binding at one site affects binding at another site

Question 26

Keratin types

Answer 26

Alpha - hair, nails Beta - scales, tortoise shells

Question 27

Role of vimentin

Answer 27

anchors organelles in cytoskeleton - attached to nucleus, ER and mitochondria